Level Indicator

Product Details:

The very affordable Series WD2 detects leaking conductive fluids and alarms to prevent the leak from creating costly damage. The WD2 relies on the electrical conductivity of water to change the resistance across the two contacts located at the base of the enclosure. Model WD2-BP2 is battery powered, provides audible alarm, LED visual alarm, and a SSR output. Also featured is a low battery warning. WD2-LP units are line powered and include a green power indication LED.

Mounting bracket A-154 is perfect for use in leak pans where it is desired to raise the sensing level above the bottom of the pan to eliminate nuisance alarms. The bracket can be mounted to the bottom of the pan and the height of the WD2 adjusted anywhere up to 1.75 ¿¿ (44.5 mm). Or the bracket can be used to mount the WD2 to the side of the drip pan or any side wall at desired height.

Specification:

• Electrical Rating : WD2-BP2: Pilot duty rating 250 mA @ 24 VDC maximum; WD2-LP: 1 A @ 24 VAC/DC, 1 A @ 120 VAC.
• Audible Alarm : BP Models: 10 seconds on, 30 seconds off. LP Models: Continually on. None on D2 model.
• LED Alarm : BP Models: 10 seconds off, 30 seconds on. Two red LED’s; LP Models: Continually on. Eight red LED’s.
• Power Requirements : BP models: 3 V CR2450 lithium metal battery, installed non-functional, user replaceable; LP Models; 11 to 27 VAC/DC.
• Power Consumption : BP Models: 0.9 mA steady state non-alarm, 3.0 mA during audible alarm, 2.4 mA during LED alarm; LP Models: DC power: 25 mA typical and 75 mA maximum, AC power: 30 mA typical and 85 mA maximum.
• Weight : WD2-BP2: 3.5 oz; WD2-LP: 4.3 oz; WD2-LP-D: 5.6 oz.

 

Operation:
Model WD2-BP2 is battery powered, provides audible alarm, red LED visual alarm, and a SSR output. When conductive fluid is detected, the audible alarm will turn on for 10 seconds followed by a 30 second visual alarm repeated until the unit no longer detects fluid. The SSR will change state from open to closed. When the battery gets low the WD2 gives a warning by turning on the visual and audio alarms.
WD2-LP units require an 11 to 27 VAC/DC power supply. A green power LED illuminates when the unit has power. WD2-LP units provide audible alarm, red LED visual alarm, and either a SPDT or DPDT output. When conductive fluid is detected, the audible alarm and visual alarm will turn on and stay on. The relay will change state with open contacts going to closed and closed contacts going to open.

Mounting:
The unit is made to place on a horizontal surface where leaking fluid can build up.
Mounting bracket A-154 is perfect for use in leak pans where it is desired to raise the sensing level above the bottom of the pan to eliminate nuisance alarms. The bracket can be mounted to the bottom of the pan and the height of the WD2 adjusted anywhere up to 1.75 ¿¿ (44.5 mm). Or thebracket can be used to mount the WD2 to the side of the drip pan or any side wall at a desired height.
The A-154 includes one “U” bracket and two “L” brackets. For bottom mounting unscrew the body screws in the top of the WD2. Install the “L” brackets to the “U” bracket sides using the screws and nuts provided. Keep the screws loose for later adjustment of WD2 height. Place the “U” bracket on the top of the WD2 and line up the holes in the bracket with those in the body. The A-154 includes longer body screws that are used to now screw down both the bracket and the body top. The “U” bracket can be mounted in the up or down orientation but it must be mounted “down” to reach the full 1.75 ¿¿ height potential.

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Additional Information:

• Item Code: Series-WD2

Product Details:

The SERIES OLS Optical Level Switches are a low cost, rugged optical level switch that indicates the presence or absence of liquid via infrared light that is reflected back through the prism lens. It also provides rapid response while employing no moving parts for stable process control. The bright red and green LED’s indicate the presence or absence of liquid for true, local indication. Three optional materials, 316 SS, polysulfone and PFA provide application flexibility. Compact switch can be quickly mounted horizontally or vertically for each installation.

Principles Of Operation:
The optical level switch employs an LED, which transmits infrared light. This light is sent through a prism and reflected back to a photo-transistor utilizing two 90° light reflections. With the prism surrounded by a gas, the light source is cast back to the photo-transistor. When a translucent liquid is introduced to the prism at or above the point where the light source makes contact with the prism, the light is reflected into the liquid, not allowing the photo-transistor to energize.

 

Features:

• Compact switch can be quickly mounted horizontally or vertically for each installation
• Bright red and green LED’s indicate the presence or absence of liquid for true, local indication
• Provides rapid response while employing no moving parts for stable process control
• Three optional materials, 316 SS, polysulfone and PFA provide application flexibility

Specification:

• Service : Noncoating compatible liquids.
• Wetted Materials : See chart on Catalog page.
• Temperature Limits : Process: OLS-10, 11: 200°F (93.3°C), OLS-12: 120°F (48.9°C); Ambient: OLS-10, 11: 175°F (79.4°C), OLS-12: 120°F (48.9°C).
• Pressure Limit : OLS-11, 12: 200 psig (13.8 bar); OLS-10: 1000 psig (69 bar).

Applications:

• Food and beverage systems
• Liquid holding tanks
• Hydraulic reservoirs
• Sumps
• Pharmaceutical systems
• Air conditioning systems

Installation:

• Carefully unpack switch and remove any packing material from unit. Prism surface must be clean for proper operation.
• Level Switch may be installed in any position. NOTE: Do not install near infrared light sources.
• Prism surface must be at least 2" from any reflective surfaces.
• Apply thread tape or sealant to 1/2" male NPT thread. To prevent damage to threads, avoid overtightening.
• Connect (+) 10-28 VDC power to red lead; return (-) to black lead. CAUTION: Do not connect output to supply.
• Inspect and clean lens at regular intervals. Level switch not recommended for use with liquids that leave deposits.

 

Other Details:

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• Item Code: Series-OLS

Product Details:

Control the level of liquids in filling or draining reservoirs and tanks with the Series CFS. The mercury-free switch is designed  with  an  inverter  microswitch  housed  in  a polypropylene cover. The unit includes a counterweight to adjust the stop and start levels of pump up/pump down
application.

Installation Instructions:
The installation is very easy by holding the cable with a small clamp  in  the  reservoir  or  container.  By  fixing  the counterweight to the cable, at a closer or farther from position float, the desired differential between the highest and lowest level can be freely adjusted. Several differentials between levels, against counterweight-to-float distance are given:

Installation of Counterweight:

• Insert the cable in the counterweight, from the conical part and rotate it, thus causing the plastic ring inserted in
• the opening to become detached (if necessary this operation can be facilitated with the use of a screwdriver). The ring should then be positioned in the point where it is desired to block the counterweight.
• Force the counterweight on the ring by rotating it, using a slight pressure.
• If the counterweight position is to be changed, the counterweight should be retracted, the ring position changed and secured once again.

 

Other Details:

 

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• Item Code: Series-CFS

Product Details:

One of our most versatile level controls, the Series 190 can be used on all types of tank or sump level control applications.

Mercoid® Displacer Controls use displacers that do not float on the surface of liquids, but are suspended on a coil spring. They work on the principle that submerged solids weigh less in liquids, and as the liquid level rises and their weight decreases, the tension on the spring by which they are suspended is decreased. Because they work on a different principle than float type liquid level controls, displacers are not affected by turbulence or pressure, and are excellent for applications with viscous or dirty liquids.

 

Features:

• Extremely versatile design
• Displacers are suspended on a coil spring and do not float on the surface of liquids and are unaffected by turbulence or pressure
• Excellent for applications with viscous or dirty liquids

 

Specification:

• Service : Compatible liquids.
• Wetted Materials : Cable, spring and stops: 316 SS. Optional Inconel® spring; Displacers: Porcelain. Optional 304 SS, 316 SS, or carbon graphite.
• Temperature Limits : Ambient Temperature: 32 to 200°F (0 to 93°C);Process Temperature: 32 to 200°F (0 to 93°C).
• Enclosure Rating : NEMA 4X. Optional general purpose or explosion-proof.
• Switch Type : SPDT snap switch, hermetically sealed snap switch, or mercury switch. Optional DPDT or two stage.
• Electrical Rating : Snap switch: 12 A @ 120 VAC, 5 A @ 240 VAC, 0.5 A @ 125 VDC resistive, 0.25 A @ 250 VDC resistive; Hermetically sealed snap switch: 5 A @ 120 VAC, 5 A @ 240 VAC, 5 A @ 30 VDC resistive; Mercury switch: 4 A @ 120 VAC/DC, 2 A @ 240 VAC/DC. Higher contact ratings available for the mercury switch.
• Electrical Connections : Screw terminal.
• Set Point Adjustment : Adjustable by moving displacers, see dimension chart for minimum and maximum values.
• Specific Gravity : Standard is 1.0. Specify when ordering by replacing 1.0 in model number with specific gravity setting desired. Settable range is 0.5 to 1.2.
• Weight : General purpose or watertight enclosure with 4" 125# cast iron flange approximately 28 lb (12.7 kg); Explosion-proof or explosion-proof/vapor-proof approximately 32 lb (14.5 kg).

 

Applications:

• Pumping stations
• Foaming liquids
• Sanitary/sewage treatment
• Paints & varnishes
• Agitated or turbulent fluids
• Heavy oil refineries
• Chemical plants
• Power generating stations
• Viscous or dirty liquids

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• Item Code: Series-190

Product Details:

Series CLP Conductivity Level Probes are used to determine the presence of a conductive liquid at a set level by sensing conductivity. The Series CLP is coupled with the Series TSWB Temperature Level Controller for a complete level control system. These probes allow for the measurement of conductivity between the probe fitting and end, which is isolated by a ceramic insulator, or between the probe ends of two probes. The CLP can be mounted in any orientation in a tank, tee fitting, or any compatible threaded port. The probe end is solid stainless steel allowing substantial resistance to heat and corrosion.

Features:

• Mount in any orientation in a tank, tee fitting, or any compatible threaded port for easy installation
• Probe end is solid stainless steel allowing substantial resistance to heat and corrosion
• Ceramic insulator allows for high degree of isolation

Applications:

• Water level monitoring
• Tank level control
• Process automation
• Single point level service
• Open tanks
• Closed vessels

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• Item Code: Series-CLP

Product Details:

The Series LTS Tilt Switch probes are able to sense either the presence or absence of material when other sensors won't work due to bin vibration, or actual walls aren't available for mounting other types of measuring units. The probes are designed for use where the bulk material to be sensed is exposed or open. Typical applications include high or low level detection in large hoppers, silos, crushers, or trippers, high level control under stackers, and detection of plugged conditions at conveyor transfer points. Series LTS probes can also be used to detect the presence or absence of bulk material on belt conveyors, on chutes to indicate product flow, and to aid in loading rail cars or trucks.

 

All probe models are airtight, dust tight, and waterproof. The compact probe should be used for applications involving small bins and hoppers where space is limited, while the heavy duty probe should be used for applications where a heavy duty abrasion-resistant probe is necessary.

 

Features:

• All probe models are airtight, dust tight, and waterproof
• Compact probe should be used for applications where space is limited and standard, heavy duty probe should be used for applications where an abrasion resistant probe is necessary

Specification:

• Electrical Rating : < 50 mA @ 12 VDC as supplied by Series LTC controller.
• Electrical Connection : 3-wire +12 VDC (supplied by controller).
• Surrounding : Epoxy encapsulated.
• Mounting Orientation: Vertical.

 

Applications:

• Large hoppers
• Silos
• Crushers
• Trippers
• Stackers
• Conveyors

Installation Instructions:
Probe Installation:
The probe should be suspended using a fixed support, such as a mounting bracket or S-hook, at a position where it will easily intercept the bulk material at the desired indication point. There must be a free flow of material both to and away from the probe. In some installations, it is necessary to install a baffle or shield above the probe assembly to protect it from product surges.

Wiring:
All wiring should be in compliance with applicable Local, Federal, and State codes. Probe connection cable is 16-3 type SO and is attached to the probe. Probe cable length is supplied as specified per order, and may be spliced.

Maintenance:
The Series LTS Tilt Switch Probes are not field serviceable and should be returned if repair is needed (field repair should not be attempted and may void warranty). Be sure to include a brief description of the problem plus any relevant application notes. Contact customer service to receive a return goods authorization number before shipping.

Other Details:

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• Item Code: Series-LTS

Product Details:

The CLS2 is a capacitive technology level switch that does not have any moving parts - no jams, no wear, nothing to break, and no maintenance. State of the art sensing technology in the CLS2, using impulse RF admittance measurement combined with an active guard, provides excellent level measurement and stability while being insensitive to material buildup. This technology also provides immunity to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems.

 

Capacitive level technology can be used for liquids, powders and bulk materials and is great for difficult applications such as slurries, coating products, and liquids and solids. The CLS2 is ideal for level indication in silos, receivers, and transporters in pneumatic conveying systems. The CLS2 can also be used for liquid interface applications to detect the level of two immiscible liquids that have different dielectric constants such as oil and water. Wetted materials of PVDF and 316 SS assure great chemical compatibility and meet food grade requirements.

 

Features:

• Automatic Calibration: No need to turn calibration pots, just push the calibration button. The CLS2 even has an external magnet to activate the calibration without having to open the enclosure.
• Universal Power Supply: One model works from 12 to 240 VAC/DC without any jumpers or settings.
• Coat Guard: Unit is not affected by sticky, dusty, or clingy materials that coat or build up on the probe preventing false alarms.
• Failsafe Setting: Output switches can be set for Normally Open or Normally Closed condition on loss of power.
• Status Indication: Ultra high brightness external red LED switch status indicator, and internal indicators for power, sensor, and switch status that can be seen externally with window cap option (external LED on weatherproof model only).
• Time Delay: Prevent false alarms from material splashing, agitation, etc.
• Removable Terminals: Removable terminal block snaps in and out enabling easy wiring outside of the enclosure.
• No Moving Parts: Permitting for no jams, no wear, nothing to break, and no maintenance.
• Impulse RF: Admittance measurement combined with an active guard, provides excellent level measurement and stability while being insensitive to material buildup.
• Immune To: External RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems.
• Can Be Used For: Liquid interface applications to detect the level of two immiscible liquids that have different dielectric constants such as oil and water.
• Wetted Materials: PVDF and 316 SS assure great chemical compatibility and meet food grade requirements.

Specification:

• Temperature Limits: Ambient: -40 to 185°F (-40 to 85°C), -4 to 185°F (-20 to 85°C) with under 24 VAC/DC power supply, Process: -40 to 250°F (-40 to 121°C).
• Electrical Rating : 8 A @ 120/240 VAC res., 30 VDC. 1/2 hp @ 120 VAC and 1/4 hp @ 240 VAC ind.
• lectric Connections : 1/2" NPT conduit opening, screw termination and removable terminal block.
• Mounting Orientation : Vertical or horizontal.
• Set Point Adjustment : Trips when product touches probe. Cut or extend probe to length of desired trip point. Can be cut as short a 1" and can be extended by welding on to probe. (Minimum length will be effected by material being sensed.)
• Spark/Static Protection : 10 MEG Ohm dissipation resistance with spark gap. Surge current to 100A max.
• Sensitivity : 8 selectable settings, 1, 2, 4, 6, 8, 10, 14, 20 pF (at 30 pF nominal free capacitance).

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Additional Information:

• Item Code: Series-CLS2

Product Details:

The Model VRLS Vibrating Rod Level Switch is an economical choice in level detection of powders and bulk solids. The VRLS utilizes a piezoelectric crystal that vibrates the rod at a natural frequency. Once the rod comes in contact with the material, the vibration will be dampened and the switch will change state. Once the rod is uncovered by the material, the switch will revert to its normal state. Perfect for silo or hopper applications, its probe design allows for self-cleaning, ensuring no build-up or bridging of material and accurate detection. Sensitivity is adjustable for detection ranging from large granular material to small powders with low bulk densities. The failsafe mode can be set for failure on high level or failure on low level using a selector switch in the enclosure.

Features:

• Probe design allows for self-cleaning, ensuring no build-up or bridging of material and accurate detection
• No mechanical moving parts with no routine maintenance required
• Sensitivity is adjustable for detection ranging from large granular material to small powders with low bulk densities
• The failsafe mode can be set for failure on high level or failure on low level using a selector switch in the enclosure
• Unaffected by the dielectric constant of the sensed material, making it superior to a capacitance level switch for applications where the dielectric constant is too low, where there is more than one material being used in one vessel, and when material moisture content can change
• Ideal for applications where the bulk density is too low for a rotating paddle level switch

Specification:

• Service : Dry powder or bulk materials compatible with wetted materials.
• Sensitivity : Min. bulk density of 20 lb/ft3 (320 kg/m3).
• Temperature Limits : Ambient: -40 to 140°F (-40 to 60°C), Process: -40 to 176°F (-40 to 80°C).
• Enclosure : Aluminum, painted.
• Electrical Rating : 5 A @ 250 VAC.   
• Electrical Connections : Screw terminals.
• Indication Lights : Internal: green and red LED.

Applications:

• Lime, styrofoam, dry cereals, sugar, animal feed, milk powder, flour, insulation, cement, paper shavings, plastic granules, sawdust, carbon black, light fibers, detergent powders, dyes, chalk, silica, and wood chips.

 

Installation:

• When installing VRLS, the following should be noted.

Top Mounting:

• Avoid installing directly under substance inlet to prevent damage to the probe.
• Angle of mounting should be taken into consideration during installation to prevent false alarm.

Side Mounting:

• It is highly recommended to use a shield to protect the vibrating probe level switch. The cover should be parallel to the probe and of the same length.
• Incline the device at approximately 20 degrees when installing. Keep conduit facing downward to prevent moisture from getting inside the housing while in operation.
• All wiring should employ 18 AWG cable.

 

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• Item Code: Model-VRLS

Product Details:

Series TFLS Tuning Fork Level Switch is ideal for level control of powders and fine grained solids, especially those with a low bulk density. The TFLS incorporates a piezoelectric crystal that vibrates the fork at its natural frequency. When the fork comes in contact with material, the vibration is dampened and the switch changes state. As the fork becomes free of material, the switch changes back to its normal state. Featured in the TFLS is user-selectable fail-safe operation of the contacts. Unit is not affected by vibration from conveying systems, motors, or the movement of material. It can be mounted in any position and is available with factory built extensions for mounting on the top of the storage vessel.

Series TFLS is easy to use, with no calibration required and with no mechanical moving parts there is no routine maintenance required. The TFLS is unaffected by the dielectric constant of the sensed material, making it superior to a capacitance level switch for applications where the dielectric constant is too low, where there is more than one material being used in one vessel, and when material moisture content can change. The level switch is also good for applications when the bulk density is too low for a rotating paddle level switch. It can also detect granular material submerged in liquids of low viscosity, for example sand, gravel, or polyester chips in water.

Features:

• No Calibration Required.
• Vibrating Fork Design: Great for low bulk density and low dielectric constant products. Will detect products down to 1.8 lb/ft3 (30 g/l).
• Universal Power Supply: One model works with 90 to 265 VAC and 24 VDC.
• Adjustable Sensitivity: Can be set to ignore lighter bulk density products and only detect heavier products, such as sand in water.
• Status Indication: External LED switch indicator, and internal indicators for normal and alarm status.
• Failsafe Setting: Output switch can be set for Normally Open or Normally Closed condition on loss of power.
• Time Delay: Prevent false alarms from material surges.
• No Maintenance Required.
• Any Position Mounting: Available with factory built extensions for mounting on the top of the storage vessel.

Specification:

• Service : Dry powder or bulk materials compatible with wetted materials. Can detect bulk materials submerged in liquid.
• Sensitivity : Minimum bulk density of 1.8 lb/ft³ (30 g/l), maximum particle size 0.4" (10 mm).
• Enclosure : Aluminum, powder coated.
• Enclosure Rating : Weatherproof, NEMA 4X.
• Switch Type : SPDT.
• Electric Connections : Screw terminals.
• Indication Lights : External: red LED; Internal: green and red LED's.
• Sensing Delay : (Maximum) covered probe: 2 s.; uncovered probe: 3 to 7 s.
• Time Delay : Separate settings for covering and uncovering the probe. Adjustable from 2 to 20 seconds.

Applications:

• Lime, styrofoam, dry cereals, sugar, animal feed, milk powder, flour, insulation, cement, paper shavings, plastic granules, sawdust, carbon black, light fibers, detergent powders, dyes, chalk, silica, sand, wood chips
• Chemical processing
• Pulp and paper processing
• Mining
• Food and beverage

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• Item Code: Series-TFLS

Product Details:

The Model CTF Mini Tuning Fork Level Switch is an ideal choice for level control of powders. The CTF incorporates a piezoelectric crystal that vibrates the fork at its natural frequency. When the fork comes in contact with a material, the vibration is dampened and the switch changes state. As the fork becomes free of material, the switch changes back to its normal state. The unit is not affected by vibration from conveying systems, motors, or the movement of material. Its compact size and DIN connection allow for application in places a larger tuning fork level switch may not be suitable, providing great versatility.

 

The Model CTF is easy to use with no calibration required, and no mechanical moving parts mean no routine maintenance. The CTF is not affected by the dielectric constant of the sensed material, making it superior to a comparable capacitance level switch for applications where the dielectric constant is low, more than one material is being used in the single vessel, and when material moisture content can change. The level switch is also great for applications when the bulk density is too low for a rotating paddle level switch, making it the ideal choice for low density bulk solids and liquids. Comes standard with a user friendly PNP/NPN configurable output.

 

Features:

• DIN connection and compact size allows for application in places a larger tuning fork level switch may not be suitable, providing great versatility
• No mechanical moving parts with no routine maintenance required
• Unaffected by the dielectric constant of the sensed material, making it superior to a capacitance level switch for applications where the dielectric constant is too low, where there is more than one material being used in one vessel, and when material moisture content can change
• Ideal for applications where the bulk density is too low for a rotating paddle level switch

Specification:

• Service : Dry powder compatible with wetted materials.
• Sensitivity : Min. bulk solid density: 4.4 lb/ft3 (70 g/l).
• Wetted Materials : Tuning Fork: 316 L SS; Process connection: 304 SS.
• Electrical Rating : 350 mA (max) @ 12 to 55 VDC.
• Conduit Connection : Valve plug DIN 43650.
• Process Connections : 1" male NPT.
• Indication Lights : External red LED.
• Sensing Delay : Max. covered probe: 1 to 3 s.; Uncovered probe: 1 to 3 s.

Applications:

• Lime, styrofoam, dry cereals, sugar, animal feed, milk powder, flour, insulation, cement, paper shavings, plastic granules, sawdust, carbon black, light fibers, detergent powders, dyes, chalk, silica, sand, wood chips
• Chemical processing
• Pulp and paper processing
• Mining
• Food and beverage

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• Item Code: Model-CTF

Product Details:

Incorporated in the design of the PLS is a magnetic drive that is time proven by decades of use in our Mark Series valve position indicator product line. A 1 rpm synchronous motor rotates the paddle, utilizing a magnetic drive. As product builds up, the paddle is impeded from moving and the resulting motor torque activates the output switches and stops the motor. A spring mechanism reactivates the motor and returns the switches to normal state when the product no longer impedes the paddle rotation.

 

Standard construction is weatherproof with explosion-proof optional, and the unit can be side or top mounted. The PLS is designed with the industry standard 1-1/4" male NPT connection and mounting flanges..

 

Features:

• Magnetic drive that isolates and completely seals the control head from the process and environment preventing material or dust from entering the control head.
• Motor shuts-off when paddle stalls increasing motor life, preventing motor burnout, and decreasing power usage.
• Slip clutch design enabled by the magnetic drive that prevents damage to motor and drive mechanism from sudden or excessive loading on the paddle.
• Status indication light on weatherproof models.
• Screw cover on the enclosure for easy access with no worries about losing bolts or screws.
• Modular design to allow field installation of any paddle, flanges, shaft extensions, or shaft guards.
• Flexible coupling available for protection of the paddle and drive from side loads, surges or impacts. Recommended for top mount applications with shaft extension and applications with large or heavy materials.

Specification:

• Service : Dry powder or bulk materials compatible with wetted materials.
• Sensitivity : Minimum material density of 5 lb/ft³ (80 kg/m³), maximum of 200 lb/ft³ (3200 kg/m³).
• Wetted Materials : Paddles: 316 SS. Exposed Shaft: 316 SS. Shaft Seal: PTFE. Mounting Boss: Aluminum. Flexible Coupling: 316 SS. Mounting Flanges: Carbon Steel or 316 SS. Shaft Extension and Shaft Guards: Galvanized Steel or 316 SS.
• Temperature Limits : Standard Construction: Process: -40 to 300°F (-40 to 148.9°C), Ambient: -40 to 185°F (-40 to 85°C); High Temperature: Process: -40 to 500°F (-40 to 260°C), Ambient: -40 to 185°F (-40 to 85°C).
• Power Requirement : Select by part number: 110-120 VAC, 230 VAC, 24 VAC, 48 VAC, or 12 VDC.
• Power Consumption : Weatherproof models: 5 watts, Explosion-proof models: 3 watts.
• Enclosure Rating : Weatherproof (W, WH construction): NEMA 4X, Explosion-proof (E, EH construction): NEMA 4X and rated for Class I, Div. 1 & 2, Groups C & D, Div. 1 & 2, Groups E, F, & G.
• Electric Connections : Screw terminals.
• Indication Light : Red LED that activates when switch is made or when switch is not made with RL option (not available on Explosion-proof models).
• Time Delay Relay Option : Five field adjustable ranges from 0-1 to 0-31 minutes. (RL option not available, DPDT option not available with 230 VAC time delay).
• Weight : Control head only: 4 lb (1.81 kg).

Applications:

• Mining
• Food and beverage
• Silos
• Hoppers

 

Options:

• Contact the factory for pricing of shaft extensions, protective shields, and other options. More detailed information available in our Measurement & Control for Powder, Dust, and Bulk Materials Catalog.

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• Item Code: Series-PLS

Product Details:

PBLT2 and PBLTX Submersible Level Transmitters are manufactured for years of trouble free service in the harshest applications. Both measure the height of liquid above the position in the tank referenced to atmospheric pressure. The transmitter consists of a piezoresistive sensing element, encased in a 316 SS housing. Perfect for wastewater and slurry applications with features to protect the unit from these demanding applications. Large diameter 316 SS diaphragm seal is non-clogging and damage resistant to floating solids.

 

The PBLT2 incorporates lightning and surge protection utilizing dual arrestor technology, grounded to case, eliminating both power supply surges and lightning ground strike transients (surge protection is not guaranteed and is not covered by warranty). The PBLTX is UL approved intrinsically safe for use in hazardous locations when used with proper barrier.

 

Units come equipped with a 270-pound tensile strength shielded and vented cable. Ventilation tube in the cable automatically compensates for changes in atmospheric pressure above the tank. The vent is protected with a maintenance free filter eliminating particulate or water droplets from entering the transducer.

 

Features:

• Durable cage design with large diameter 316 SS diaphragm seal that is non-clogging and damage resistant to floating solids
• Incorporates lightning and surge protection utilizing dual arrestor technology, grounded to case, eliminating both power supply surges and lightning ground strike transients (surge protection is not guaranteed and is not covered by warranty) on PBLT2 models
• Maintenance free filter eliminates particulate or water droplets from entering the transducer
• UL approved intrinsically safe on PBLTX models for use in hazardous locations when used with the proper barrier
• 270 lb (122.5 kg) tensile strength shielded and vented cable
• Excellent chemical compatibility
• NPT connection allows the unit to be rigidly installed in a pipe/conduit, or the addition of a A-625 hanging loop for attaching a chain for pulling out of the installation

Specification:

• Temperature Limit : PBLT2: 0 to 200°F (-18 to 93°C), PBLTX: 0 to 176°F (-18 to 80°C).
• Compensated Temperature Range : PBLT2: 0 to 180°F (-18 to 82°C), PBLTX: 0 to 176°F (-18 to 80°C).
• Thermal Effect : ±0.02% FS/°F.
• Loop Resistance : 900 Ω.
• Electrical Connection : Wire pigtail.
• Mounting Orientation : Suspended in tank below level being measured.
• Electrical Protection : PBLT2: Lightning and surge protection, PBLTX: none.

Applications:

• Wastewater
• Sludge pits, clarifiers, digesters
• Alum tanks
• Chemical storage tanks
• Oil tanks
• Lime slurry
• Sumps
• Reservoirs

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• Item Code: Series-PBLT2-PBLTX

Product Details:

The Series CRF2 is a level transmitter providing a two-wire 4 to 20 mA output to indicate level of liquids, powders and bulk materials. State of the art sensing technology in the CRF2, using impulse RF admittance measurement provides excellent accuracy and stability. The CRF2 senses capacitance changes resulting from the height of the material in the tank between the probe and the tank wall. In non-metallic tanks or tanks that do not have the wall parallel to the probe a ground reference must be used.

 

The CRF2 comes with either a rigid or flexible probe depending on application installation need and probe length required. Featured in the CRF2 is easy push button calibration of zero and span. Custom order the CRF2 to any length probe that you need for your application. FEP covered probe is ideal for use with corrosive media. This technology also provides immunity to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems.

 

Features:

• State of the art sensing technology, uses impulse RF admittance measurement which provides excellent accuracy and stability
• Comes with either a rigid or flexible probe depending on application installation need and probe length required
• Easy push button calibration of zero and span
• Any length probe can be customer ordered for any specific application
• FEP covered probe is ideal for use with corrosive media
• Immune to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems

Specification:

• Service : Liquids, powders, and bulk materials compatible with wetted materials.
• Wetted Materials : Standard: rod/cable: FEP; connection: 316 SS. Ground Option: rod/cable and connection: 316 SS; cable spacers: PVC. Flange Option: material of flange.
• Accuracy : ±0.5 pF or ±0.25% of span, whichever is greater.
• Repeatability : ±0.25 pF or ±0.1% of span, whichever is greater.
• Temperature Limits : Ambient: -40 to 185°F (-40 to 85°C); Process: -40 to 250°F (-40 to 121°C).
• Electrical Connection : Screw terminal.
• Process Connection : Standard: 3/4" NPT male. Optional: See Catalog page.
• Enclosure Rating : NEMA 4X (IP66) weathertight/corrosion resistant.
• Spark/Static Protection : 106 ohm dissipation resistance with spark gap. Surge current to 100 A max.

Applications:

• Pulp and paper processing
• Chemical processing
• Food and beverage
• Aggregates
• Plastics
• Mining

 

Other Details:

 

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• Item Code: Series-CRF2

Product Details:

Series ULT Ultrasonic Level Transmitter provides reliable, accurate, non-contact measurement of liquid levels. Ultrasonic non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies. Mapping software makes effective measuring surface only a 3" diameter column. No concerns with ladders, pipes, or other tank intrusions in the remaining sound cone. Unit is FM approved explosion-proof making it ideal for use in hazardous locations. The ULT features easy programming with 6 digit LCD display and simple menu structure. Output range is adjustable with choices of inputting tank dimensions or just fill and empty the tank while calibrating and it automatically scales to levels it senses. Window cover allows early viewing of display. Fail-safe output options and diagnostic capabilities makes the ULT a good choice for critical applications.

Features:

• Provides reliable, accurate, and non-contact level measurement of compatible liquids
• Non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies
• Mapping software makes effective measuring surface only a 3" (76.2 mm) diameter column with no concerns of ladders, pipes, or other tank intrusions in the remaining sound cone
• FM approved explosion-proof making it ideal for use in hazardous locations
• Easy programming with 6 digit LCD display and simple menu structure
• Output range is adjustable with choices of inputting tank dimensions or by filling and emptying the tank while calibrating and it automatically and scaling to levels it senses
• Window cover allows easy viewing of display
• Fail-safe output options and diagnostic capabilities

Specification:

• Wetted Materials : Sensor: PVDF; Process Connection: 303 SS; O-ring: fluoroelastomer.
• Pressure Limits : 30 psi (2 bar) up to 25°C (77°C). Above 25°C (77°F), rating decreases 1.667 psi per 1°C increase. See Catalog page.
• Electrical Connections : Screw terminal.
• Conduit Connection : 1/2" NPT female (two) or optional M20.
• Process Connection : 2" NPT male or optional BSPT.
• Enclosure Rating : Weatherproof meets NEMA 4X, explosion-proof rated Class I, Div. 1, Groups B, C, D; Class II/III, Div. 1, Groups E, F, G.
• Mounting Orientation : Vertical.
• Failsafe : On lost echo after 30 seconds, user selectable to 4, 20, 21, 22 mA or last signal.
• Memory : Non-volatile.

Applications:

• Water and wastewater
• Pulp and paper processing
• Chemical processing
• Food and beverage

Operating Principle:
Ultrasound is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz. The ULT contains an ultrasonic transducer and a temperature sensing element. The ultrasonic transducer transmits ultrasound wave pulses through air directed towards the material of which the level is desired. The ultrasound waves then reflect off of the material as an echo and travel back to the transducer. The level of the material is determined by the transit time of the ultrasound wave pulse from the sensor to material and for the echo to come back to the sensor. The speed of sound through air is sensitive to the air temperature. The ULT uses the temperature sensing element to compensate for air temperature changes. 

The ULT incorporates patented surface processing technology and adaptive signal processing. Surface processing technology filters out all signal obstructions that may be in the tank creating an effecting beam diameter of only 3 ̋ (7.6 cm).

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• Item Code: Series-ULT

Product Details:

The Model ULSL Ultrasonic Level Sensor provides non-contact, continuous ultrasonic level measurement of fluids for short range applications. Ultrasonic technology paired with automatic temperature compensation provides accurate and reliable measurements in almost all conditions. The Model ULSL has failsafe logic that is easily configured to custom applications via free software removing the need for target calibration. Using the free software, the Model ULSL can be programmed to transmit an output signal as well as set the four relays for control applications. This rugged design comes with a NEMA 6P submersible enclosure rating to ensure a long lasting unit.

Features:

• Via free software, units can be programmed to transmit an output signal and operate four relays for control applications
• Provides reliable, accurate, and non-contact level measurement of compatible liquids
• Non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies
• Mapping software makes effective measuring surface only a 3" (76.2 mm) diameter column with no concerns of ladders, pipes, or other tank intrusions in the remaining sound cone
• Ultrasonic technology paired with automatic temperature compensation provides accurate and reliable measurements in almost all conditions
• Fail-safe logic is easily configured to custom applications via free software removing the need for target calibration
• Full NEMA 6P submersible enclosure rating to ensure excellent product durability

Specification:

• Wetted Materials : Sensor: PVDF; O-ring: FKM.
• Output Signal : 4 to 20 mA, 2-wire. Invert: 4 to 20 mA or 20 to 4 mA; Fail-safe: 4 mA, 20 mA, 21 mA, 22 mA, or hold last.
• Loop Resistance : 400 Ω max.
• Electrical Connections : 4' (1.2 m) 9 conductor shielded cable.
• Contact Type : 4 SPST relays.
• Contact Rating : 1 A max @ 28 VDC max.
• Deadband : Selectable (no hysteresis, 1/4", 1/2", 1", 1/2 cm, 1 cm, 2 cm, 5 cm or not available).
• Process Connection : Process Connection: 2" NPT, 2" BSPP (optional).
• Enclosure Rating : NEMA 6P (IP68).
• Enclosure Material : Polycarbonate; Gland: TPE.
• Mounting Orientation : Vertical.
• Memory : Non-volatile.
• Failsafe : Contact: Power loss: Hold last contact; Power on: Open, close, or last contact.
• Programming : Free PC software download (USB adapter required).

Applications:

• Water and wastewater
• Pulp and paper processing
• Sump and process tanks
• Chemical processing
• Food and beverage

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• Item Code: Model-ULSL

Product Details:

The Mercoid MPC Junior Pump Controller provides versatile level control in a standard 1/4 DIN package. Designed for use with almost any style level transmitter the unit displays the present level and main set point value. Incorporated in the MPC Jr. is programmable level differential for on/off control of one or two pumps, valves, or other devices through two SPDT relays. Also featured are two additional programmable alarm contacts with front alarm light indication.

The MPC Jr. is flexible and incorporates a user-friendly programming menu. The front face meets NEMA 4X for outdoor panel mounting.

 

Features:

• Selectable pump alternation when used with two pumps to minimize pump wear
• Integral 24 VDC power supply for transmitter
• User selectable security lock-out of programming and/or set points
• Optional process input retransmission as a current (4 to 20 mA) or voltage (2 to 10 VDC) analog signal
• Analog output on pump "on" condition for activation of separate pump run time meters

 

Specification:

• Inputs : 4 (or 0) to 20 mA DC or 2 (or 0) to 10 VDC selectable.
• Output Ratings : Control Relays: SPDT, rated 10 A @ 240 VAC res., 1/4 hp @ 120 VAC, 1/3 hp @ 240 VAC; Alarm Relays: SPST, 3 A @ 240 VAC res., 1/10 hp @ 120 VAC; Others: 15 VDC @ 20 mA for output one and output two.
• Control Type : On/off, reverse (pump out) or direct (pump in) acting.
• Power Requirements : 100 to 240 VAC nominal, +10%-15%, 50 to 400 Hz, single phase; 132 to 240 VDC nominal, +10%-15%.   
• Accuracy : 0.25% of span, ±1 least significant digit.
• Memory Backup:  Nonvolatile memory (no batteries required).
• Serial Communications : Optional RS-232 or RS-485 with Modbus® protocol.
• Ambient Operating Temperature/RH : 14 to 131°F (-10 to 55°C); 0 to 90% up to 104°F (40°C) non-condensing, 10 to 50% at 131°F (55°C) non-condensing.
• Loop Power Supply (isolated) : 24 VDC @ 50 mA, regulated.

Applications:

• Water and wastewater
• Sump and sludge pits, clarifiers, digesters
• Chemical storage tanks
• Oil tanks
• Reservoirs

Options:

• RC Retransmission of input, 4 to 20 mA. Add suffix -RC.
• RV Retransmission of input, 0 to 10 VDC. Add suffix -RV.
• 232 RS-232 Modbus® -RTU Serial Communications. Add suffix -232.
• 485 RS-485 Modbus® -RTU Serial Communications. Add suffix -485.

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• Item Code: Series-MPCJR

Product Details:

The Series EBV Electric Bin Vibrator incorporates adjustable force features without creating irritating noise. The low amperage draw at 120V reduces power consumption and makes the vibrators usable in any application. The EBV eliminates drawbacks associated with non-adjustable constant force units. The conventional fix force units are sized with narrow operating limits and may not move material from bins or pack material in containers if the moisture content changes. The adjustable force feature increases application flexibility; reducing equipment downtime and labor expense. The EBV is capable of running continuously at 100% force output without overheating or mechanical damage.

Applications:

• Bin Vents
• Bag Houses
• Dust Collectors

 

Installation:

• Before installation, especially if the apparatus has been stored in the warehouse, remove the side covers from the weights and check to make sure the shaft turns freely.
• The EBV electric vibrator can be installed in any position. Fix the electric vibrator on a rigid area to avoid induced vibrations causing breakage or cracks; if this is not possible, use plates and ribbing for reinforcement.
• The mounting surface must be level (max 0.25 mm/ max 0.01 in) so that the vibrator feet rest uniformly and perfectly in contact with the mounting surface, to avoid internal stresses which can lead to breakage of the vibrator feett.
• To mount the electric vibrator, use bolts, nuts and flat washers.
• Remember that most breakdowns are due to incorrect mounting.
• Anchor the electric vibrator using a chain with a length and cross section suitable for supporting the electric vibrator with a maximum fall of 15 cm (6 inches), in case of accidental detachment.

Maintenance:
Before carrying out any maintenance or cleaning on the machine, make sure the conditions are safe.

 

Other Details:

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• Item Code: Series-EBV

Product Details:

Continuous Output Level Transmitters provide up to the minute tank level monitoring. Customize level transmitters to meet application requirements. Transmitters can be configured for 4 to 20 mA or proportional voltage output, stainless steel or Buna-N stem and floats, and lengths up to 72" (183 cm).

Features:

• Customized stem length, actuation point, distance between floats, and lead wire lengths
• 4 to 20 mA or proportional voltage output outputs continuous level indication

Specification:

• Temperature Limits : Buna-N Floats: 180°F (82°C) in water, -40 to 230°F (-40 to 110°C) in oil; SS Floats: -40 to 230°F (-40 to 110°C).
• Pressure Limits : Buna-N Floats: 150 psig (10 bar); SS Floats: 300 psig (21 bar).
• Power Requirements : Proportional Voltage Output Models: 10 to 30 VDC; 4 to 20 mA Output Models: 10 to 40 VDC.
• Loop Resistance : 1.4 kΩ maximum.
• Electrical Connections : Proportional Voltage Output Models: 24" (16 cm) free leads #22 AWG, TFE jacketed; 4 to 20 mA Output Models: junction box.
• Specific Gravity : Buna-N Floats with SS or Brass Stem: 0.55 minimum; SS Floats with SS Stem: 0.75 minimum.

Applications:

• General purpose level monitoring
• Low specific gravity applications
• Gas and oi

 

Maintenance/Repair:
Regular maintenance of the total system is recommended to assure sustained optimum performance. These devices are not field repairable and should be returned to the factory if recalibration or other service is required. After first obtaining  a Returned Goods Authorization (RGA) number, send the unit freight prepaid to the following. Please include a clear description of the problem plus any application information available.

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• Item Code: Series-CLT

Product Details:

Series APV-C Piston Vibrators are air cushioned to provide low noise. This makes it suitable for quiet area applications. It is a good solution to prevent clogs on tank walls and material delivery problems. It can also be applied on vibrating separators and conveyors.

 

Working Principle APV-C:
There are air-breathing tubes located in both ends of the cylinder. Compressed air pushes the piston from one side to the other side. Vibration power arises as the piston moves back and forth in the body. Air cushion at both ends produced by the to-and-fro compression will keep the piston from striking the body. Therefore, the piston will not produce much noise.

Series APV-I impact version piston vibrators can help to get rid of dust or material accumulated inside of pipes or tanks. It allows direct impact on the tank with low specific gravity and high moisture materials inside. It also helps prevent material build-up, pipe clogs, and rust.

Working Principle APV-I:
There are air-breathing tubes located in both sides of the cylinder. Compressed air pushes the piston away from one side and to the other side. Vibration arises when the piston moves back and forth in the body. Air cushion at the top end is produced by the to-and-fro compression. This will keep the piston from striking onto the body top. The piston will strike directly on the bottom side of the body to produce a strong impact. 

How IT Operates:
There are air-breathing tubes located in both ends of the cylinder. Compressed air pushes the piston from one side to the other. Vibration power arises when the piston moves back and forth in the body. In APV-C air cushion at both ends produced by the to-and-fro motion will keep the piston from striking the body. Therefore, the piston will not produce much noise. In APV-I, air cushion at the top end is produced by the to-and-fro compression. This will keep the piston from striking onto the body top. The piston will strike directly on the bottom side of the body to produce a strong impact.

 

Features:

• High strength aluminum alloy housing
• Frequency and amplitude of vibration can be adjusted as needed
• Low frequency and direct impact models available
• Air Connection : 1/8" BSPT female with 1/4" OD push to connect adapter on APV-C1 and APV-I1. 1/4" BSPT female with 1/4" OD push to connect adapter on APV-C2, APV-C3, APV-I2 and APV-I3. Also includes muffler for exhaust port.

 

Applications:

• Bin vents
• Bag houses
• Dust collectors

 

Maintenance:
Upon final installation of the Series APV Piston Vibrator, no routine maintenance is required. A periodic check of the system calibration is recommended. The Series APV is not field serviceable and should be returned if repair is needed (field repair should not be attempted and may void warranty). Be sure to include a brief description of the problem plus any relevant application notes. Contact customer service to receive a return good authorization number before shipping.

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• Item Code: Series-APV

Product Details:

Miniature custom level indicators are ideal for high-visibility level indication in tight spaces. All stainless steel housing provides rugged durability with a diameter of only 1-1/4" (32 mm). Select the mounting type that will best fit your application and an indication length of up to 96" (244 cm). View-Rite level indicators incorporate a pressure tight housing with internal float that magnetically activates external level indication flags, switches, or transmitter.

Features:

• Low maintenance with all 316 L SS wetted material
• Environmentally friendly with process liquid contained inside a pressure tight housing
• Durable 316 L SS provides maintenance-free operation
• Requires no external power to operate
• Brightly colored flags are easy to read even at long distances

Switch Modules:

• Clamp onto the level indicator, SPST, rated .17A @ 120 VAC, .08A @ 240 VAC, .13A @ 120 VDC, .06A @ 240 VDC.
• MVR-S1 -- Maximum temperature is 300°F (147°C). Polysulfone with 1/4" female NPT conduit connection.
• MVR-S2 -- Maximum temperature is 750°F (399°C). 316 SS with 1/2" male NPT conduit connection.
• MVR-S3 -- Maximum temperature is 750°F (399°C). Explosion-proof terminal box with 1/2" female NPT conduit connection.

Applications:

• Pharmaceuticals
• Medical equipment
• Food and beverages
• Semiconductor manufacturing
• Boilers

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• Item Code: Series-MVR

Product Details:

The SERIES F6 & F7 Horizontal Float Level Switches are designed to mount through the walls of tanks and other vessels. Internally mounted models F6-HPS-11, F6-MHS and F7-SS6 are secured to the wall of the tank or vessel from the inside while model F6-HPS-21 is mounted from the outside (externally). Models F7-HSS and F6-MHS2 can be installed internally or externally.

The SERIES F6 & F7 Specialty Float Level Switches are designed for unique applications. Model F7-SS5B/BNC can be used with viscous liquids or liquids with suspended metal particles. Use model F7-LL for low level detection (≥ 5/8"). The non-intrusive bottle style F7-EB mounts completely outside the tank at the actuation level. Suspend model F7-WBB in stand pipes or sumps for leak detection or drop into wells for ground-water monitoring.

Features:

• Hermetically sealed reed switches are actuated by magnets permanently bonded inside the float arm and can be easily adapted to open or close a circuit on rising or falling levels

Specification:
Series F6

• Service : Compatible liquids.
• Temperature Limit : F6-SS & F6-MHS: -4 to 257°F (-20 to 125°C). F6-HPS-11, 21, 31: 14 to 176°F (-10 to 80°C).
• Pressure Limit : F6-SS & F6-MHS: 218 psi (15 bar). F6-HPS-11, 21, 31: 116 psi (8 bar).
• Enclosure Rating : General purpose.
• Switch Type : SPST Hermetically sealed reed switch, reversible for NO or NC.
• Electrical Rating : 20 VA: 0.17 A @ 120 VAC, 0.08 A @ 240 VAC.
• Mounting Orientation : F6-SS: vertical ±20°, F6-MHS/HPS: horizontal with index arrow pointing up or down.
• Weight : F6-HPS-11, 21: 1.23 oz (38 g), F6-MHS-31: 1.41 oz (40 g), F6-MHS: 3.35 oz (95 g), F6-SS: 1.59 oz (45 g).

Series F7

• Electrical Rating (Maximum) : F7-SB, -SS2 AC: 25 VA, 1.0A, 200 V DC: 10 W, 1.0 A, 200 V F7-PP, -BT, -HSS, -MHS AC: 25 VA, 1.0 A, 200 V DC: 10 W, 1.0 A, 200 V F7-HPS-1, -2 AC: 25 VA, 1.0 A, 200 V DC: 10 W, 1.0 A, 200 V (F7-HSS is rated explosion-proof for Class I, Groups A, B, C, D; Class II, Groups E, F, G; Class III).
• Mounting Connection : 1/8" NPTM (all vertical mount), 1/2" NPTM (F7-HPS-2, F7-HSS), M16 x 2 (F7-HPS-1), 1/2" x 13 thread (F7-MHS)
• Wire Leads : 22 AWG x 18" (46 cm), vertical mount models; 22 AWG x 39" (1 m), models F7-HPS-1, -2; 22 AWG x 24" (61 cm), models F7-HSS, -MHS.
• Magnet : Alnico (F7-SB, -PP, -BT, -HPS), ceramic (F7-SS2, -HSS, -MHS).
• Weight : 2 oz. (58 g), F7-SB; 1.2 oz. (34g), F7-SS2; 0.8 oz. (23 g), F7- PP; 0.7 oz.. (20 g), F7-BT; 1.5 oz. (43 g), F7-HPS-1; 2 oz. (57 g), F7- HPS-2 and -MHS; 3 oz. (94 g), F7-HSS.

Applications:

• Water level monitoring
• Oil level control
• Chemical level indication
• Sumps
• Stand pipes
• Tank level contro

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• Item Code: Series-F6-F7

Product Details:

The SERIES F6 & F7 compact level switches combine low cost and reliability with fast, simple installation. Hermetically sealed reed switches are actuated by magnets permanently bonded inside the float and can be easily adapted to open or close a circuit on rising or falling levels. Vertical mount models are shipped with normally open switch contacts which close as the float rises toward the mounting threads. Reverse switch action by removing the float, rotating it end-for-end and replacing it on the stem. Vertical models mount internally, oriented within 30° of vertical, or select optional fittings for external mounting. Switch ratings are suitable for many solid state control systems and monitors or alarms. Simple relay interfaces can be used for higher current applications.

Features:

• Combine low cost and reliability with fast, simple installation
• Hermetically sealed reed switches are actuated by magnets permanently bonded inside the float and can be easily adapted to open or close a circuit on rising or falling levels
• Easily reverse switch action by removing the float, rotating it end-for-end and replacing it on the stem
• Vertical models mount internally, oriented within 30° of vertical, or select optional fittings for external mounting
• Switch ratings are suitable for many solid state control systems and monitors or alarms
• Simple relay interfaces can be used for higher current applications

Applications:

• Water level monitoring
• Oil level control
• Chemical level indication
• Sumps
• Stand pipes
• Tank level control
• High viscosity liquids

Specification:

 

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• Item Code: SeriesF6-F7