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Gems Sensors - On Sale Now! Save up to 3%


On Sale! Up to 3% off on Gems Sensors products at In The National Interest. Hurry! Limited time offers. Offers valid only while supplies last.



Gems Sensors 01701 Buna N Float Single Point Rugged Compact Alloy Level Switch with Brass Stem and Mounting, 1'' Diameter, 1/8'' NPT Male, 9/16'' Actuation Level, Normally Open
Gems Sensors 01701 Buna N Float Single Point Rugged Compact Alloy Level Switch with Brass Stem and Mounting, 1" Diameter, 1/8" NPT Male, 9/16" Actuation Level, Normally Open
In Stock
$43.00

mpn: 01701,

Gems single point level switch with brass stem and mounting. Rugged durability. Broad heat and pressure capabilities. Ideal for shallow tanks or restricted spaces, or for low-cost, high volume use. Offer broad chemical compatibility for general purpo...


Gems Sensors 209377 General Purpose Mini Pressure Switch with Zinc-Plated Steel Fitting, 125/250V, 1000-3000 psi Pressure, 1/4'' NPT Male, SPDT Circuit
Gems Sensors 209377 General Purpose Mini Pressure Switch with Zinc-Plated Steel Fitting, 125/250V, 1000-3000 psi Pressure, 1/4" NPT Male, SPDT Circuit
In Stock
$81.00

mpn: 209377,

These versatile general purpose switches with snap action microswitches can be used in a wide range of hydraulic and pneumatic applications. Their proven piston/ diaphragm design offers outstanding accuracy over a very wide pressure range with an out...


Gems Sensors 01755 316 Stainless Steel Float Single Point Rugged Compact Alloy Level Switch, 1-1/32'' Diameter, 1/8'' NPT Male, 37/64'' Actuation Level, Normally Open
Gems Sensors 01755 316 Stainless Steel Float Single Point Rugged Compact Alloy Level Switch, 1-1/32" Diameter, 1/8" NPT Male, 37/64" Actuation Level, Normally Open
In Stock
$86.00

mpn: 01755,

Gems single point level switch. Rugged durability. Broad heat and pressure capabilities. Ideal for shallow tanks or restricted spaces, or for low-cost, high volume use. Stainless steel is generally recognized as safe (GRAS) with FDA for food contact ...


Gems Sensors 224503 Polysulfone Float Rugged Electro-Optic Single Point Level Switch with 6'' Lead Wire Length, 1/2''- 20 UNF-2B, 12V DC, Wet
Gems Sensors 224503 Polysulfone Float Rugged Electro-Optic Single Point Level Switch with 6" Lead Wire Length, 1/2"- 20 UNF-2B, 12V DC, Wet
In Stock
$74.00

mpn: 224503,

The represents Gems smallest electro-optic level sensors developed to monitor a broad range of media including OHV type fluids. UL approved design features a TPE over-molded electronics insert, TPE insulated wires, and fluorocarbon O-ring seals that ...


Gems Sensors FS-150 Series Polypropylene Flow Switch with Low Pressure Drop, Inline, Piston Type, Normally Closed, 1 gpm Flow Setting, 1/2'' NPT Male
Gems Sensors FS-150 Series Polypropylene Flow Switch with Low Pressure Drop, Inline, Piston Type, Normally Closed, 1 gpm Flow Setting, 1/2" NPT Male
In Stock
$89.00

mpn: 129667,

FS-150 Series - Straight Flow Path with Low Pressure Drop. These slim, inline switches reduce pressure drop to a minimum. They incorporate a unique, dual-diameter, internal bore and piston configuration to minimize flow constriction. Liquids are able...


Gems Sensors 131100 Polypropylene Float Small Size Type 5 External Mounting Single Point Level Switch, 11/16'' Diameter, 1/2'' NPT Male
Gems Sensors 131100 Polypropylene Float Small Size Type 5 External Mounting Single Point Level Switch, 11/16" Diameter, 1/2" NPT Male
In Stock
$36.00

mpn: 131100, ean: 0713141187621,

Gems Polypropylene float single point level switch with type 5 internal mounting. Ls-7 series compact side mounts are the solution to many small tanks. These low-cost units are ideal for high volume use in small tanks and vessels. Engineered plastics...


Gems Sensors 128500 304 Stainless Steel Float Single Point Level Switch, 29/32'' Diameter, 3/4'' NPT Male, 3-3/16'' Actuation Level, 20VA, SPST/Normally Close, Dry, 3 Pin Quick Disconnect Receptacle
Gems Sensors 128500 304 Stainless Steel Float Single Point Level Switch, 29/32" Diameter, 3/4" NPT Male, 3-3/16" Actuation Level, 20VA, SPST/Normally Close, Dry, 3 Pin Quick Disconnect Receptacle
In Stock
$79.00

mpn: 128500,

Gems 304 Stainless steel float single point level switch. Overfill protection for refrigerant tanks. The LS-700F enables safe compliance with EPA directives to recover refrigerants. These units are designed to fit standard 30# and 50# D.O.T. approved...


Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 1 gpm Flow Setting, 1/4'' NPT Female
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 1 gpm Flow Setting, 1/4" NPT Female
In Stock
$104.00
$101.65
You Save: 2%

mpn: 70824,

FS-927 Series – Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OE...


Gems Sensors 165570 Nylon Float Small Size Type 3 Internal Mounting Single Point Level Switch, 11/16'' Diameter
Gems Sensors 165570 Nylon Float Small Size Type 3 Internal Mounting Single Point Level Switch, 11/16" Diameter
In Stock
$38.00

mpn: 165570, ean: 0013227001316,

Gems Nylon float single point level switch with type 3 internal mounting. Ls-7 series compact side mounts are the solution to many small tanks. These low-cost units are ideal for high volume use in small tanks and vessels. Engineered plastics constru...


Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.25 gpm Flow Setting, 1/4'' NPT Female
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.25 gpm Flow Setting, 1/4" NPT Female
In Stock
$104.00
$101.65
You Save: 2%

mpn: 70821, ean: 0013227001200,

FS-927 Series – Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OE...


Gems Sensors 43760 Buna N Float Bracket Mounted Slosh Shield Single Point Level Switch, 1-7/8'' Diameter, 1-3/8'' Actuation Level, 20VA, SPST/Normally Close
Gems Sensors 43760 Buna N Float Bracket Mounted Slosh Shield Single Point Level Switch, 1-7/8" Diameter, 1-3/8" Actuation Level, 20VA, SPST/Normally Close
In Stock
$150.10

mpn: 43760,

Gems Buna N float bracket mounted slosh shield single point level switch. Small, lightweight, and extremely stable in nonstatic, highly contaminated liquids. Slosh shielding minimizes effects of turbulence and helps prevent interference by foreign ma...


Gems Sensors 142505 Polypropylene Float Single Point Highly Reliable Compact Level Switch, 1'' Diameter, 1/8'' NPT Male, 13/16'' Actuation Level
Gems Sensors 142505 Polypropylene Float Single Point Highly Reliable Compact Level Switch, 1" Diameter, 1/8" NPT Male, 13/16" Actuation Level
In Stock
$34.00

mpn: 142505, ean: 0013227004638,

Gems Polypropylene float single point level switch. Offers high reliability, compact size and low cost. Ideal for shallow tanks or restricted spaces, or for any low-cost, high volume use. Stem and mounting made of polypropylene. Features a low specif...


Gems Sensors 3R2C0 316 Stainless Steel General Purpose Probe, 1/4'' NPT Male, 2' Length
Gems Sensors 3R2C0 316 Stainless Steel General Purpose Probe, 1/4" NPT Male, 2' Length
In Stock
$35.36
$35.17

mpn: 3R2C0,

Gems probes are metallic rods with threaded ends that screw into a fitting that extends vertically down into the liquid. Series 3R: 1/4" (0.64 cm) threaded rod. 2' probe length. 1/4" NPT male.Series 3R probes are metallic rods with threaded end. For ...


Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 0.5 gpm Flow Setting, 1'' NPT Female
Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 0.5 gpm Flow Setting, 1" NPT Female
In Stock
$203.00
$200.55
You Save: 1%

mpn: 27051,

The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low. T...


Gems Sensors A2014-C204 303 Stainless Steel General Purpose Solenoid Valve, 200 psig Pressure, 0.090 Cv, 5/64'' Orifice, 24 VDC Voltage
Gems Sensors A2014-C204 303 Stainless Steel General Purpose Solenoid Valve, 200 psig Pressure, 0.090 Cv, 5/64" Orifice, 24 VDC Voltage
In Stock
$42.00

mpn: A2014-C204,

Gems A Series sensors and controls solenoid valve gives highly adaptable design for practically all applications requiring flow between CV 0.090. This robust 2 way miniature solenoid utilizes a stainless steel body to resist corrosion for most acids,...


Gems Sensors RFS Series Polypropylene Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 1.5-20.0 gpm Flow Setting Adjustment Range, 1/2'' NPT Female
Gems Sensors RFS Series Polypropylene Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 1.5-20.0 gpm Flow Setting Adjustment Range, 1/2" NPT Female
In Stock
$212.00
$207.99
You Save: 2%

mpn: 155485, ean: 0013227004676,

Flow Set Point Switching - RFS Types. Combines visual confirmation of flow with dynamic, electronic switch operation. Easy, adjustable switch point calibration: a local LED signals when set point is reached. RotorFlow Switches build an extra level of...


Gems Sensors 01702 Buna N Float Single Point Rugged Compact Alloy Level Switch with 316 Stainless Steel Stem and Mounting, 1'' Diameter, 1/8'' NPT Male, 9/16'' Actuation Level, Normally Open
Gems Sensors 01702 Buna N Float Single Point Rugged Compact Alloy Level Switch with 316 Stainless Steel Stem and Mounting, 1" Diameter, 1/8" NPT Male, 9/16" Actuation Level, Normally Open
In Stock
$76.00

mpn: 01702,

Gems single point level switch with 316 stainless steel stem and mounting. Rugged durability. Broad heat and pressure capabilities. Ideal for shallow tanks or restricted spaces, or for low-cost, high volume use. Offer broad chemical compatibility for...


Gems Sensors 191080 Noryl Float Small Size Type 12 Internal Mounting Single Point Level Switch, 11/16'' Diameter
Gems Sensors 191080 Noryl Float Small Size Type 12 Internal Mounting Single Point Level Switch, 11/16" Diameter
In Stock
$43.00

mpn: 191080,

Gems Noryl float single point level switch with type 3 internal mounting. Ls-7 series compact side mounts are the solution to many small tanks. These low-cost units are ideal for high volume use in small tanks and vessels. Engineered plastics constru...


Gems Sensors 174200 LS-1700TFE Series Level Switch
Gems Sensors 174200 LS-1700TFE Series Level Switch
In Stock
$266.00
$257.32
You Save: 3%

mpn: 174200,

A medium-size solution for ultra-pure liquid level sensing. Made of corrosion resistant PTFE for low particle generation.Minimum Liquid: 0.86. Stem Material: Teflon. Float Material: Teflon. Mounting Size: 1/8" NPT Male. Mounting: Vertical. ...


Gems Sensors 224506 Polysulfone Float Rugged Electro-Optic Single Point Level Switch with 6'' Lead Wire Length, 1/4'' NPT Male, 12V DC, Wet
Gems Sensors 224506 Polysulfone Float Rugged Electro-Optic Single Point Level Switch with 6" Lead Wire Length, 1/4" NPT Male, 12V DC, Wet
In Stock
$74.00

mpn: 224506,

The represents Gems smallest electro-optic level sensors developed to monitor a broad range of media including OHV type fluids. UL approved design features a TPE over-molded electronics insert, TPE insulated wires, and fluorocarbon O-ring seals that ...



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