Waterproof Switches, Thermal Switches, And Linear Position Sensors For Extreme Environments.

Magnetostrictive sensors often fail in the kinds of environments our SL series thrives in: places where there is high vibration, long stroke lengths, high temperature, EMI and humidity. We are a drop-in replacement for these sensors. Read More

With sea swells of 20-50 feet common in deep water drilling operations, keeping on-board connections to the sea bed stable is a significant engineering challenge. CPI SL Series Linear Position Sensors excel in this application typically acting as pressure monitors for undersea hydraulic accumulators. Read More

In a hydraulic accumulator its all about pre-charge pressure. Our SL Series sensor is one of the few designs in the world that can reliably sense potential energy in the shaft under highly adverse conditions. Read More

When Lockheed-Martin designed the "Sea-Slice" naval interdiction vessel, our SL Series sensor was the best choice for position sensing in the rudder control hydraulics. Read More

Really long stroke length cylinders pose huge problems for the core drilled rod of traditional magnetostrictive position sensors. With the ability to measure a 10 meter stroke, our SL 1200 series may be the only fully robust solution for long stroke hydraulics in the industry. Read More

The hydraulic systems used on large diggers, loaders, cranes, and mining shovels are subject to tremendous forces and vibration, and huge hydraulic pressure. This environment is where our sensors were designed to live. Read More

The powerful hydraulic systems used on large diggers, loaders, cranes, and mining shovels are subject to tremendous forces, shock, vibration, and huge hydraulic pressure. This environment is where our sensors were designed to live. Read More

The integrity of risers and moorings are critical challenges in deepwater drilling operations. In applications like subsea accumulators, and hydraulic leveling jacks, CPI’s position sensors have the toughness and flexibility to protect millions of dollars of investment with reliable, accurate position sensing under harsh conditions. Read More

By bundling a hydraulic cylinder with one of our position sensors either internal or external, you create a "smart" hyraulic cylinder with many options for deployment. Read More

Really long stroke length cylinders pose huge problems for the core drilled rod of traditional magnetostrictive position sensors. With the ability to measure a 10 meter stroke, our SL 1200 series may be the only fully robust solution for long stroke hydraulics in the industry... Read More

To monitor the temperature of the Auxillary Power Unit in jet aircraft our M Series Thermal Switch is a perfect choice. 0 to 650F and DO-160C and MIL-STD-180 environmental compliance. Read More

High temperatures in the avionics bay of operating aircraft can cause the failure of critical components. A reliable thermal monitoring systems starts with a reliable sensor like our X1 series Read More

Used in both the high and low pressure bleed inlets our M Series Thermal Switch provides primary and redundant OT indication. 0 to 650F and DO-160C and MIL-STD-180 environmental compliance. Read More

Our X2 Thermal switch has the ability to sense up to 1750F coupled with fast response (as quick as 1/2 second) for reliable fire detection. Read More

Flight-qualified to DO-160C with temperatures ranging from 0F to 1750F, our X2 thermal switch can take the heat. Flexible connection options available. Read More

Large outdoor machines like farm combines or backhoe-loaders often create obstructed rear views for operators. Our E1 limit switches provide a tough, completely waterproof, backup alert system for triggering audible alarms of all sizes and current ratings. Read More

Our E1 Roller is used in the system that detects and corrects uneven bales. Our switches were chosen for their ability to withstand exposure to dust, moisture, and vibration. Read More

Combines, cotton harvesting -- On large machines, remote control from various locations; compact but extremely robust switch mechanisms allow the placement of pendant switches in harsh, unprotected locations. Read More

Powerful engines in outdoor equipment require reliable cooling fan control in a dirty, vibrational environment. Our AB Series "Rod & Tube" switches with their 1750F temperature range were the perfect choice. Read More

Thermal switches are stand-alone devices which do not require power to operate. AD Series are ideal in engine overtemp applications, with extremely high shock/vibration immunity thanks to the double-snap action mechanism. Read More

Hopper mechanisms tend to have a lot of variation over the life of the machine. Limit switches need to have lots of overtravel to absorb slop in these applications. Truly waterproof, E1 Series limit switches meet the demands of these applications. Read More

Where safety is a priority in harsh environments, totally sealed limit switches are a must. Gear / linkage compartment door open sensing demands the reliability of 100% funtion testing available for all E1 Series limit switches. Read More

Sensing the presence of an operator in the drivers seat of large combine equipment is an important safety control. Read More

Park brake engaged indication, where precise actuation point and robustness to open-cab environment are a must. Read More

Our Pendant controller is used on a cotton picking machine to "jog" the spindles when the operator clears the debris. Read More

Sealed and completely waterproof, our line of maintained contact pendant switches is a perfect solution to operation initiated safety shutdown. Read More

With temperatures ranging from 0F to 1750F, our X2 thermal switch never gets cooked. Flexible connection options available. Read More

Low profile and waterproof, choose between momentary or maintained on for reliable long-life service. Switches come with choice of individual wire leads or multi-wire cables. Read More

Operation Presence Detection (aka "Dead Mans Switch") is critical for initiating fail safe protocols and preventing maritime accidents. Our durable E1 limit switch is flexible enough to fit into almost any design profile. Read More

On manlifts, to ensure stabilizers or outriggers are properly deployed, CPI limit switches are a part of a system which indicates that all four outriggers are loaded. Our limit switches are also used to sense full retraction for transport mode. Read More

When Lockheed-Martin designed the "Sea-Slice" naval interdiction vessel, our SL Series sensor was the best choice for position sensing in the rudder control hydraulics. Read More

Our J4 series waterproof plunger switch was the go-to part when the US Navy needed a reliable switch to sense the opened/closed status of the torpedo door. Kind of critical, don't you think? Read More

Our waterproof switches with custom faceplates and mounting are a perfect solution to the momentary or maintained power cycling requirements of recreational boats or naval vehicles. Read More

Large outdoor machines like farm combines or backhoe-loaders often create obstructed rear views for operators. Our E1 limit switches provide a tough, completely waterproof, backup alert system for triggering audible alarms of all sizes and current ratings. Read More

Overheating large brake systems can occur on large equipment if operators are not alerted that their method of operation is too demanding. This can result in significant down time and brake rebuilds costing tens of thousands. In these instances, the very fast response time and high overshoot capability of our rod and tube switches are required. Read More

Skid steer loader manufacturers are particularly concerned with the reliability of safety-related components. Cab closed interlock is a classic application for our E1 Series, as these switches must withstand abuse from the worksite, weather and spay down. Read More

As with automobiles, construction equipment operators need to know if door are not properly closed. The difference is these machines see a much more challenging environment. Read More

As with automobiles, construction equipment operators need to know if door are not properly closed. The difference is these machines see a much more challenging environment. Read More

Our switch alerts drivers when the dump body is not in the fully-down position avoiding possible accidents where dump beds hit overhead structures. The switches are unprotected and subject to high-vibration and moisture. Read More

Panel mount design allows designers to easily incorporate this robust solution in completely exposed locations without concerns about long-term reliability. Read More

By bundling a hydraulic cylinder with one of our position sensors either internal or external, you create a "smart" hyraulic cylinder with many options for deployment. Read More

Since the beginning of drive-by-wire accelerator treadles, CPI has been specified for over the road trucks as a truly discrete idle validation switch. Long term reliability, high endurance and precise travel parameters are the challenges met by our E1 Series limit switches. Read More

All stainless steel construction coupled with totally submersible switch mechanisms make this the ideal control solution for unprotected areas. Read More

When out on a call, emergency personnel need their equipment to work - every time. CPI's door switches reliably light the way in firetruck and ambulance compartments. Read More

CPI Thermal Switches are stand-alone devices which do not require power to operate. AD Series are ideal in engine overtemp applications, with extremely high shock/vibration immunity thanks to the double-snap action mechanism. Read More

Panel mount design allows designers to easily incorporate this robust solution in completely exposed locations without concerns about long-term reliability. Read More

Interlock switches are everywhere! And for every interlock application, CPI has a robust solution. Whether the flexibility of the countless E1 Series bracket / actuator combinations is required, or the incredible J4 Series - the world's most rugged plunger switch - CPI has your interlock switch. Read More

To ensure stabilizers or outriggers are properly deployed, CPI limit switches are a part of a system which indicates that all four outriggers are loaded. Our limit switches are also used to sense full retraction for transport mode. Read More

Park brake engaged indication, where precise actuation point and robustness to demanding environment are a must. Read More

Reliable indication of low temps for systems vulnerable to the effects of temperature swings and resulting condensation, AD Series thermal switches turn on heaters in electronics enclosures, for example. Read More

Our bimetal limit switch products achieve temperature ranges up to 1750F while maintaining highly accurate programmable set points. Read More

Interlock switches are everywhere! And for every interlock application, CPI has a robust solution. Whether the flexibility of the countless E1 Series bracket / actuator combinations is required, or the incredible J4 Series - the world's most rugged plunger switch - CPI has your interlock switch. Read More

Drawing from three platform product lines - Snap disc (AD Series), Bimetal (M Series), and Rod and Tube (X Series), CPI has a broad range of overtemperature switch solutions, with set point capabilities up to 1,650F. Read More

Compact, submersible pendants are available in momentary and maintained configurations. Hook brackets, custom cables and coil cords available Read More

Roller lever actuator brackets are all stainless steel construction, and can be configured for infinite mechanical life. Basic switch mechanisms are available with extended life calibration (5 million cycles), and of course are completely submersible. Read More

In a world of "weatherproof", "water resistant", and "splashproof" switches … CPI offers a truly waterproof, totally submersible, line of switches with a wide variety of mouting /actuation options. Read More

For a Robust Temperature Switch application, a bimetal design still offers the most environmental hardness, with high accuracy and programmable set points. Read More

Drawing from three platform product lines - Snap disc (AD Series), Bimetal (M Series), and Rod and Tube (X Series), CPI has a broad range of over-temperature switch solutions, with set point capabilities up to 1,650F. Read More

Our B5 Momentary Closure switch is a perfect choice for torch activation owing to its sealed design and positive tactile feedback.. Read More

CPI J4 series plunger switches were selected by BAE Systems for this extremely harsh duty application after the repeated failures of other switch vendors. Our J4 plunger switch outperformed competitive devices by more than doubling the best endurance over a sand/dust/mud course. Read More

The double-snap action mechanism provides needed shock and vibration immunity called for in military vehicle applications. Waterproof design combinded with mil connectors were specified. (AMG HMMWV) Read More

Classic example of custom E1 bracket and actuator, built off our mil-grade basic switch products. Mil connectors and wire markers specified. (AMG HMMWV) Read More

The double-snap action mechanism provides needed shock and vibration immunity called for in military vehicle applications. Waterproof design combinded with mil connectors were specified. Read More

Encapsulated in neoprene rubber, this products meet the requirements of MS39058. B2 Series specified in gun firing controls (M1). Read More

Low profile combined with all-steel robust construction and 100% waterproof construction make this the go-to solution for field applications (various gun mount applications) Read More

Automotive grade ball switches cannot meet the environmental demands here - contaminates jam ball actuator in down position, whereas CPI patented ball carrier design prevents jamming under the harshest conditions. (various programs) Read More

Low profile combined with all-steel robust construction and 100% waterproof construction make this the go-to solution for field applications (various ptt applications) Read More

Harsh vibration environment combined with high temp overshoot and rapid response time drove this application. X Series thermal switches ensure system users can active smoke generator when required heat is available. Read More

Our J4 series waterproof plunger switch was the go-to part when the US Navy needed a reliable switch to sense the opened/closed status of the torpedo door. Kind of critical, don't you think? Read More

Our switch alerts drivers when the dump body is not in the fully-down position avoiding possible accidents where dump beds hit overhead structures. The switches are unprotected and subject to high-vibration and moisture. Read More

With sea swells of 20-50 feet common in deep water drilling operations, keeping on-board connections to the sea bed stable is a significant engineering challenge. CPI SL Series Linear Position Sensors excel in this application typically acting as pressure monitors for undersea hydraulic accumulators. Read More

E1 Series roller lever limit switches are specified here for their environmental robustness and precise, repeatable travel parameters. The switch is actuated by a cam which rotates as the bucket returns to the dig position. Read More

It takes huge hydraulic force to pump tons of mud off the sea bed. That’s why only our LVDT based linear position sensors were considered tough enough for this mission critical undersea hydraulic accumulator application. Read More

The integrity of risers and moorings are critical challenges in deepwater drilling operations. In applications like subsea accumulators, and hydraulic leveling jacks, CPI’s position sensors have the toughness and flexibility to protect millions of dollars of investment with reliable, accurate position sensing under harsh conditions.” Read More

Some large Genset's (High power electrical Generators) used on oil rigs and power stations trust our J4 series plunger to regulate cooling air in these ultra high pressure, high temperature environments. Read More

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With sea swells of 20-50 feet common in deep water drilling operations, keeping on-board connections to the sea bed stable is a significant engineering challenge. CPI SL Series Linear Position Sensors excel in this application typically acting as pressure monitors for undersea hydraulic accumulators.

Monitoring the movement of pistons in these huge shock absorbers over millions of strokes is a challenge easily met by our SL1500 long stroke position sensors. Non-contacting LVDT core technology has no wear points, and these sensors have redundant power springs which are specified well within their stress threshold. Mounted within a fluid-filled pressure vessel ensures long term reliability in this demanding environment. Read More

The integrity of risers and moorings are critical challenges in deepwater drilling operations. In applications like subsea accumulators, and hydraulic leveling jacks, CPI’s position sensors have the toughness and flexibility to protect millions of dollars of investment with reliable, accurate position sensing under harsh conditions. Read More

It takes huge hydraulic force to pump tons of mud off the sea bed. That’s why only our LVDT based linear position sensors were considered tough enough for this mission critical subsea hydraulic accumulator application.

Mission-critical valve actuation requires more than just point sensing. System designers of subsea valve actuators are able to incorporate redundant internally-mounted SL Series sensors to ensure reliable, accurate indication of valve state. Read More

The kind of large generator sets (Gensets) used as power substations or on offshore oil platforms require critcal air cooling regulated by our J4 Series limit switch in order to keep running. Read More

Reliable overtemperature sensing in wind turbines calls for the close tolerance of our M2 Series hermetically sealed thermal switches - electronics enclosures, bearings, transmissions. Read More

Gate valve actuators with long strokes are particularly challenging for rod-type sensors. Gun drilling is expensive,and horizontal orientation causes the rod to sag leading to the probe bing crushed. SL Series sensors with external mount still operate completely inside the pressurized hydraulic environment, with virtually no change to the cydlinder design. Read More

Combines, cotton harvesting -- On large machines, remote control from various locations; compact but extremely robust switch mechanisms allow the placement of pendant switches in harsh, unprotected locations. Read More

Exposure to weather, wash down and the need for long-term reliability make our completely waterproof E1 Series switches the ultimate interlock switch for operator presence applications. Read More

Exposure to weather, wash down and the need for long-term reliability make our completely waterproof E1 Series switches the ultimate interlock switch for turf equipment applications. Read More

Exposure to weather, wash down and the need for long-term reliability make our completely waterproof E1 Series switches the ultimate interlock switch for turf equipment applications. Read More

Exposure to weather, wash down and the need for long-term reliability make our completely waterproof E1 Series switches the ultimate interlock switch for turf equipment applications. Read More