For the team here at CPI it’s been an exciting 2018. After a long period where companies large and small were discouraging capital investment, its safe to say that the military-industrial complex had largely recovered by 2018. We saw renewed investments in product development and design, and increased willingness by manufacturers of industrial equipment, to upgrade and expand their product offerings.
As a supplier of premier waterproof switches and unique linear position sensors, the good economic news has certainly trickled down into our supply chain. While our product line is diverse, we’ve seen an almost across the board uptick in design-ins across industries. in industry’s like oil and gas, we’ve seen renewed interest in our extreme duty linear position sensors. Our limit switches saw major design in’s Construction Vehicles, and military applications. And our thermal switches continue to find applications both inside and outside the military where only a reliable thermal switch will do. Here’s a few Highlights:
We continue to be amazed at the diversity of applications that our switches and sensors find themselves in. It seems that when you need a no-holds-barred solution to robust waterproof switching, there are actually very few good choices in the world…(-: Onward and Upward We want to thank all our customers in 2018 for continuing to support our USA made products and continuing to recognize the unique value and no compromises engineered products that we offer. And if you’re new to CPI, welcome. We look forward to new and interesting partnerships in 2019. Sincerely, Mac Stuhler Original content posted on https://www.cpi-nj.com/blog/make-the-switch-to-cpi-in-2019/ Engineers and procurement specialists at companies large and small deal with the challenge of part and product obsolescence each and every day. Typically it goes something like this: A subcontractor who make one or more critical parts for a larger machine or system, has gone belly up. The system is still deployed in the field and the cost and logistics of replacing it makes this option a complete non-starter. So when the sub-component breaks, spares become a problem very quickly. In another scenario, particularly in military equipment, the list of manufacturer’s able to supply a component has dwindled to a few or even just one (single source) As a result, than manufacturer has jacked up the price for their part from $15 per part to a whopping $785.27 per part. While that still may be a fraction of the cost of the system, it doesn’t make anyone happy to know they are paying a premium just because there is no competitive or qualified alternative. How CPI helps with Product Obsolescence Challenges. Solving product obsolescence challenges is seldom a matter of buying a different off-the-shelf item. It usually requires re-engineering, specialized design, and even re-qualification of the new sub-component and/or new solution. At CPI this is exactly what we’ve been doing for decades: taking our line of extreme duty electro-mechanical switches and sensors and making incremental changes to adapt them to new (or old) applications. It’s the bread and butter of our engineering competency. Here’s a couple examples of the kind of work we’ve done CPI Linear Position Sensor Hydraulic Retrofit Application In a heavy duty hydraulic cylinder application, Dupont had designed their system using Curtiss Wright linear position sensors (long stroke LVDTs) which have been discontinued. After discussions with our engineering team, Dupont chose our SL0390 as a replacement solution to monitor the stroke position on so called “intensifier cylinders.” These intensifiers are high pressure hydraulic devices that inject initiator into polyethylene autoclave reactors. They picked the SL0390’s for this application because it was easy to adapt their existing external mounting hardware to the SL0390 from the old LVDT sensors, which were about 24” long. According to the customer, the environmental conditions for the SL0390 installations are indoors and out of the weather, but not climate controlled so a level of robustness was a necessity. Per the Dupont Engineer, “The environment for these cylinders is industrial and often times hot and dirty just like any petrochemical plant along the Gulf Coast. We installed the first SL0390’s in June of last year (2017), and have been replacing others as the old LVDT’s fail on the other cylinders on the all of manufacturing units. To date, all installed SL0390’s are still in service and working properly.” We’re not surprised. The SL0390 sensor is built to take a licking. CPI Thermal Switch Retrofit on Chinook Helicopter When Sensata thermal switches used to monitor the hydraulic system on the Army’s Chinhook Helicopter became obsolete, CPI was chosen to replace these thermal switches. We were able to do it with small modifications to one of our own thermals. While the original switch was most similar to our AD096 bi-metal thermal switch, the 7/8″ mounting thread and ITT connector required were not part of our standard offering. With simple modifications, CPI created the AD192-502, a form, fit function replacement. Another consideration is that CPI can make these parts for small production runs, the kind that bigger companies won’t be bothered with. The above run was for 40 pcs, though CPI is fully able to scale production to thousands of parts per month out of our USA based manufacturing facility in East Hanover New Jersey. Retrofit and Obsolescence are Friends of Ours. We provide Form-Fit-Function replacement of switches and sensors in the following area’s
For over 70 years, our product line has succeeded in the worlds toughest application scenario’s. Call us today for more information. Original content posted on https://www.cpi-nj.com/blog/when-part-obsolescence-engineering-opportunity/ As oilfield engineering enjoys a resurgence of interest and investment, companies continue to look to advancements in technology to both reduce costs, and improve the safety of offshore drilling operations. In particular, active heave compensation systems use advanced hydraulic cylinders and accumulators to achieve a system that reduces the relative motion of the drill pipe and the seabed, improving both efficiency and safety. In the area of active heave compensation systems, CPI’s unique subsea position sensor is seeing deployment into these applications due to its unique versatility and durability. Specifically, manufacturers and system integrators specifying hydraulic cylinders and accumulators for active heave compensation, are finding that our ATEX and IEC-EX certified sensors are perfect for both subsea, and surface use, both inside and external to the hydraulics. Position Sensing in Heave Compensation Hydraulics is Absolutely Critical. Oilfield Applications which use the CPI advanced draw wire sensor include many different types of heave compensation systems. For most of these, the CPI SL-2000 Safety Rated Linear Position Sensor, is both a versatile, and a durable solution.
The CPI SL-2000, A study in Durability and Ingenuity Our solution to harsh duty hydraulic cylinder position detection is unique in the world, and is often the only practical solution to harsh environments, and long stroke cylinder applications. Here are a few of the characteristics of our robust sensor design.
Call CPI Today to discuss your Oilfield Hydraulics Position Sensing Needs Original content posted on https://www.cpi-nj.com/blog/heave-compensation-systems-for-offshore-drilling/ For well over a decade, CPI has been manufacturing a unique Hydraulic Cylinder Linear Position sensor, meant for the harshest environments, and longest stroke applications on the planet. We’ve learned a lot over that decade. We’ve not only improved the accuracy and durability of our sensor and made it ATEX and IECEX rated, but we’ve also driven costs down significantly.
That makes us think that folks we talked to in years past who ultimately tried other solutions, may want to take another look now. We’ve come a long way and this is not your mother’s linear position sensor. Improvements in Linear Position Sensing for Harsh Duty Applications. In case you are one of the few people in the country who do not read our blog regularly, there are a number of things about our hydraulic position sensor technology you need to be aware of. First of all, our system combines a patented mechanical draw wire design with a unique linear-rotary-linear translation mechanism coupled with (if you opt for it) a magnetostrictive transducer. What that means is you not only can’t kill our sensor, but the overall solution is now fully ATEX, SIL, and IECEX rated, making it suitable for any hazardous environment, especially drill platform applications. Here’s a few other characteristics of our latest version of the sensor, the SL-2000.
The Best Part In addition to technological advances in our sensor design which make it both more robust, and safety rated there is a further advantage to over a decade of improvements and field testing: the cost of producing our most advanced sensors has come down dramatically. So if you’re one of those hydraulic cylinder manufacturers who’s been limping along with a substandard solution to your most challenging deployments, why don’t you give us a call and get reacquainted with CPI? Original content posted on https://www.cpi-nj.com/blog/have-you-looked-at-cpi-linear-position-sensors-lately/ As any manufacturer of hydraulic cylinders, or linear position sensors will tell you, achieving intrinsic safety ratings of ATEX, or IECEx (European) isn’t easy. And it isn’t cheap.
But it is important and if you are considering ways to maximize your global market for your hydraulic cylinders or systems. Making sure your vendors are compliant with these standards is really a requirement. ATEX or IECEx certified products are essential in any location that may contain, or has activities that produce explosive or potentially explosive atmospheres. One of the most commonly touted is the environment on an oil rig. Others that you might not think of as being particularly explosive, such as a flour or steel mill. What’s the difference between ATEX and IECEx? The name ATEX comes from the French ATmosphère EXplosibles, describing the equipment and use of a product to be located in an explosive atmosphere. The ATEX certification is mandatory across Europe and involves all stages of a product from manufacturing, to installation and use of the equipment. There are two subsections of the standard which can be defined as; Directive 99/92/EC – The ATEX Use Directive focuses primarily on the health and safety of workers, working in potentially explosive atmospheres. It involves the correct selection, installation, inspection and maintenance of Ex equipment. Directive 2014/34/EU – The ATEX Equipment Directive primarily concerned with trade, considers the equipment that will be used in potentially hazardous areas and involves the manufacture and sale of Ex equipment. IECEx stands for International Electrotechnical Commission Explosive. While ATEX is limited to Europe, IECEx is an international certification accepted in several countries. It also facilitates international trade of equipment and services for use in explosive atmospheres. Some of the benefits in choosing a product that has IECEx certification include;
As with ATEX certification, IEC Ex provides assurance that everything from the equipment and install to manufacturing, operation and maintenance of the certified products comply with IEC international standards and are suitable for their purpose. Although there are some small differences between each certification, ATEX and IEC Ex are very similar. The main difference is the geographical location where the certification is recognized. While ATEX is a requirement in Europe, IEC Ex is accepted across several countries internationally including the USA. CPI Sensors are both ATEX and IECEx intrinsic safety rated. In 2017 CPI announced the SL2000 Linear position sensor which represented a number of firsts in the world of harsh duty hydraulic position sensors.
As we said in the beginning, it wasn’t cheap, and it wasn’t easy, but achieving this has made our sensor better, and more cost effective for deployments both above and below the sea. Whenever you need something that lasts. For more information on CPI’s Intrinsic Safety Ratings, and our SL2000 Linear Position Sensor, visit our website at http://www.cpi-nj.com Original content posted on https://www.cpi-nj.com/blog/why-intrinsic-safety-ratings-matter/ As Oil and Gas companies seek to expand and extend their retrieval capabilities both on and especially offshore, concerns about safety and exploration costs are never far from mind. Things have come a long way since the tragedy of Deepwater Horizon, and technology has marched on to provide more robust safety systems for offshore drilling, while keeping costs of exploration manageable. One area of particular innovation has been in the area of Blow Out Preventers (BOP) a critical safety system in deep water mining. Blowout preventers are critical to the safety of crew, the rig and environment, and to the monitoring and maintenance of well integrity. Blowout preventers are intended to provide fail-safe operation to the systems that include them by sealing the top of the wellbore in the event of an emergency. Indeed, many will recall that the in the Deepwater Horizon blowout, the pipe line going through the BOP was slightly bent and the BOP failed to cut the pipe, contributing to the accident. One unavoidable fact is that exploitable reservoirs of oil and gas are getting more and more rare and remote, leading to increased deep sea well exploration and requiring BOPs to remain submerged for as long as a year in extreme conditions. As a result, BOP assemblies have grown larger, heavier and more complex. A key focus in the technological development of BOPs over the last two decades has been limiting their footprint and weight while simultaneously increasing their safe operating capacity. Undersea BOP meets SubSea Rated Sensor Last year CPI introduced the SL-2000, a linear position sensor unique in the world for its capabilities at the extremes of machine requirements. The sensor has both intrinsic safety ratings and a subsea capability that make it a perfect match for the unique requirements of Oil and Gas exploration machinery, residing deep below the ocean surface. One of the key functions of a BOP is to be able to deliver and remove fluid from a wellbore. This fluid is not sea water, it is typically drilling fluid or “mud” pumped from a reservoir somewhere. Critical to these systems is the knowledge of liquid levels in these enormous tanks sitting on the sea floor, miles below the surface. It’s actually a perfect job for the CPI SL-2000 Subsea rated sensor. In this BOP application, our sensor is deployed on the seawater side of a hydraulic piston type cylinder that monitors the rise and fall of liquid in the tank. The sensor is entirely exposed to sea water sitting 2 miles below the surface, running fully submerged at a pressure within 10 psi of the ambient pressure. Specifications call for for our sensor to operate in seawater at up to 6000m depth or over 8800 psi. Operation at these depths, fully immersed in sea water is actually no problem for our patented sensor technology which is uniquely designed with materials that are non-compressible, and withstand corrosive seawater and hydraulic fluids alike. Our sensor can be mounted and operate fully submerged in virtually any type of fluid medium while maintaining robust operation and an extremely long life. In this undersea tank, a hydraulic piston extends and retracts with changing fluid levels in the tank. Our sensor is required to operate within 10 psi of the pressure outside the tank and supports a 5 meter cylinder stroke length. The ability to support these massive stroke lengths, at depth and pressure, submerged in sea water or hydraulic fluids are unique to the CPI design and we are the only manufacturer in the world with a technology designed to withstand all these conditions while also being both subsea and intrinsic safety rated. Long Stroke, Deep Sea Hydraulics Have Only One Real Solution to Linear Position SensingWith the SL-2000, hydraulics destined for Oil and Gas exploration applications finally have the robust linear position sensing they need. Call our sensor team today to discuss your unique application. Original content posted on https://www.cpi-nj.com/blog/subsea-sensors-detect-reservoir-tank-levels-2-miles-under-the-sea/ The environment in which the search for oil is conducted beneath the surface of the seas is ever changing and often treacherous. It changes constantly due to the ebb and flow of the surface of the water and operation during inclement weather can be particularly treacherous. In deep water drilling, floating drill vessels are used, which are moored over the site of the well with large amounts of drilling tubular goods suspended from the anchored drilling barge, which is in constant motion. This barge is often more than a thousand feet from the ocean floor where drilling is occurring. Uncompensated stresses which compromise connections to various loads or the wellhead itself, can result in millions of dollars of additional repair expenses, long periods of downtime, and environmental disaster. In these ocean drilling platforms, motion compensation systems (aka “heave compensation) are used to nullify the effects of ocean waves on the fixed and rotating drill string and bit, wellhead risers, or in other cases, crane head tension. Systems generally fall into two categories of either active or passive heave compensation systems with active being the more modern and sophisticated of the two. Some systems use a hybrid approach, relying on active to kick in for only the most rugged conditions. Each system typically relies on the operation of one or more hydraulic cylinders or accumulators which act as “springs” to keep the load at a constant level or tension. As a way of understanding the incredible responsibility of these systems, a good heave compensation system can keep a crane load steady to within a few centimeters, in heaving seas with 10-12 meter wave heights! The Role of Linear Position Sensors in Heave Compensation Hydraulics. In active heave compensation systems, hydraulic cylinders or accumulators are manipulated by control systems which drive or drain fluid from the cylinders in response to movement detected by an MRU (Motion Reference Unit). While there are a myriad of variations on heave compensation or riser/tensioner systems, most active systems will require closed loop feedback on the position of the shaft in a hydraulic piston or accumulator over what is typically a very long stroke length.. This is an essential data point for the control system that insures both safety, and the accuracy of the overall compensation. CPI’s New Solution To An Old Problem – The SL 2000 Hydraulic Linear Position Sensor CPI’s newest sensor, the SL2000, achieves a number of things that are critical to hydraulic cylinder manufacturers attempting to deploy on the drilling platform or under water at the wellhead or surface/sea edge. ATEX & IECEx certifications – With these certifications, the SL2000 demonstrates all necessary intrinsic safety qualifications for sanctioned deployments in hazardous or combustible areas. These certifications cover regulatory requirements in both the United States and Europe. Subsea Rated, Internal Mount Capable – The new design of the SL2000 uses a short rod magnetostrictive sensor to accurately report the position of our advanced drawwire sensor. The entire sensor can be completely submerged within hydraulic fluid inside the cylinder itself and supports standardized SEACON connectors with almost any desired voltage and current signaling. Our sensor has been qualified to 1 million cycles of operation at a pressure of 5000 ft in highly oxygenated seawater. Long Stroke Lengths – Unlike other mechanically based or long rod systems, our sensor operates standard for a stroke of 10 meters. Our sensor is one of the few successfully deployed on telescoping cylinders. Even longer custom stroke lengths are available through our customization program. Cost Effective – Advances in technology and design have made the SL2000 one of the most cost effective solutions for hydraulic cylinder position sensing in harsh duty environments. The bottom line is this: If you haven’t looked looked at CPI linear position sensors for oilfield, or subsea mining hydraulics lately, then you haven’t really looked at CPI linear position sensors at all. Call us today to discuss your application or visit us at https://www.cpi-nj.com Original content posted on https://www.cpi-nj.com/blog/motion-compensation-system-hydraulics-can-get-a-whole-lot-smarter/ Mining and earth-moving operations around the globe have inspired some of the largest, most powerful machines ever designed and built by man. These machines involve millions of parts and sub-assemblies and can weigh on the order of close to 500,000 tons. They are designed to be mobile too, and they are built to withstand the harshest, outdoor environments on the planet, while under almost constant use.
And the hydraulic systems these machines use…wow. They’re really, really big. One of the most innovative machines used in mining may be used for a technique known as Highwall Mining. In the old days, once surface mining had taken the majority of useful minerals from just below the surface, the law of diminishing returns dictated that as the machines moved farther and farther away from the core deposit where the density of target minerals became less, the economics of continuing full strip mining, or open pit mining become less and less attractive. Yet these area’s still contained millions of tons of useful raw material (typically coal). To drill directly into the “high walls” left by surface mining in an economic way, requires specialized equipment. Highwall mining is actually a hybrid of surface and underground mining technologies. It is a people-free, low footprint mining process which uses high power hydraulic cylinders as part of a Pushbeam Transfer System. In this system, high power hydraulic cylinders advance the cutterhead into the coal seam on the highwall. Every 6 meters, a new conveyor belt segment is inserted between the Pushbeam and the cutterhead, allowing it to advance another 6 meters before the next segment is inserted, etc… Use of this system constitutes a great improvement on traditional high wall mining techniques like auger mining because the pushbeam system can penetrate nearly 1600 feet into the coal seam, with much higher recovery. For a fascinating explanation of this marvel of mining engineering, see this video. Big Mining Hydraulics Need A Tough Linear Position Sensor Our end client is the the Addcar Company of Kentucky USA who designed and manufactures the Addcar Highwall mining system. The specifications of the hydraulic cylinders used on this intricate machine, are impressive to say the least. STROKE LENGTH: 19.8 feet (5.8 meters) WORKING PRESSURE: 200 bar (~3000 psi) HYDRAULIC POWER: 400 hp. To really understand the awesome power of these hydraulics, consider this: the hydraulic pushbeam system must be able to push the cutterhead up to 1600 feet into a solid wall of rock. It has to push the weight of hundreds of 6 meter conveyer segments as well as applying force to drive the cutterhead at the end of this chain, into the wall. Then it has to retract them all when the vein is fully dug. CPI Draw Wire Linear Position Sensor Solution The Hydraulics used in this system were retrofitted to accommodate our SL2000 linear position sensor, by designing a modified end-cap per CPI instructions for in-cylinder mounting. This extended end cap allowed the CPI sensor to fit in the cylinder with the head of the short rod transducer providing easy connectivity to standard electronic interfaces. The CPI SL2000 is a hybrid sensor, part high-tech draw wire, part magnetostrictive transducer. For our draw wire sensor, a stroke of 6 meters is no problem at all. Our SL2000 provides critical position feedback into this application, improving the overall reliability and operational control of the system. No other hydraulic cylinder linear position sensor in the world can reliably handle such long stroke lengths while maintaining such high reliability. Add to that our IEC-EX and ATEX intrinsic safety ratings, and the complete waterproof, pressure tolerant nature of our sensor assembly, and you have the perfect solution for position sensing in long stroke, high power hydraulics. CPI Hydraulic Linear Position Sensors Are Built To Last. Into the toughest applications in the world, go all our switches and sensors. It’s what we do. For more information, please contact the CPI engineering team directly through the website. Original content posted on https://www.cpi-nj.com/blog/position-sensing-hydraulics-in-highwall-mining-equipment/ Last year we discussed CPI sensor solutions for Oilfield hydraulic accumulators and cylinders, but in the fast-paced world of oilfield engineering, that was a long time ago.
For instance in 2016, CPI didn’t have a fully subsea capable (qualified to 5000ft), intrinsic safety rated (ATEX, IEC-EX) linear position sensor for hydraulic cylinders and accumulators. But now we do. Meet the CPI SL2000 The CPI SL2000 was specifically designed to meet the needs of heavy duty hydraulic system manufacturers, who seek robust, accurate, and reliable solutions to position or charge sensing in long stroke cylinders or accumulators. With a high-tech mechanical assembly and space-age material science, the CPI sensor surpasses the durability of all other sensor measurement technologies as well as other draw wire sensor technologies. For harsh duty internal or external cylinder applications, CPI’s technology may be the most hardened, reliable solution in the world. Marine Riser And Tensioner System Hydraulics Tensioner systems come in many designs but typically employ multiple hydraulic cylinders for stabilizers or the riser will buckle when the rig moves downward, and stretch when the rig rises. If you gather around the moon pool of any offshore rig or vessel during a storm you’ll see a riser/tensioner system hard at work. These systems use a bank of hydraulic accumulators to drive piston displacements in reaction to the heaving of a heavy sea. It is crucial that the tensioner can manage differential movements between the riser and the rig in real time to prevent shearing or undue stress on the wellhead. These huge and powerful accumulators are constructed using a gas and hydraulic fluid and can drive displacements from 10 to 15 meters. Using the SL 2000 in Oil Platform Hydraulics Because the core measurement technology of the sensor is mechanical draw wire, there are far less things to go wrong with a CPI sensor in a harsh environment. Furthermore the core sensing mechanics are incompressible allowing the sensor to operate inside the hydraulic cylinder, submersed in hydraulic fluid at full pressure. This kind of mounting flexibility makes for a clean integration into most cylinders and small external form factor for applications where a short magnetostrictive sensor is used as the transducer. A few other notes about our linear position sensor technology.
Riser Disconnect Sensing and Control CPI Sensors on the oil platform are also used provide critical feedback during a riser disconnect scenario. In this event, the riser must be disconnected before the rig is critically out of position with respect to the well head. Typically a tensioner ring employs six hydraulic accumulators with six valves controlled by the computer through signals from the valves and the CPI linear position sensor which is acting as the piston rod measuring system providing absolute (not relative) position measurement signals. Some systems are implemented with the cylinders mounted directly to the tensioner ring. In these systems, a riser disconnect detected by the CPI linear position sensor will cause the valve to limit the oil-flow and the riser will not gain momentum. The controlling system adjusts the position of the valves and the riser is brought up in a controlled way using input from CPI linear position sensors like the SL2000. Contact CPI for Questions About ATEX Rated, Subsea Capable, Harsh Duty Hydraulic Cylinder Position Sensors Our engineering team builds, installs, and qualifies these sensors uniquely into each application. Many options are available in the design of your sensor that can make it more robust, longer stroke, or even custom external mounting options for existing In-the-field cylinder applications. Please call our engineering team today to discuss your hydraulic accumulator based application or see all our harsh duty linear position sensors. Original content posted on https://www.cpi-nj.com/blog/marine-riser-and-tensioner-system-hydraulics-revisited/ CPI Internal Draw Wire Position Sensors Replace External Sensors in Oilfield Mast Raiser System.5/12/2017
If you’ve spent more than 5 seconds perusing the CPI Website, then you know that toughness and durability are the primary attributes of everything we make. Nowhere is this more apparent than in our newest SL2000MS, our hybrid design, long stroke linear position sensor for hydraulic cylinders and accumulators.
Our best clients for this technology are companies making long stroke hydraulics destined for some of the toughest environments in the world, and some of the toughest can be found in the world of Oil and Gas exploration both onshore and offshore. In these deployments 10 meter stroke lengths are common, often on telescoping or multistage hydraulic cylinders where achieving accurate position sensing is both extremely tough, and critically necessary. CPI SL2000 Deployed into Oil Rig Mast Raiser System Hydraulic cylinders deployed into oilfield mast raiser systems are going to be asked to endure some of the most challenging environments that hydraulic equipment will ever see on planet Earth. Temperature extremes, contamination, corrosive airbourne elements, and a demanding requirement that the actuator does not fail easily in service conspire to eliminate most position sensor technologies from consideration. Indeed, the cost of any downtime on an active rig is staggering, costing by some estimates, up to 1 million dollars a day. Recently CPI partnered with a major Hydraulic Cylinder Manufacturer to provide 6 of its SL2000 Linear Position Sensorsinto an oil industry mast raiser application for a land-based drilling platform. In this application, the CPI sensor replaces another company’s draw-wire sensor that could not survive in the application. In the mast-raiser system, double-acting telescopic cylinders are used which start out horizontally and move to a vertical orientation during operation. When considering a replacement sensor technology, our client initially considered rod type sensors but quickly eliminated this technology owing to a few important limitations.
The CPI SL2000 For Endurance and Flexibility Instead the CPI SL2000 was chosen for a number or reasons, offering a better overall solution that the previous sensor solution, or any existing rod type sensor.
CPI’s SL2000 Series represents an important breakthrough for long-stroke hydraulic cylinder position sensing. Leveraging years of magnetostrictive sensor development (the core sensing technology) while maintaining our patented hardened draw wire core, has substantially evolved the area of linear position sensor measurement for the worlds harshest, most extreme operating environments. Contact CPI today to discuss your need for harsh duty linear position sensors. Original content posted on https://www.cpi-nj.com/blog/Linear-Position-Sensor-Mast-Raiser-Hydraulics |
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