Choosing Hydraulic Pressure Sensors for OEM Applications

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Selecting the Right Hydraulic Pressure Sensor

Every year, your mobile hydraulics customers must overcome a number of obstacles that threaten their operations: increasing material costs, unpredictable weather, government regulation, and unplanned equipment downtime. You can’t control many of these factors, but give customers the most reliable equipment possible to help them avoid downtime and additional costs. Choosing the right Hydraulic Pressure Sensors for your OEM applications is the only way to avoid unnecessary downtime and monitor system performance. After all, when a customer buys or rents equipment from you, the last thing they want is an inaccurate or failing Hydraulic Pressure Sensor shutting down production.

Hydraulic Pressure Sensors for OEM Applications in Construction, Mining  

In two specific mobile hydraulic industries, construction and mining, equipment faces many of the same challenges in the field. Making sure that you have the right Hydraulic Pressure Sensor is just part of your equipment design, but if it can’t handle the extreme conditions, then equipment could go down, production cease or working conditions become unsafe.

Criteria for selecting a Hydraulic Pressure Sensor

  • Long-Term Stability
    The performance of a Hydraulic Pressure Sensor or transmitter on day one is obviously important, but just as important is its performance in year two and three. You should look for an Hydraulic Pressure Sensor that’s proven under all conditions to ensure reliability.
  • Shock and Vibration 
    Construction and mining equipment gets put through a lot, with shock and vibration being ever present—even if it’s just the engine running. There are also many internal stresses such as changing loads and cavitation. Your Hydraulic Pressure Sensor should be able to absorb all of these impacts to remain reliable.
  • Pressure Spikes
    You can have huge pressure spikes when you open and close a valve. Also, large equipment may experience propagated waves of pressure that come back and hit the sensors. A cavitation dampening system (CDS) is used on WIKA’s MH2 Pressure Transmitter to prevent degradation from pressure spikes.
  • Electrical Interference
    EMI/RFI interference on a mining or construction site can cause signal instability and inaccuracy in electronic components of all types. You can spec a Hydraulic Pressure Sensor with high EMC protection to prevent this interference.
  • Temperature and Water Ingress
    Equipment using mobile hydraulic systems are typically exposed to environments ranging from the frozen tundra of Alaska to the deserts of Australia. These rapid temperature changes affect Hydraulic Pressure Sensors as they do any electronics. Most spec sheets may seem the same, but at WIKA, we do rigorous back-to-back testing on the same group of Hydraulic Pressure Sensors to ensure it can function in any environment and condition.

The same set of sensors goes through over 80 scenarios ranging from environment to mechanical and electrical tests to help give you non-stop performance—no matter what your equipment might face. We even test to make sure that our Hydraulic Pressure Sensors will prevent everyday water ingress from weather and operating environments as well as water ingress during high-pressure wash downs of your equipment.  

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