ESS201 Intelligent Pressure Switch

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ESS201 Intelligent Pressure Switch

ESS201 Series Intelligent Pressure Switch is an intelligent digital-displayed product for pressure testing & controlling. It integrates functions of measuring, display, output and control all in one. It has a complete electronic structure. Oil-filled piezoresistive pressure sensor with diaphragm is applied in the front part. The output is processed by high-precision and low-temperature drift amplifier, then transformed by high-accuracy A/D converter into digital signal that could be processed by MPU(Micro Processor Unit).The processed signals control two switches then to test & control the pressure.

With flexible application, simple handling, easy debugging and high reliability, this product is widely employed to test & control the pressure of fluid medium in many industries including areas of hydroelectricity, city water, oil, chemical, machinery, hydraulic system etc


  • Pressure Range: -0.1~0~100Mpa
  • Display: 4-digit LED
  • Precision: 0.5%F.S
  • Stability: ≤2%F.S/Year
  • Power supply: 24V±20%
  • Ingress Protection: IP65
  • OEM: Available

Drawing & Specification


ESS201 Intelligent Pressure Switch drawing

Measuring rangeStabilityDisplayAccuracySwitch TypeWorking temperature
-0.1~0~100MPa≤0.2%/year4 digits±0.1%FSPNP,NPN-20~80℃
Power supplyLoading capacityResponseDisplay rangeSwitch LifetimeMedium Temperature
24V±20%<24V 1.2A≤5ms-1999~9999PNP,NPN-20~80℃

Click to download

  • General Instruction and Datasheet-ESS201 GID-1-EV01