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Capacitance Pressure Sensor

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  • Pressure medium:gas or liquids compatible with316L
  • Pressure range:-100...0kPa~1.6kPa...40000kpa
  • Output signal:capacitive signal or 4~20mA
  • Pressure type:gauge(G), absolute(A), differential(D)
  • Accuracy:±0.1%FS, ±0.2%FS
  • Diaphragm material:316L, option: Hastelloy-C, Tantalum or Monel
  • Electrical interface:5 wires of differential capacitive signal and temperature signal
  • Operating temperature range:-40~+100℃
  • Filled oil:silicone oilsystem pressure:10MPa for differential pressure
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Capacitance Pressure Sensor Introduction

Capacitive pressure sensors measure changes in electrical capacitance caused by the movement of a diaphragm. A capacitor consists of two parallel conducting plates separated by a small gap. One of the plates acts as the diaphragm that is displaced by the pressure, changing the capacitance of the circuit.

Capacitance Pressure Sensor Feature


  • All welded structure, suitable for measuring many kinds of media;


  • Isolated diaphragm material: 316L, Hustelloy-C, Monel, Tantalum;

  • Measuring ranges: 100 -0kPa-1.6kPa …40Mpa;


  • System pressure up to 312bar for differential applications;

  • Pressure type gauge pressure absolute pressure, micro differential pressure and differential pressure;




Capacitance Pressure Sensor Specification 


pressure mediumgas or liquids compatible with316L,Hastelloy C,Tantalum or Monel
pressure ranges-100...0kPa~1.6kPa...40000kpa
pressure typegauge(G), absolute(A), differential(D)
system pressure10MPa for differential pressure, 4MPa for micro differential pressure                                                 32MPa for high system pressure differential pressure,
output signalcapacitive signal or 4~20mA
accuracy±0.2%FS(standard),0.5%FS
long-term stability<0.2%FS/year
system pressure effect on zero0.5%FS
operating temperature range-40~+100℃
storage temperature range-40~+120℃
temperature coefficient of zero0.25%FS/55℃
temperature coefficient of span0.5%FS/55℃
insulation resistance500MΩ@100VDC
diaphragm material316L, option: Hastelloy-C, Tantalum or Monel
electrical interface5 colored PVC wires of differential capacitive signal and temperature signal                                             2 colored PVC insulated wires of 4~20mA current loop
filled oilsilicone oil

-Manuals

Capacitance Pressure Sensor

-Data sheet


Capacitance Pressure Sensor Application

 Automobile, Compressor and Refrigeration Industry


- Engineering machinery

- Pressure control and monitor

 - Water treatment system

- Hydraulic and Pneumatics

- HAVC and BAS Control

- Pump, fitness equipment, household appliances

- Factory Automation

- Fluid Control and Instrumentation Systems 

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