PM400 explosion-proof pressure sensor

Pressure range: -100~ 20Kpa~ 100Mpa

Output signal: 4-20mA 0-5V 0-10V

Power supply: 12~ 24VDC

Accuracy:0.5%FS(default), 0.2%FS(Customized)

Working temperature: -20~ 80℃

Loading: 150%FS

Protect level: IP65

Explosion-proof grade: ExiaⅡCT6

Pressure type: gauge pressure, absolute pressure

Media Compatibility: Various fluid media compatible with 316L stainless steel


◎ Diffused silicon piezoresistive sensor 

◎ Rugged and sealed aluminum alloy junction box for outdoor installation 

◎ Suitable for pressure measurement of gas, liquid and steam 

◎ LED digital tube and LCD display 

◎ Intrinsically safe ExiaⅡCT6 certification, meeting explosion-proof requirements 

◎ Various styles, suitable for various occasions in industry 

◎ A variety of output signals are optional, which can be customized according to customer requirements 

◎ Passed the explosion-proof certification of the national explosion-proof electrical product supervision and inspection center


Pressure range-100~ 20Kpa~ 100Mpa
Accuracy0.5%FS(default), 0.2%FS(Customized)
Output signal4-20mA 0-5V 0-10V
Power supply12~ 24VDC
Compensation temperature-10~ 70℃
Operating temperature-20~ 80℃
Zero temperature drift0.5%FS(max)
Sensitivity temperature drift0.5%FS(max)
Loading150%FS
Mechanical vibration
20g(20-5000HZ)
Long-term stability≤0.2%FS/year
Shell materialShell low copper aluminum alloy; 304 stainless steel joint
Protection levelIP65
Explosion-proof gradeExiaⅡCT6
Media CompatibilityVarious fluid media compatible with 316L stainless steel


The pressure transmitter uses a high-performance pressure-sensitive chip that combines advanced circuit processing and temperature compensation techniques to convert pressure changes into linear current or voltage signals. The product is small in size, easy to install, and is insulated by a stainless steel case. It is suitable for measuring gas and liquid media compatible with the material of the contact part. It can be used to measure gauge pressure, negative pressure and absolute pressure. The hygienic (flush film) pressure transmitter is formed on the basis of the prototype of the universal pressure transmitter and is equipped with a welded sealing diaphragm structure. Its welded sealing isolating diaphragm device has a variety of different process connection structures, which are especially suitable for pressure measurement in high temperature, high viscosity, crystalline medium and easy to block, and also suitable for pressure measurement in sanitary and medical applications.

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