Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 15 years.

Keywords: Nanjing WotianPressure Sensor FactoryMonocrystalline Silicon Differential Pressure SensorLevel TransmitterPressure TransmitterPressure Sensor

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  • PCM390 Universal Pressure Transmitter

PCM390 Universal Pressure Transmitter


■ Compact structure

■ Digital circuit compensation

■ Strong anti-interference, good long-term stability

■ Small diameter, small size, easy to install and use

■ Can measure absolute pressure, gauge pressure and sealed gauge pressure

■ A variety of electrical connections

■ Liquid contacting diaphragm 316L

■ Suitable for mass production


■ Air compressor

■ Hydraulic and pneumatic equipment

■ Servo valves and drive

■ Air conditioning systems

■ Piping systems

China universal pressure transmitter,Wotian factory universal pressure transmitter,small diameter transmitter,small size pressure transmitter,WTsensor compact structure universal pressure transmitter

China Wotian factory universal pressure transmitter with digital circuit compenstion, small diameter and compact structure, specially designed for small and medium equipment applications such as booster pumps and air compressors, applicable to a wide range of industrial applications in small space

Product Parameters

Performance   parameters

Pressure   range


Pressure   reference

Gauge   pressure, Absolute pressure, Sealed gauge pressure

Supply & output

4~20mA, 0~5V, 0~10V (12~30VDC)

0.5~4.5V R/M(5VDC)


±0.5%FS(typ.); ±1%FS(max.)

Hysteresis   & repeatability


Temp. drift


Response time


Service   life

≥10×106   pressure cycles

Ambient   temp.


Medium temp.


Storage temp.



IEC 61000-6-3


IEC   61000-6-2

Insulation   resistance


Vibration   resistance

Sine curve: 20g, 25Hz~2kHz;   IEC 60068-2-6

Random: 7.5grms, 5Hz~1kHz; IEC 60068-2-64

Shock   resistance

Shock: 200g/1ms; IEC 60068-2-27

Free fall: 1m; IEC 60068-2-32




Liquid   contacting part: ASTM S31603 (AISI316L)

Housing: ASTM S30400 (AISI304)

Electrical   connection: PA66

Net weight


Size of hexagon


Company advantage

Mass production

We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.

Imported equipments

We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.

Informatization management

We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.

Comprehensive testing

We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.