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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  • PCM320 Pressure Transmitter for Compressor(Diameter: Φ23.5mm)

PCM320 Pressure Transmitter for Compressor(Diameter: Φ23.5mm)


■ Compact structure, exquisite appearance

■ Digital circuit processing

■ High precision, high stability

■ Strong anti-interference, good long-term stability

■ Small size, light weight, easy installation and use

■ Wide measuring range, can measure absolute pressure, gauge pressure and sealed gauge pressure

■ Multiple process connection and electrical connection options

■ Suitable for mass production, economic and reliable


■ Hydraulic and pneumatic equipment

■ Chemicals and Chemical Industry

■ Compressor

■ Inkjet printer

China pressure transmitter,Wotian pressure transmitter,Pressure transmitter factory,Small size transmitter,Easy installation pressure transmitter,Compact integrated stainless steel structure pressure

China Wotian factory pressure transmitter designed with a compact integrated stainless steel structure, with various structures and output forms, featured with small size, light weight, easy installation and use, adaptable and stable performance, widely used in industrial automation equipment

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)



Hysteresis   & repeatability


Temp. drift


Response time

≤1ms (Up to 90%FS)


150%FS(≤60MPa), 120%FS(60~100 MPa)

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



Medium   compatibility

All media   compatible with stainless steel 304

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.