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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  • PCM303 Universal Pressure Transmitter

PCM303 Universal Pressure Transmitter


■ SS316L diaphragm structure

■ High accuracy, all stainless steel structure

■ Small size and light weight

■ Strong anti-interference, 

good long-term stability

■ Diversified formal structures, 

easy installation and use

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

■ Anti-vibration, shock resistance

■ Zero, full span adjustable

Applications and industries

■ Process control

■ Aerospace

■ Automobile and medical equipment

■ Pipeline system

Diffused silicon universal pressure transmitter,China pressure transmitter,Wotian factory pressure transmitter,Economic pressure transmitter,Strong anti-interference universal pressure transmitter

China Wotian factory economic pressure transmitter adopting diffused silicon pressure sensor as pressure sensing element and able to be directly connected with computer interface card, control instruments, intelligent meters or PLC conveniently, with extremely high vibration and shock resistance

Product Parameters

Performance   parameters

Pressure   range


Pressure   reference

Gauge   pressure, Absolute pressure, Sealed gauge pressure







Temperature   drift

35kPa:   ±2%FS(060

Other   ranges: ±1.5%FS(-2085

Response   time

≤1ms (Up   to 90%FS)


Refer to   Table for Pressure Range Selection

Service   life

≥10×106 pressure cycles

Ambient temperature


Medium   temp.


Storage   temp.



Immunity:   IEC 61000-6-2, Radiation: IEC 61000-6-3

Insulation   resistance


Vibration   resistance

Sine   curve: 20g, 25Hz2kHz; IEC 60068-2-6

Random:   7.5grms, 5Hz1kHz; IEC   60068-2-64

Shock   resistance

Shock:   200g/1ms; IEC 60068-2-27

Free   falling body: 1m; IEC 60068-2-32

Protection   grade


Medium   compatibility

All kinds   of media compatible with SS316L



Ex-proof   grade

Intrinsically   safe explosion-proof ExiaCT6 (only   for 420mA)

Net weight


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.