Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

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  • Φ19×14mm Temperature &Pressure  Integrated Sensor PC20
  • Φ19×14mm Temperature &Pressure  Integrated Sensor PC20
  • Φ19×14mm Temperature &Pressure  Integrated Sensor PC20
  • Φ19×14mm Temperature &Pressure  Integrated Sensor PC20

Φ19×14mm Temperature &Pressure Integrated Sensor PC20


With constant current and constant voltage excitation options

Imported highly reliable pressure die

Wide temperature compensation

Normalized output available

Compensation board filled with glue for protection against moisture

Φ19mm standard OEM

All 316L material

High performance, all solid, high reliability

18 months warranty period



Process control systems

Pressure calibration instruments

Refrigeration equipment and HVAC control

Hydraulic systems and valves

Level measurement

Biomedical instruments

Ships and navigation

Aircraft and avionics systems


PC20 temperature and pressure integrated sensor,China pressure sensor, wotian pressure sensor

PC20 temperature and pressure integrated sensor is designed with PT100 or PT1000. Nanjing Wotian Technology Co., Ltd is the Chinese manufacturer that produces the pressure sensors and transmitters. It sell 1,5 million pieces pressure sensors and transmitters to 70 countries per year.

Product Parameters

Electrical performance   parameters

Pressure   range


Pressure   reference

Gauge   pressure, Absolute pressure, Sealed gauge pressure


1.5mA recommended   for constant current

10V   recommended for constant voltage

Input   impedance

Constant   current: 2kΩ5kΩ

Constant   voltage: 3kΩ18kΩ

Electrical   connection

Gold-plated   KOVAR pin or silicon soft wire

Compensation   temp.

Constant   current: 060℃(≤70kPa),   -1070℃(other ranges);

Constant   voltage: -2085

Operating   temp.


Storage   temp.


Insulation   resistance


Response time

≤1ms (up to   90%FS)

Measured   medium

All the   liquids and gases compatible with 316L.

Mechanical   vibration

20g (205000Hz)


100g (10ms)

Service   life

10×106   (cycles)

Structural performance   parameters

Diaphragm   material


Housing material


Oil filling

Silicon oil

Sealing ring

NBR or fluorine rubber

Production process

PC20 Temperature and Pressure  Integrated Sensor


PC20 Temperature and Pressure  Integrated Sensor

Company profile


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.