Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

Keywords: pressure sensor manufacturerHydraulic pressure sensorwater pressure sensorgas pressure transmitterdifferential pressure transmittergas pressure sensorwater pressure transmitteroil pressure sensorlevel sensorPressure transducerNanjing WotianPressure Sensor FactoryDifferential Pressure SensorLevel TransmitterPressure Transmitter

You are here: WT Home > Products > Flush diaphragm pressure sensor

  • PCM350 Flush Diaphragm Pressure Sensor
  • PCM350 Flush Diaphragm Pressure Sensor

PCM350 Flush Diaphragm Pressure Sensor


■ 316L flush diaphragm structure adopted for pressure connection

■ Sanitary, anti-fouling

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

■ Good seal, long-term stable work

■ With cooling fans, excellent performance for high temperature medium application

■ Optional output signal, can be customized


■ Occasion with easy block, high sanitary requirement and convenient cleaning such as medicine and health care, food, liquor-making, dairy and drinks

■ Environmental protection chemical coating, polyurethane equipment, paint detection system etc.

Diffused silicon flush pressure transmitter,Silicone flush pressure transmitter,Olive oil pressure transmitter,Sanitary flush pressure transmitter,Health care and food industry pressure transmitter

China Wotian factory sanitary flush pressure transmitter adopting flush diaphragm to directly receive pressure signal, taking diffused silicon pressure sensor as sensitive element and using standard silicon or olive oil as pressure transfer medium, with compact structure, corrosion resistance

Product Parameters

Performance   parameters

Pressure   range


Pressure   reference

Gauge pressure,   absolute pressure, sealed gauge pressure

Supply &   output

420mA   (1230VDC)

05V,   15V,   0.54.5V,   010V   (1224VDC)



Hysteresis & repeatability


Temperature drift

1.5%FS   (@-20℃~85)

Response   time

1ms   (up to 90%FS)

Service   life

10×106 pressure cycles

Operating   temp.


Storage   temp.


Medium   temp.

-4085 (without cooling fans)

-40150 (with 3 cooling fans), -40℃~250 (with 5 cooling fans)

Insulation   resistance


Vibration   resistance

Sine   curve: 20g, 25Hz2kHzIEC 60068-2-6

Random: 7.5grms,   5Hz1kHzIEC   60068-2-64



Medium   compatibility

All the   media compatible with stainless steel 316L



Production process

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor


PCM350 Flush Diaphram Pressure Sensor

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor mkanufacturing enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors". It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon pressure sensor pressure transmitter, level sensor and temperature sensor and existing staff 305. The annual production of pressure sensors is more than 2 million. The products have been exported to more than 70 countries and regions. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019. "Creating value for customers" is the goal that enterprises always pursue. As leading manufacturer in the domestic pressure sensor industry, the company will revitalize China's pressure sensor business as its own responsibility, work diligently, step by step, strive to make pressure sensors better, and provide customers with cost-effective sensors.  Nanjing Wotian Technology Co., Ltd. has passed ISO9001-2015 quality management system certification and TS16949 certification for the automotive industry.

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.