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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  • PC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon Differential Pressure Sensor


Imported ultra-high stability differential pressure die

High accuracy and excellent stability

Static pressure error within ±0.15%FS/10MPa

Patented double overpressure protection diaphragm design

Unilateral overpressure limit of up to 40MPa

Constant voltage excitation

316L stainless steel all welded integrated structure

Positive and negative pressure symmetrical, no O-ring inside

With small flange kit



Differential pressure transmitter core component

      Differential pressure flow transmitter core component

PC90D monocrystalline silicon  differential pressure sensor, China pressure sensor, wotian pressure sensor

PC90D monocrystalline silicon  differential pressure sensor is a kind of differential pressure sensor designed

with overpressure protection function.Nanjing Wotian Technology Co., Ltd is a Chinese manufacturer that produces the pressure sensors and transmitters. 

Product Parameters

Performance   parameters



Operating temp.


Storage temp.


Output voltage


Zero temp. coefficient


Temp. hysteresis



Pressure hysteresis


Long-term drift





Static pressure impact


Diaphragm material

Stainless steel 316L

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.