Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 17 years.

Keywords: Nanjing WotianPressure Sensor FactoryMonocrystalline Silicon Differential Pressure SensorLevel TransmitterPressure TransmitterPressure Sensor

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  • PC33 High-Stability Pressure Sensor

PC33 High-Stability Pressure Sensor


Imported MEMS monocrystalline silicon pressure die

High accuracy and excellent overpressure resistance

High performance, all solid state, high reliability

316L stainless steel all welded

integrated structure

Gauge pressure type applicable to negative pressure measurement


Provide OEM for industrial transmitter manufacturers

Product Parameters


Performance   parameters


Constant   voltage

Operating   temp.


Storage   temp.


Output   voltage


Zero   temp. coefficient


Temp.   hysteresis

±0.1%FS(Range≥10kPa); ±0.5%FS(Range<10kPa)

Pressure hysteresis


Long-term   drift

±0.05%FS /   Year


±0.5%FS(Range≥10kPa); ±1.5%FS(Range<10kPa)

Max.   overpressure

See   “Pressure range selection” below.

Diaphragm   material

Stainless   steel 316L, Hastelloy C

Production process

PC33 High-Stability Pressure Sensor


PC33 High-Stability Pressure 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.