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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  • PC24(WT22) Air Pressure Sensor
  • PC24(WT22) Air Pressure Sensor
  • PC24(WT22) Air Pressure Sensor
  • PC24(WT22) Air Pressure Sensor

PC24(WT22) Air Pressure Sensor

l  Piezoresistive silicon chip employed                                                                                                                                                                                                                                                                 

l  Without temperature compensation                                                                                                                                              


Medical application

l  Hospital and portable ventilator

l  Oxygen concentrators and O2 Therapy

l  Sleep apnea

l  Operating room

Industrial application

l  Environmental

l  Technology

l  Manufacturing

HVAC application

Heating Ventilating and Air Conditioning

PC24(WT22) air pressure sensor, China pressure sensor, wotian pressure sensor, pressure  sensor factory

PC24(WT22) pressure sensor is suitable for dry and non-corrosive air measuring. It is easy for mounting with PCB.Nanjing Wotian Technology Co., Ltd is a Chinese manufacturer that produces the pressure sensors and transmitters. 

Product Parameters

Pressure range

Pressure range

100Pa, 1kPa, 2kPa, 7kPa, 10kPa (bar and psi   unit available)

Pressure reference

Gauge pressure | Absolute pressure | Differential   pressure



Output signal




Accuracy (linearity,   repeatability and hysteresis)

±0.25%F.S. (≥10kPa) | ±1.5%F.S. (≤2kPa) | ±1%F.S.   (2kPa-10kPa)


1.5mA | 5VDC

Compensated temp.

Without temperature compensation

Operating temp.

0ºC -50ºC

Storage temp.

0ºC -85ºC

Input impedance


Long term stability


Housing material                                    




Production process




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.