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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  • Temperature Sensor PCT400
  • Temperature Sensor PCT400
  • Temperature Sensor PCT400

Temperature Sensor PCT400


■ Anti-vibration

■ High strength, high pressure resistance

■ Integrated structure

■ Can ensure long-term stable work

■ Fast response

■ Easy to install, can ensure long-term stable work


■ Equipment matching

■ Pump and compressor, natural gas pipe network and other automatic temperature measurement and control system

■ Temperature measurement for the water or oil in the fields such as petroleum, chemical industry, electricity, light textile, environmental protection etc.

4-20mA Hart pump compressor temperature transmitter,PT100 Φ8mm gas pipe temperature transmitter with display

PCT400 temperature transmitter with display measures temperature range from -50℃ to 250℃ with 4-20mA hart output using PT100 as sensing element. Insertion depth from 30mm to 150mm, diameter 8mm. The Temperature sensor is applicable to pump, compressor, natural gas pipe network, water, oil, etc.

Product Parameters

Performance   parameters

Pressure   range


Supply   & output


420mAHART   protocol (1636VDC)



Sensitive   element

Pt100  Grade A

Insulation   strength


Response   time


Long-term   stability


Placement   diameter


Storage   temp.


Electrical   connection


Protection   grade




Maximum   mounting torque


Production process

Temperature Transmitter PCT400


Temperature Transmitter PCT400

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.