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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  • PCM3051S-LT Intelligent Flange Pressure Transmitter
  • PCM3051S-LT Intelligent Flange Pressure Transmitter
  • PCM3051S-LT Intelligent Flange Pressure Transmitter
  • PCM3051S-LT Intelligent Flange Pressure Transmitter
  • PCM3051S-LT Intelligent Flange Pressure Transmitter

PCM3051S-LT Intelligent Flange Pressure Transmitter

■ Metal capacitive sensor adopted
■ Wide pressure range covering 0-0.2kPa~40MPa
■ Double-wire mode, 4~20mA analog output,

HART® protocol digital communication option
■ Intelligent LCD gauge outfit with backlight
■ With both the remote transmission and the local zero

and pressure range adjustment
■ Complete varieties, high accuracy, good stability,

adjustable damping, and strong resistance to

the unidirectional overpressure
■ Ex-proof housing structure, strong resistance to 

the frequency conversion interference
■ Without mechanical transmission component,

firm and shockproof
■ The price is cheaper than that of similar

imported instruments

Applications and industries

■ Process control fields for the industries such as 

petroleum, chemical industry, metallurgy, electricity,

food, papermaking, medicine, machine manufacturing,

scientific experiment and military aviation etc.

Capacitive intelligent pressure transmitter,China intelligent pressure transmitter,Wotian pressure transmitter,intelligent pressure transmitter factory,full isolation circuit technology transmitter

China Wotian factory intelligent pressure transmitter adopting currently the most mature capacitive sensor manufacturing technology, manufactured through strict assembly and commissioning, able to accurately measure the gauge pressure, absolute pressure, flow, vacuum degree, liquid level and density

Product Parameters

Performance   parameters

Pressure   range


Pressure   reference

Gauge   pressure, Absolute pressure, Differential pressure

Supply   & output

420mA,   420mA+HART®   protocol (10.5V36V, usually 24V)


±0.3(typ.);   ±0.5%FS(max.)

Zero temp.   coefficient


Full span   temperature effect


Ambient   temperature

-3080; with LCD   gauge outfit -3070

Medium   temp.


Storage   temp.


Insulation   resistance

≥100MΩ/500VDC   (200MΩ/250VDC)

Protection   grade


Ex-proof   grade

Exd II BT6   Gb

Static   pressure range

DP 13.8MPa;   HP 25MPa; RD 6.9MPa

Overpressure   limitation

AP/GP/RG   13.8MPa; DP/HP/RD the same static pressure range

Long-term   stability


Production process

PCM3051S-LT Intelligent Flange Pressure Transmitter


PCM3051S-LT Intelligent Flange Pressure Transmitter

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.