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 Monocrystalline Silicon Pressure Transmitter

PCM3051S Monocrystalline Silicon Pressure Transmitter


Advanced MEMS monocrystalline silicon pressure sensor chip adopted

Wide pressure range covering

Double-wire mode, 420mA 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,

Isolation ex-proof housing structure, strong resistance to the frequency conversion interference

No mechanical transmission parts, strong anti-vibration

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.

Product Parameters

Performance   parameters

Pressure   range


Pressure   reference

Gauge   pressure, Sealed gauge pressure

Supply   & output

420mA+HART®   protocol (18V36V, usually 24V)

Zero temp. coefficient


Full span temperature coefficient


Ambient temperature

-3080; with LCD   gauge outfit -3070

Medium temp.


Storage temp.


Insulation resistance

≥100MΩ/500VDC   (200MΩ/250VDC)

Mechanical   vibration

20g (205000Hz)


100g (11ms)




Please see   pressure range selection

Long-term   stability


Protection   grade


Ex-proof   grade

Exd II BT6   Gb


Housing   low copper aluminum alloy, isolation diaphragm 316L, Hastelloy C, tantalum

Medium   compatibility

All kinds   of media compatible with SS316L

Response   time

≤1ms (up to   90%FS)

Production process

PCM3051S Monocrystalline Silicon Pressure Transmitter


PCM3051S Monocrystalline Silicon Pressure Transmitter

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.