Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Intelligent Pressure Transmitter PCM380
  • Intelligent Pressure Transmitter PCM380
  • Intelligent Pressure Transmitter PCM380
  • Intelligent Pressure Transmitter PCM380

Intelligent Pressure Transmitter PCM380

Features

Communication protocol HART, RS485-MODBUS

Adopting digital compensation and nonlinearity correction technology

Supporting networking application

Wide pressure range, can measure theabsolute pressure, gauge pressure and sealed gauge pressure 

Advanced structure, can ensure the product reliability

Excellent on-site interchangeability

 

Applications and industries

Project kitting

Scientific experiment

Leakage monitoring

Petrochemical industry process industry

Precision measurement for the fluid pressure


Product Parameters

Performance parameters

Pressure range

035kPa…10MPa

Pressure reference

Gauge pressure, Absolute pressure, Sealed gauge pressure

Supply & output

420mAHART protocol (1230V),

RS485-MODBUS communication protocol (1230V)

Accuracy

±0.5%F.S. (@25±5℃)

Hysteresis and repeatability

±0.1%FS

Temperature drift

±3%FS (@-1070℃)

Service life

≥106 pressure cycles

Ambient temperature

-20℃80℃

Medium temp.

-30℃105℃

Storage temp.

-40℃120℃

Insulation resistance

100MΩ/250VDC

Protection grade

IP65

Performance parameters (cont.)

Anti-vibration performance

Sine curve: 20g, 25Hz2kHz; IEC 60068-2-6

Random: 7.5grms, 5Hz1kHz; IEC 60068-2-64

Shock resistance

Shock: 10g/11ms; IEC 60068-2-27

Free falling body: 1m; IEC 60068-2-32

Material

SS304

Maximum mounting torque

25N·m

Electrical connection & wiring mode

Connector code

J3H: DIN43650 with cable

J5: DIN43650

Dimension

In mm

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Wring method

(420mAHART)

Red wire: Vin

Green wire: Iout

Pin 1: Vin

Pin 2: Iout

Wring method

(RS485-

MODBUS)

Red wire: V+

Green wire: V-

Yellow wire: RS485-A

White wire: RS485-B

Pin 1: V+

Pin 2: V-

Pin 3: RS485-A

Grounding: RS485-B


Production process

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor


                                                         Testing Equipment


Φ23.5mm Silicon Pressure Sensor PCM320Φ23.5mm Silicon Pressure Sensor PCM320

Φ23.5mm Silicon Pressure Sensor PCM320Φ23.5mm Silicon Pressure Sensor PCM320


Certificate

PCM300T High Temperature 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.