Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F
  • Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F
  • Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F
  • Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F
  • Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F

Diffused Silicon Piezoresistive Flange Pressure Transmitter PCM400F

Features

Using high performance diffused silicon piezoresistive sensor

Used for pressure measurement of gas, liquid and other media

Wide pressure range

With digital display

Multiple output signals can be selected


Applications

Industrial field control

Oilfield

Heavy industry

Chemical Industry

Gas pipe network

Water supply network


Product Parameters

Performance parameters

Pressure range

-100kPa…0~20kPa…100MPa

Pressure reference

Gauge pressure ,Absolute pressure ,Sealed gauge pressure

Supply & output

Supply:18-36V;Output:4-20mA


Supply:12-36V;Output:4-20mA with display;

Operating temp.

-20℃~85℃

Medium temp.

-20℃~85℃

Storage temp.

-40℃~125℃

Zero temp. coefficient

±1.5%FS(-20℃~85℃)

Span temp. coefficient

±1.5%FS(-20℃~85℃)

Overpressure

150%FS~300%FS

Mechanical vibration

20g20~5000Hz)

Shock

100g11ms

Overall Accuracy

±0.5%FS

Insulation

100MΩ/250VDC

Response time

≤1msup to 90%FS

Long term stability

±0.2%FS/year  

Protection

IP65

Ex-proof

ExiaⅡCT6

Material

Low copper aluminum alloy for shell, 316L for isolation diaphragm

Medium compatibility

All the media compatible with stainless steel 316L

Electrical connection

Type

J1: 2088 housing

J2: 2088 housing with display

Dimension

in mm

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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

PCM320 Φ23.5mm Pressure Transmitter Sensor for Compressor

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 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.