Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Pressure Sensors PC50

Pressure Sensors PC50

Product overview

PC50 Piezoresistive Silicon Pressure Sensor is the core component for producing pressure sensors and pressure transmitters; as a kind of pressure sensitive elements with high performance, it can be conveniently processed through amplifying, and assembled into the transmitter with the standard signal output.

PC50 sensor packages piezoresistive silicon sensitive pressure die into 316L stainless steel housing, the external pressure is transmitted to the sensitive die through the stainless steel diaphragm and internally sealed silicon oil; the sensitive die does not directly contact with the measured medium, so as to form all solid structure of pressure measurement, so this product can be applied to a variety of occasions, including harsh corrosive medium environment.

PC50 sensor adopts O-ring for pressure sealing, easy to install. Our company can also undertake the special customization according to the requirements of the customers, for example, all-welded structure, wide temperature compensation, highly reliable, anti-strong shock and anti-vibration pressure sensors, especially for supporting the national defense weaponry.


Features

■ With constant current excitation

■ Customized pressure die

■ Wide temperature compensation

■ Compensation plate with glue filling for moisture-proof protection

■ Φ19mm standard OEM

■ All made of 316L material

■ High performance, all solid, high reliability

■ 18 months warranty period

 

Applications and industries

■ Process control systems

■ Pressure calibration instruments

■ Refrigeration equipment and HVAC control

■ Hydraulic systems and valves

■ Level measurement

■ Biomedical instruments

■ Ships and navigation

■ Aircraft and avionics systems

■ Weaponry


Product Parameters


Pressure range

0~35kPa…100MPa

Pressure reference

Gauge pressure, Absolute pressure, Sealed gauge pressure

Excitation

1.5mA recommended

Input impedance

Constant current: 2kΩ~5kΩ

Electrical connection

Silica gel soft wire

Compensated temp.

0℃~60℃ (<70kPa);

-10℃~70℃ (other ranges)

Operating temp.

-40℃~120℃

Storage temp.

-40℃~120℃

Insulation resistance

≥200MΩ/250VDC

Response time

≤1ms (Up to 90%FS)

Measurement medium

All the liquids and gases compatible with 316L

Mechanical vibration

20g (20~5000HZ)

Shock

100g (10ms)

Service life

1×106(cycles)

Diaphragm material

316L

Housing material

316L

Perfusion liquid

Silicon oil

Sealing ring

NBR or FKM




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


Φ19×14mm Oil Pressure Sensor PC10Φ19×14mm Oil Pressure Sensor PC10

Φ19×14mm Oil Pressure Sensor PC10Φ19×14mm Oil Pressure Sensor PC10




Certificate



PC10 Piezoresistive Silicon Pressure Sensor

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor manufacturing 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 3 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.