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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  • PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor
  • PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor
  • PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor
  • PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor
  • PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor

PC10 Piezoresistive Silicon Pressure Sensor oil pressure sensor


■ With constant current and constant voltage excitation options

■ Imported highly reliable pressure die

■ Wide temperature compensation

■ Normalized output available

■ Compensation board filled with glue for protection against moisture

■ Φ19mm standard OEM

■ All 316L material

■ High performance, all solid, high reliability

■ 18 months warranty period




PC10 piezoresistive silicon pressure sensor,China pressure sensor,wotian pressure sensor,sensor factory

China Nanjing Wotian pressure sensor factory produces the piezoresistive silicon pressure sensor for 15 years with CE,ROSH and ISO9001 certificates. PC10 piezoresistive silicon pressure sensor can be easily amplified and assembled into the pressure transmitters with standard signal output.

Product Parameters

Electrical performance   parameters


Pressure   range

-100kPa010kPa…100MPa



Pressure   reference

Gauge   pressure, Absolute pressure, Sealed gauge pressure



Excitation

1.5mA recommended   for constant current

10V   recommended for constant voltage



Input   impedance

Constant   current: 2kΩ5kΩ

Constant   voltage: 3kΩ18kΩ



Electrical   connection

Gold-plated   KOVAR pin or silicon soft wire



Compensation   temp.

Constant   current: 060℃(≤35kPa), -1070℃(other ranges);

Constant   voltage: -10℃~70℃



Operating   temp.

-40125



Storage   temp.

-40125



Insulation   resistance

≥200MΩ/250VDC 



Response time

≤1ms (up to   90%FS)



Measured   medium

All the   liquids and gases compatible with 316L.



Mechanical   vibration

20g (205000Hz)



Shock

100g (10ms)



Service   life

10×106   (cycles)


Structural performance   parameters


Diaphragm   material

316L



Housing material

316L



Oil filling

Silicon oil



Sealing   ring

NBR or fluorine rubber






 

Basic parameters


Item

Condition

Min

Nominal

Max

Unit

Note



Nonlinearity


-0.3

±0.2

0.3

%FS

Note



Hysteresis


-0.05

±0.03

0.05

%FS




Repeatability


-0.05

±0.03

0.05

%FS




Basic   parameters (cont.)



Item

Condition

Min

Nominal

Max

Unit

Note



Zero output


-2

±1

2

mV




Full   scale span output

1.5mA, ≤35kPa  

1.5mA,   other ranges

10V, ≤35kPa

10V, other   ranges

40

60

60

80

 

90

 

100

 

150

 

120

mV




Zero   temp. coefficient

10kPa

other   ranges

-2

-1.5

±1.5

±0.75

2

1.5

%FS

Note



Span   temp. coefficient


-1.5

±0.75

1.5

%FS

Note



Thermal   hysteresis


-0.075

±0.05

0.075

%FS

Note



Long term   stability


-0.3

±0.2

0.3

%FS/Year




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


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 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.