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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  • PC11(WTP01) Pressure Sensor
  • PC11(WTP01) Pressure Sensor
  • PC11(WTP01) Pressure Sensor

PC11(WTP01) Pressure Sensor

l  Piezoresistive silicon chip employed                                                                                                                                                                                                             

l  Perfect long term stability          

l  MEMS Technology                                  

                   

PC11(WTP01) pressure sensor, China pressure sensor, wotian pressure sensor,  pressure  sensor factory

PC11(WTP01) pressure sensor is a standard and popular sensor applied in air and liquid pressure measuring. A high sensitivity silicon pressure chip is employed in the transducer. Nanjing Wotian Technology Co., Ltd is a Chinese manufacturer that produces the pressure sensors and transmitters. 

Product Parameters

Pressure range

Pressure range

-100kPa, 10kPa, 35kPa, 70kPa, 100kPa, 250kPa,   400kPa, 600kPa,   1MPa, 1.6MPa, 2.5MPa, 4MPa, 6MPa,     10MPa, 16MPa, 25MPa, 40MPa, 60MPa, 100MPa

Pressure reference

Gauge pressure | Absolute pressure | Sealed   gauge pressure

Overpressure

300%F.S.(70kPa) | 200%F.S.(25MPa)   | 150%F.S.(25MPa)

Output signal

Zero output

±2mV

Span output

1.5mA excitation: ≥40mV (≤35kPa); ≥60mV   (Other ranges)

10V excitation: ≥60mV (≤35kPa); 80-120mV   (Other ranges)

Specification

Accuracy (linearity,   repeatability and hysteresis)

±0.25%F.S. (Typical)

Excitation

1.5mA | 10VDC

Compensated temp.

0-60 (≤35kPa) | -10-70 (Other ranges)

Operating temp.

-40-125

Storage temp.

-40-125

Zero temp. coefficient

0.02%F.S. /(≥100kPa)   | 0.04%F.S. /(<100kPa)

Span temp. coefficient

0.02%F.S. /(≥100kPa)   | 0.04%F.S. /(<100kPa)

Insulation resistance

200Mohm/250VDC

Input impedance

2kΩ-5kΩ

Long term stability

≤0.2%F.S.S/year

Vibration

20g   (20-5000Hz)

Shock

100g (11ms)

Response time

≤1ms(up to   90%F.S.)

Lifetime

10*106   (cycles)

Oil filling

Silicon oil

O-ring

NBR, Viton

Housing material                                

Stainless steel 304

Diaphragm material                                   

Stainless steel 316L

Wire connection

4 wire (typical) | 5 wire (available)    39×φ0.015, Silicon shielded, 200   bearing

Pin connection

Kovar pin (0.6um Gold platted)

Weight

130g(approx.)



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

PC11(WTP01) 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.