Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

Keywords: pressure sensor manufacturerHydraulic pressure sensorwater pressure sensorgas pressure transmitterdifferential pressure transmittergas pressure sensorwater pressure transmitteroil pressure sensorlevel sensorPressure transducerNanjing WotianPressure Sensor FactoryDifferential Pressure SensorLevel TransmitterPressure Transmitter

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  • All Welded in harsh environment Pressure Sensor PC11B
  • All Welded in harsh environment Pressure Sensor PC11B
  • All Welded in harsh environment Pressure Sensor PC11B
  • All Welded in harsh environment Pressure Sensor PC11B

All Welded in harsh environment Pressure Sensor PC11B

l  Full welded seal, can be used in harsh environment                                                                                                                                                                                                              

l  High performance, all solid, corrosion resistant          

l  High accuracy and stability                                  

l  Strong anti-interference, good long-term stability

l  Constant current excitation option

l  Customization available                    

 

 PC11B all welded pressure sensor, China pressure sensor, wotian pressure sensor,  pressure  sensor

PC11B all welded pressure sensor is to package PC10 pressure sensor into the workpiece with standard pressure connection. Nanjing Wotian Technology Co., Ltd is a Chinese manufacturer that produces the pressure sensors and transmitters.

Product Parameters


All Welded in harsh environment Pressure Sensor PC11B


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

200%F.S.(<10MPa) | 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

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.)

Oil filling

Silicon oil

Material                                  

Housing: Stainless steel 304 | Diaphragm: Stainless steel 316L

Medium compatibility

All the liquids and gases compatible with the diaphragm

Structure



 

H type

L type

Q type

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① Pressure range: 20kPa10MPa

② Feature: The pressure sensor is designed inside the pressure connection part with small longitudinal length and big horizontal length.

① Pressure range: 6MPa100MPa

② Feature: Part of the pressure sensor is designed inside the pressure connection part with small diameter of rear end.

① Pressure range: 20kPa2.5MPa

② Feature: The pressure sensor is designed outside the pressure connection part. The pressure connection part, diaphragm and base are welded together with big longitudinal length and small horizontal length.

 

Note: Above are 3 typical structures of all welded pressure sensor. The product is a customized product. Detailed specifications follow customer’s requirements.



All Welded in harsh environment Pressure Sensor PC11B

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


PC30 Pressure Sensor with ThreadPC30 Pressure Sensor with Thread

PC30 Pressure Sensor with ThreadPC30 Pressure Sensor with Thread

Certificate

PC11B All Welded 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.