Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Industrial Pressure Sensor Φ15x13mm PC8
  • Industrial Pressure Sensor Φ15x13mm PC8
  • Industrial Pressure Sensor Φ15x13mm PC8
  • Industrial Pressure Sensor Φ15x13mm PC8
  • Industrial Pressure Sensor Φ15x13mm PC8

Industrial Pressure Sensor Φ15x13mm PC8

Features

Piezoresistive silicon chip employed                                                                                                                                                                                                              

Perfect long term stability          

MEMS technology   

Sensor diameter: 15mm       

                                                  

Φ15mm PC8(WT15) industrial pressure sensor,China pressure sensor,wotian pressure sensor,pressure sensor factory

Wotian are the factory that produce small-diameter silicon pressure sensors with oil filling in China.

Product Parameters

Electrical performance parameters

Pressure range

1.6MPa…60MPa


Pressure reference

Absolute pressure, Sealed gauge pressure


Excitation

1.5mA recommended for constant current

10V recommended for constant voltage


Input impedance

Constant current: 2kΩ~5kΩ

Constant voltage: 3kΩ~18kΩ


Electrical connection

Gold-plated KOVAR pin or silicon soft wire


Compensation temp.

-1070


Operating temp.

-40℃~125


Storage temp.

-40℃~125


Insulation resistance

≥200MΩ/250VDC  


Response time

≤1ms (up to 90%FS)


Measured medium

All the liquids and gases compatible with 316L.


Mechanical vibration

20g (20~5000Hz)


Shock

100g /10ms


Service life

106 pressure cycles


Structural performance parameters

Diaphragm material

316L


Housing material

316L


Oil filling

Silicon oil


Sealing ring

Fluorine rubber


 

 

Basic parameters

Item

Condition

Min

Nominal

Max

Unit

Note


Non-linearity


-0.3

±0.2

0.3

%FS

Notes(1)


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



Span output

1.5mA

10V

60

98

90

100

150

102

mV



Zero temp. coefficient


-1.5

±0.75

1.5

%FS

Notes(2


Span temp. coefficient


-1.5

±0.75

1.5

%FS

Notes(2)


Thermal hysteresis


-0.075

±0.05

0.075

%FS

Notes(3)


Long term stability


-0.3

±0.2

0.3

%FS/Year



Notes:

(1) Calculate according to BFSL method.

(2) In the compensation temperature range, refer to 30 ℃ for -10 ℃ ~ 70 ℃.

(3) After passing high and low temperature, return to the reference temperature.

 

Structure & dimension (in mm)


image.png 


 

 

Electrical connection (in mm)

1. 6 pin (6p) constant current



 image.png

 

Pin          Definition

3        Excitation+(IN+)

5        Excitation-(IN-)

2        Output+(OUT+)

4        Output-(OUT-)

1          Die-

6          Die-

 

 

 

 

 

 

 


Electrical connection (in mm) (cont.)

2. 4 wires (4w)


image.png 

 

Wire color       Definition

Red        Excitation+(IN+)

Blue    Excitation-(IN-)

Yellow    Output+(OUT+)

White    Output-(OUT-)


Pressure range selection

Code

Pressure reference

Pressure range

Overload

pressure

Burst pressure

O-ring


1.6M

AS

0~1.6MPa

200FS

500FS

Fluorine rubber


2.5M

AS

0~2.5MPa

200FS

500FS

Fluorine rubber


4M

S

0~4MPa

200FS

400FS

Fluorine rubber


6M

S

0~6MPa

200FS

400FS

Fluorine rubber


10M

S

0~10MPa

200FS

400FS

Fluorine rubber


16M

S

0~16MPa

200FS

300FS

Fluorine rubber


25M

S

0~25MPa

150FS

300FS

Fluorine rubber


40M

S

0~40MPa

150FS

200FS

Fluorine rubber


60M

S

0~60MPa

150FS

200FS

Fluorine rubber


Note: A: Absolute pressure, S: Sealed gauge pressure



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


Φ15x13mm Industrial Pressure Sensor PC8Φ15x13mm Industrial Pressure Sensor PC8

Φ15x13mm Industrial Pressure Sensor PC8Φ15x13mm Industrial Pressure Sensor PC8




Certificate

PC8(WT15) Industrial 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.