Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Flush Diaphragm Pressure Sensor with Thread PC12Ⅲ
  • Flush Diaphragm Pressure Sensor with Thread PC12Ⅲ
  • Flush Diaphragm Pressure Sensor with Thread PC12Ⅲ

Flush Diaphragm Pressure Sensor with Thread PC12Ⅲ

Features

Flush diaphragm pressure sensor with thread structure.

Imported highly reliable pressure die

Compensation board filled with glue for protection against moisture

All stainless steel housing material

High accuracy, high reliability

Strong anti-interference, good long-term stability

12 months warranty period

 

Applications

Glue

Environmental protection, chemical, coating

Polyurethane equipment

Industry standards supporting


Product Parameters


Electrical performance parameters

Pressure range

0~35kPa……10MPa


Pressure reference

Gauge pressure, Absolute pressure, Sealed gauge pressure


Excitation

1.5mA recommended for constant current;

10V for constant voltage.


Input impedance

Constant current: 2kΩ~5kΩ;

 constant voltage: 5~18


Electrical connection

Silicon soft wire


Compensation temp.

0℃~60℃(≤70kPa);

-10℃~70℃other ranges


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)


Durability

106  Pressure cycles


Structural performance parameters

Diaphragm material

316L


Housing material

316L


Oil filling

Silicon oil


Basic parameters

Item

Min

Nominal

Max

Unit

Note

Non-linearity

-0.3

±0.25

0.3

%FS

Note⑴

Hysteresis

-0.05

±0.03

0.05

%FS


Repeatability

-0.05

±0.03

0.05

%FS


Zero output

-2

±1

2

mV


Span output

60

90

150

mV

1.5mA supply

Zero temp. coefficient

-1.5

±1.2

1.5

%FS

Note(2)

Span temp. coefficient

-1.5

±1.2

1.5

%FS

Note(2)

Thermal hysteresis

-0.075

±0.05

0.075

%FS

Note(3)

Long term stability

-0.3

±0.2

0.3

%FS/year


Note:

(1) Calculate according to BFSL least square method.

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

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


Structure & dimension


 

 PC12Ⅲ Flush Diaphragm Pressure Sensor with Thread

 


 

Wire color  Definition


Red     Excitation+(IN+)

Blue     Excitation-(IN-)

Yellow     Output+(OUT+)

White     Output-(OUT-)

 

Pressure range selection

Code

Pressure reference

Pressure range

Overpressure

Burst pressure

35k

G

0~35kPa

300FS

500FS

100k

GA

0~100kPa

200FS

500FS

250k

G

0~250kPa

200FS

500FS

600k

G

0~600kPa

200FS

500FS

1M

G

0~1MPa

200FS

500FS

1.6M

GS

0~1.6MPa

200FS

500FS

2.5M

GS

0~2.5MPa

200FS

500FS

6M

S

0~6MPa

200FS

400FS

10M

S

0~10MPa

200FS

≤25MPa

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


Production process

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

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                                                     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 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 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.