Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

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  • Flush Diaphragm Pressure Sensor with thread PC12Ⅱ
  • Flush Diaphragm Pressure Sensor with thread PC12Ⅱ
  • Flush Diaphragm Pressure Sensor with thread PC12Ⅱ
  • Flush Diaphragm Pressure Sensor with thread PC12Ⅱ
  • Flush Diaphragm Pressure Sensor with thread PC12Ⅱ

Flush Diaphragm Pressure Sensor with thread PC12Ⅱ

Features

Flush diaphragm pressure sensor with thread structure

Imported highly reliable pressure die

A single time silicon oil isolated filling technology

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

18 months warranty period


Applications

Medical, food industry

Environmental protection, chemical, coating

Polyurethane equipment

Industry standards Supporting




Product Parameters

Electrical performance parameters

Pressure range

-100kPa035kPa25MPa


Pressure reference

Gauge pressure, Absolute pressure, Sealed gauge pressure


Excitation

1.5mA recommended for constant current


Input impedance

Constant current: 2kΩ5kΩ


Electrical connection

Gold-plated KOVAR pin or silicon soft wire


Compensation temp.

Constant current: 060℃(≤70kPa),-1070℃(other ranges);


Operating temp.

-40120


Storage temp.

-40120


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

M20


 

Basic parameters


Item

Condition

Min

Nominal

Max

Unit

Note



Nonlinearity


-0.3

±0.25

0.3

%FS

Note



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

1.5

%FS

Note



Span temp. coefficient


-1.5

±1

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



 

Note:

(1) Calculate according to BFSL least square method.

(2) In the compensation temperature range, refer to 0 ~ 60 and -10 ~ 70 , and refer to 30 .

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

 

Structure and dimensions


 Flush Diaphragm Pressure Sensor with thread PC12Ⅱ


 

 

 

Wire color  Definition


Red     Excitation+(IN+)

Blue     Excitation-(IN-)

Yellow     Output+(OUT+)

White     Output-(OUT-)



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Pressure range selection

Code

Pressure reference

Pressure range

Overpressure

Burst pressure

O-ring

35k

G

035kPa

300FS

600FS

ED ring

70k

G

070kPa

300FS

600FS

ED ring

100k

GA

0100kPa

200FS

500FS

ED ring

160k

GA

0160kPa

200FS

500FS

ED ring

250k

GA

0250kPa

200FS

500FS

ED ring

400k

G

0400kPa

200FS

500FS

ED ring

600k

G

0600kPa

200FS

500FS

ED ring

1M

GS

01MPa

200FS

500FS

ED ring

1.6M

GS

01.6MPa

200FS

500FS

ED ring

2.5M

GS

02.5MPa

200FS

500FS

ED ring

4M

S

04MPa

200FS

400FS

ED ring

6M

S

06MPa

200FS

400FS

ED ring

10M

S

010MPa

200FS

400FS

ED ring

16M

S

016MPa

200FS

400FS

ED ring

25M

S

025MPa

150FS

400FS

ED ring

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


Production process

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                                                          Testing Equipment


PC30 Pressure Sensor with ThreadPC30 Pressure Sensor with Thread

PC30 Pressure Sensor with ThreadPC30 Pressure Sensor with Thread


Certificate

PC12Ⅱ Flush Diaphragm Pressure Sensor with thread

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.