Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Temperature&Pressure Integrated Sensor Φ19×14mm PC20
  • Temperature&Pressure Integrated Sensor Φ19×14mm PC20
  • Temperature&Pressure Integrated Sensor Φ19×14mm PC20
  • Temperature&Pressure Integrated Sensor Φ19×14mm PC20
  • Temperature&Pressure Integrated Sensor Φ19×14mm PC20

Temperature&Pressure Integrated Sensor Φ19×14mm PC20


Features

With constant current and constant voltage excitation options

Imported highly reliable pressure die

Wide temperature compensation

Normalized output available

Compensation board filled with glue for protection against moisture

Φ19mm standard OEM

All 316L material

High performance, all solid, high reliability

18 months warranty period

 

Applications

Process control systems

Pressure calibration instruments

Refrigeration equipment and HVAC control

Hydraulic systems and valves

Level measurement

Biomedical instruments

Ships and navigation

Aircraft and avionics systems

Weaponry


PC20 temperature and pressure integrated sensor,China pressure sensor, wotian pressure sensor

PC20 temperature and pressure integrated sensor is designed with PT100 or PT1000. Nanjing Wotian Technology Co., Ltd is the Chinese manufacturer that produces the pressure sensors and transmitters. It sell 1,5 million pieces pressure sensors and transmitters to 70 countries per year.

Product Parameters


Electrical performance   parameters


Pressure   range

-100kPa010kPa…100MPa



Pressure   reference

Gauge   pressure, Absolute pressure, Sealed gauge pressure



Excitation

1.5mA recommended   for constant current

10V   recommended for constant voltage



Input   impedance

Constant   current: 2kΩ5kΩ

Constant   voltage: 3kΩ18kΩ



Electrical   connection

Gold-plated   KOVAR pin or silicon soft wire



Compensation   temp.

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

Constant   voltage: -2085



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

Silicon oil



Sealing ring

NBR or fluorine rubber




Basic parameters


Item

Condition

Min

Nominal

Max

Unit

Note



Nonlinearity


-0.3

±0.2

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




Full scale span output

1.5mA, 10kPa

1.5mA, other ranges

10V, 10kPa

10V, other ranges

30

60

60

98

 

90

 

100

 

150

 

102

mV




Zero temp. coefficient

10kPa

other ranges

-2

-1.5

±1.5

±0.75

2

1.5

%FS

Note



Span temp. coefficient


-1.5

±0.75

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 30for 0~60 and -10~70, and 32.5, for -20~85.

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


Structure and dimensions


Wire color   Qty     Definition

Φ19×14mm Temperature

Red      1      Excitation+(IN+)

Blue      1      Excitation-(IN-)

Yellow      1      Output+(OUT+)

White      1      Output-(OUT-)

Green      2      Temp. output(non polar)


Pressure range selection

Code

Pressure reference

Pressure range

Overpressure

Burst pressure

O-ring

10k

G

010kPa

300FS

600FS

NBR

20k

G

020kPa

300FS

600FS

NBR

35k

G, A

035kPa

300FS

600FS

NBR

70k

G

070kPa

300FS

600FS

NBR

100k

G, A

0100kPa

200FS

500FS

NBR

160k

G, A

0160kPa

200FS

500FS

NBR

250k

G, A

0250kPa

200FS

500FS

NBR

400k

G, A

0400kPa

200FS

500FS

NBR

600k

G, A

0600kPa

200FS

500FS

NBR

1M

G, A

01MPa

200FS

500FS

NBR

1.6M

G, A, S

01.6MPa

200FS

500FS

NBR

2.5M

G, A, S

02.5MPa

200FS

500FS

NBR

4M

S

04MPa

200FS

400FS

NBR

6M

S

06MPa

200FS

400FS

Fluorine rubber

10M

S

010MPa

200FS

400FS

Fluorine rubber

16M

S

016MPa

200FS

400FS

Fluorine rubber

25M

S

025MPa

150FS

400FS

Fluorine rubber

40M

S

040MPa

150FS

300FS

Fluorine rubber

60M

S

060MPa

150FS

300FS

Fluorine rubber

100M

S

0100MPa

150FS

300FS

Fluorine rubber

N1k

Omitted

-1000kPa

300kPa

600kPa

NBR

N2k

Omitted

0-100kPa

300kPa

600kPa

NBR

N3k

Omitted

±100kPa

300kPa

600kPa

NBR

N4k

Omitted

-100160kPa

480kPa

900kPa

NBR

N5k

Omitted

-100250kPa

750kPa

1.25MPa

NBR

N6k

Omitted

-100400kPa

800kPa

2MPa

NBR

N7k

Omitted

-100600kPa

1.2MPa

3MPa

NBR

N8M

Omitted

-0.11MPa

2MPa

5MPa

NBR

N9M

Omitted

-0.11.6MPa

3MPa

9MPa

NBR

N10M

Omitted

-0.12.5MPa

5MPa

12.5MPa

NBR

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


Production process

PC20 Temperature and Pressure  Integrated Sensor


                                                     Testing Equipment


PC28-2400 Pressure SensorPC28-2400 Pressure Sensor

PC28-2400 Pressure SensorPC28-2400 Pressure Sensor

Certificate

PC20 Temperature and Pressure  Integrated 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.