Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

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  • Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)
  • Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)
  • Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)
  • Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)
  • Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)

Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19)


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

                                                                                                                                      

 


Product Parameters

Electrical performance parameters

Pressure range

-100kPa010kPa…16MPa


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.

-40125


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



Basic parameters (cont.)


Item

Condition

Min

Nominal

Max

Unit

Note


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

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

 

Structure and dimensions

In mm

Gauge pressure

10kPa~4MPa

 

Sealed gauge pressure or absolute pressure

Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19) 

   

 

 

 

 

 

Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19) 

 

 

 


Electrical connection (in mm)

1. 6 pin (6p)



Φ19×11.5mm Industrial Pressure Sensor PC9(WTT19) 

 

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 wire (4w)

image.png 

 

Wire color       Definition

Red        Excitation+(IN+)

Blue    Excitation-(IN-)

Yellow    Output+(OUT+)

White    Output-(OUT-)

3. 5 wire (5w)


 image.png

 

Wire color       Definition

Red        Excitation+(IN+)

Blue    Excitation-(IN-)

Blue    Excitation-(IN-)

Yellow    Output+(OUT+)

White    Output-(OUT-)


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


-1000kPa

Omitted

-1000kPa

300kPa

600kPa

NBR


(0-100)k

Omitted

0-100kPa

300kPa

600kPa

NBR


NP100k

Omitted

±100kPa

300kPa

600kPa

NBR


(-100160)k

Omitted

-100160kPa

480kPa

900kPa

NBR


(-100250)k

Omitted

-100250kPa

750kPa

1.25MPa

NBR


(-100400)k

Omitted

-100400kPa

800kPa

2MPa

NBR


(-100600)k

Omitted

-100600kPa

1.2MPa

3MPa

NBR


(-0.11.0M

Omitted

-0.11MPa

2MPa

5MPa

NBR


(-0.11.6M

Omitted

-0.11.6MPa

3MPa

9MPa

NBR


(-0.12.5M

Omitted

-0.12.5MPa

5MPa

12.5MPa

NBR


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



Production process

PC9(WTT19) Industrial Pressure Sensor


                                                     Testing Equipment


PC28-2400 Pressure SensorPC28-2400 Pressure Sensor

PC28-2400 Pressure SensorPC28-2400 Pressure Sensor

Certificate

PC9(WTT19) 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.