Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Pressure Transmitter PCM390
  • Pressure Transmitter PCM390
  • Pressure Transmitter PCM390
  • Pressure Transmitter PCM390

Pressure Transmitter PCM390

■ Compact structure

■ Digital circuit compensation

■ Strong anti-interference and excellent long-term stability

■ Small diameter, small size, easy to install and use

■ Available for measurement of absolute pressure, gauge pressure and sealed gauge pressure

■ Multiple electrical connection options

■ SS316L Diaphragm

Applications

■ Hydraulic and pneumatic equipment

■ Servo valve and transmission

■ Air-conditioning system

■ Pipeline system


Product Parameters


Performance parameters


Pressure range

035kPa…25MPa



Pressure reference

Gauge pressure, Absolute pressure, Sealed gauge pressure



Accuracy

±0.5%FS(typ.); ±1%FS(max.)



Hysteresis & repeatability

≤±0.1%FS



Temp. drift

≤±1.5%FS(-20ºC~85ºC)



Response time

<10ms



Service life

≥10×106 pressure cycles



Ambient temp.

-20ºC~80ºC



Medium temp.

-30ºC~105ºC



Storage temp.

-40ºC~120ºC



EMC-interference

IEC 61000-6-3



EMC-immunity

IEC 61000-6-2



Insulation resistance

≥100MΩ/500VDC(200MΩ/250VDC)



Vibration resistance

Sine curve: 20g, 25Hz~2kHz; IEC 60068-2-6



Random: 7.5grms, 5Hz~1kHz; IEC 60068-2-64



Shock resistance

Shock: 100g/11ms;IEC 60068-2-27



Free fall: 1m; IEC 60068-2-32



Protection

IP65



Material

Diaphragm and sensor inside (AISI316L)



Housing and pressure port: (AISI304)



Electrical connection: PA66



Net weight

50g~90g



Size of hexagon

HEX22


 

Supply & output

Code

B1

B7

B6


Output

4~20mA

0~10V

0.5~4.5V R/M


Supply

12~30VDC

12~30VDC

5VDC


 

Electrical connection & wiring method



Connector code

J3: Cable outlet

J4: M12




Dimension

In mm

image.png

image.png



Connection mode

Current  (2 wires)

Red: Supply+

Green: Current output

Pin 1: Supply+

Pin 2: Current output

Pin 3: Pending



Connection mode

Voltage

(3 wires)

Red: Supply+

Green: Ground

Yellow: Voltage output

Pin 1: Supply+

Pin 2: Voltage output

Pin 3: Ground






Connector code

J6: Mini 4 pin

J7: Round Packard



Dimension

In mm

image.png

image.png



Connection mode

Current  (2 wires)

Pin 1: Supply+

Pin 2: Current output

Pin 3: Pending

Grounding: Pending

Pin 1: Supply+

Pin 2: Current output

Pin 3: Pending



Connection mode

Voltage

(3 wires)

Pin 1: Supply+

Pin 2: Ground

Pin 3: Voltage output

Grounding: Pending

Pin 1: Supply+

Pin 2: Ground

Pin 3: Voltage output


 

 

Application of damper

Application


Cavitation, liquid hammer and pressure peak may occur in air or hydraulic systems with varying flow rates, such as the rapid closing of valve or the start and stop of pump. Even at relatively low operating pressures, these problems may occur at the entrance and exit.

PCM390  Pressure Transmitter

Installation

If the fluids containing particles, then nozzle clogging maybe occur, and the vertical installation of the transmitter minimizes the risk of clogging.


Pressure range selection



Pressure range code

Pressure reference

Pressure range

Overpressure

Burst pressure

Remark


35k

G

0~35kPa

300%FS

600%FS

① 


70k

G

0~70kPa

300%FS

600%FS

① 


100kC

G、A

0~100kPa

200%FS

500%FS



160kC

G

0~160kPa

200%FS

500%FS



250kC

G、A

0~250kPa

200%FS

500%FS



400kC

G

0~400kPa

200%FS

500%FS



600kC

G

0~600kPa

200%FS

500%FS



1MC

G

0~1MPa

200%FS

500%FS



1.6MC

GS

0~1.6MPa

200%FS

500%FS



2.5MC

S

0~2.5MPa

200%FS

500%FS



4MC

S

0~4MPa

200%FS

400%FS



6MC

S

0~6MPa

200%FS

300%FS



10M

S

0~10MPa

200%FS

300%FS

① 


16M

S

0~16MPa

150%FS

200%FS

① 


25M

S

0~25MPa

150%FS

200%FS

① 

Note: (1)G stands for gauge pressure, A, absolute pressure, S, sealed gauge pressure. (2)is non-glass header, please note.

PCM390  Pressure Transmitter

PCM390  Pressure Transmitter

Production process

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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


PCM390 Compact structure Pressure Transmitter

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.