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Address
Room 1090, Building 2, No. 377 Chengpu Road, Fengxian District, Shanghai
Shanghai Dianda Automation Instrument Co., Ltd
Room 1090, Building 2, No. 377 Chengpu Road, Fengxian District, Shanghai
This seriesMicro differential pressure transmitterUsing a piezoresistive pressure sensor chip, zero point correction, zero temperature compensation, and sensitivity compensation are performed using thin film resistors on the substrate. The high-performance and stable silicon chip packaging ensures high static pressure resistance, anti-interference, stability, and reliability. Therefore, this product can be applied to micro differential pressure fields for various gas measurements. It is an ideal micro differential pressure measuring instrument in the field of industrial automation.
1、 Product Features
a) Integrated chip, wide voltage power supply
b) Cut off design, strong anti-interference ability, lightning protection, current limiting, voltage limiting, reverse connection protection (limited current output)
d) High precision and good stability
e) Zero point can be corrected by oneself
2、 Technical parameters
Pressure mode: differential pressure
Output signal: 4~20mA, RS485
Supply voltage: 12~36VDC
Accuracy level: 0.5% FS (range ≥ 1kPa)
1% FS (range<1kPa)
Working conditions: medium temperature -40~100 ℃
Environmental temperature -40~85 ℃
Temperature compensation -10~60 ℃
Seismic performance: 10g (20... 2000Hz)
Overall weight: with display ≈ 150g
No display ≈ 108g
Response frequency:<50Hz
Stability performance: ± 0.3% FS/year (range>1kPa)
0.5% FS/year (range<1kPa)
Temperature drift: ± 0.03% FS/℃ (within the temperature compensation range)
Overall weight: with display ≈ 150g
No display ≈ 130g
Protection level: IP65
3、 External dimensions

4、 Precautions
Micro differential pressure transmitterBelonging to weak current equipment, wiring must be separated from strong current cables and should comply with relevant national wiring standards (GB/T50312-2016) for wiring.