PMD330 Differential Pressure Transmitter
Features:
- Silicon chips on differential pressure module of MEMS integration technology
- Offset function / UI software
- Low-pressure monitoring, high pressure resistance
- RS-485 communication interface(Optional), Modbus RTU protocol
- Physical unit switch(User Interface)：mbar / Pa / hPa / kPa / mmH2O / mmWS / inH2O / mmHgSquare root function
Application:
- Monitor differential pressure of cleanroom
- Hospital
- Air duct
- Filter environment and monitor air flow
Technical Properties:
- Input type: Piezoelectric differential pressure module
- Measuring range: ±50 ... ±10000 pa
- Output: 4 ... 20 mA / 0 ... 10 V / RS-485
- Signal connection: 3-wire
- Load resistance (Current output): 4 ... 20 mA ＜ 500 Ω；0 ... 10 V≧1 KΩ
- Response time(t63) : ≦2 ms
- Display type: LCD module with back light, double line character
- Display range: Upon request, 2 decimal place (as unit is Pa : 1 decimal place)
- Digit height: 5.56 mm
- Measuring medium: Air
- Operating temperature: 0 ... 50°C
- Operating humidity: 0 ... 95%(Non-condensing)
- Storage temperature: -20 ... +60°C
- Accuracy (at 25°C)
- Accuracy: ±2.0% of F.S
- Temperature influence: ±1.75%(5 ... 55°C)
- Power supply: AC 24 V ±10% / DC 24 V ±10%
- Current consumption: DC 24 V：≦45 mA(Display) / ≦40 mA(Non-display)；AC 24 V：≦95 mA(Display) / ≦90 mA(Non-display
- Overvoltage protection: ≦DC 40 V
- Electrical connection: M type ( M12 - 4 PIN connector ) / ( M12 - 5 PIN connector )
N type ( M16 plastic cable gland ) - Installation: Indoor
- IP rating: IP65
- Electrical protection: ■ Reverse polarity ■ Over-voltage ■ Short circuit
- Pressure resistance: ±50 ... ±500 pa：0.25 bar / ±1000 ... ±10000 pa：0.5 bar
- Burst pressure: ±50 ... ±2500 pa：0.75 bar / ±5000 ... ±10000 pa：1.25 bar
- Certification: CE
- Housing: PC fire-proof class(PC-110)(UL94V-2)
- Weight: Display：152g；Non-display：127g
