PHD330 Industrial Differential Pressure Transmitter
Function:
- Silicon chips on the differential pressure module of MEMS integration technology;
- Offset function;
- User interface software;
- Low-pressure monitoring; high pressure resistance;
- RS-485 communication interface; Modbus RTU protocol;
- Physical unit switch; and square root function.
Application:
- Exhaust emission
- Environmental engineering
- Air duct
- Filter
- Monitor differential pressure and environment air flow.
Technical Properties:
- Input type：Piezoelectric differential pressure module
- Measuring range：±50 ... ±10000 pa
- Output：4 ... 20 mA / 0 ... 10 V
- Signal connection：3-wire
- Modbus：RS-485
- Load resistance(Current output)：4 ... 20 mA＜500 Ω / 0 ... 10 V≧100 KΩ
- Response time(t63)：≦2 ms
- Display type：LCD Module with back light, double line character
- Display range：V=Air velocity(at 25°C) / Q=Air quantity(with eYc AFMT)
- Digit height：5.56 mm
- Measuring medium：Air
- Operating temperature：-20 ... +80°C(Non-display) / 0 ... +50°C(Display)
- Operating humidity：0 ... 95%RH(Non-condensing)
- Storage temperature：-40 ... +80°C
- Accuracy：±2.0% 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：M12 connector
- Installation：Wall
- IP rating：IP65
Electrical protection：■ Polarity protection ■ 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：Aluminum alloy
Weight：Display：497 g；Non-display：478 g
