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Air Flow Meter - A2G-25
Brand: WIKA Instruments Ltd.For ventilation and air-conditioning.
Features- Easy installation
- User-friendly display
- Easy-to-read LCD display
- Temperature compensated
- Output signals for differential pressure and air volume flow
Specifications
Brand
Measuring Element
- Piezo Measuriing cell
Measuring Range
- Modbus® version: 0 ... 2,500, 0 ... 7,000 Pa
- Analogue output signal (0 ... 10 V/4 ... 20 mA): 0 ... 1,000, 0 ... 2,000, 0 ... 5,000, 0 ... 7,000 Pa
Accuracy
- All data refer to the above mentioned pressure range
- 0 to 1,000 Pa: ±2 Pa ±1.5 %
- 0 to 2,000 Pa: ±2 Pa ±1.5 %
- 0 to 2,500 Pa: ±2 Pa ±1.5 %
- 0 to 5,000 Pa: ±2 Pa ±1.5 %
- 0 to 7,000 Pa: ±2 Pa ±1.5 %
Units (adjustable in the Menu)
- Differential pressure: Pa, kPa, mbar, inWC, mmWC
- Air flow: m3/h, m3/s, l/s, cfm
Process Connection
- For hoses with inner diameter 4 or 6 mm
Power Supply UB
- AC 24 V or DC 24 V ±10 %
Output Signal
- POUT: 4 ... 20 mA, load R minimum 1 kΩ linear to the set output unit
- VOUT: 4 ... 20 mA, load R minimum 1 kΩ linear to the set output unit
- POUT: DC 0 ... 10 V, load R minimum 1 kΩ linear to the set output unit
- VOUT: DC 0 ... 10 V, load R minimum 1 kΩ linear to the set output unit
Electrical Connection
- Screw terminals max. 1.5 mm2
- Cover: PG
- Cable gland M16
Current Consumption
- < 1.0 W (DC 0 ... 10 V), < 1.2 W (4 ... 20 mA), < 1.3 W (Modbus®)
Case
- Cover: Polycarbonate (PC)
- Plastic (ABS)
Type of Mounting
- Wall mounting
Zero Adjustment
- Push button on the printed circuit board or via Modbus® register
Permissible Temperatures
- Medium Temperature: -10 ... +50° C, version with automatic zero point setting: -5 ... +50° C
- Ambient Temperature: -20 ... +70° C
Ingress Protection
- IP54
Weight
- 150 g
