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Air Flow Meter - A2G-25
Brand: WIKA Alexander Wiegand SE & Co. KGFor 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
Measuring Element
- Piezo Measuring 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 k Ω linear to the set output unit
- VOUT: 4 ... 20 mA, load R minimum 1 k Ω linear to the set output unit
- POUT: DC 0 ... 10 V, load R minimum 1 k Ω linear to the set output unit
- VOUT: DC 0 ... 10 V, load R minimum 1 k Ω 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° to +50° C, version with automatic zero point setting: -5° to +50° C
- Ambient Temperature: -20° to +70° C
Ingress Protection
- IP54
Weight
- 150 g
- Measuring the volume flow in ventilation ducts for air and non-combustible gases
- Used for fans and ventilators of various manufacturers
- Monitoring of air volume flow or pressure directly on the air handling unit
- For use with fans/blowers from various manufacturers