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Differential Pressure Sensor - A2G-45
Brand: WIKA Alexander Wiegand SE & Co. KGThe WIKA model A2G-45 differential pressure transducer combines a local differential pressure display, measured value transmission and differential pressure switching in a single instrument and is therefore mainly used in the ventilation and air-conditioning industry.
Features- Electrical output signal 0 to 10 V (3-wire)
- Simple and quick mounting
- Maintenance-free
- Maximum operating pressure 20 kPa
Specifications
Accuracy
- 1.5 % of Full Span
Measuring Range
- Option 1: -2 to +2 inH₂O (Factory set) (-0.4 to +0.4 inH₂O, -1 to +1 inH₂O, -1.2 to +1.2 inH₂O Selectable via Jumpers)
- Option 2: 0 to 10 inH₂O (Factory set) (0 to 0.4 inH₂O, 0 to 1 inH₂O, 0 to 4 inH₂O Selectable via Jumpers)
Maximum Pressure
- 100 inH₂O
Permissible Temperature
- Ambient: -4° to 158° F
- Media: 14° to 122° F (23° to 122° F with Automatic Zero Adjustment)
Ingress Protection
- IP54
Process Connection
- Copper Alloy, for 1/8" or 1/4" Hose I.D.
Measuring Element
- Piezo Measuring Cell
Zero Point Adjustment
- By Pressing the "Up" and " Down" Arrow Keys Simultaneously
Case / Cover
- Plastic (ABS) / Plastic (PC)
Electrical Connection
- Screw Terminals, Max. 1.5 mm²
- Cable Gland M16 and M20
Output Signal
- 0-10 V, 2-Wire, Load Resistance min. 1 kOhm
Supply Voltage
- AC 24 V ± 10 % or DC 21-35 V
Current Supply
- 35 mA + Switch (7 mA Each) + Instrument with Automatic Zero Adjustment (20 mA) + 0-10 V Output (10 mA), Max. 80 mA
Long-term Stability
- ≤ ± 0.03 inH₂O
- ≤ ± 0.004 inH₂O with Automatic Zero Adjustment (Option)
- For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases
- Differential pressure monitoring in filters and clean rooms