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Differential Pressure Sensor - A2G-45
Brand: WIKA Instruments Ltd.The 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 inWC (factory set) (-0.4 to +0.4 inWC, -1 to +1 inWC, -1.2 to +1.2 inWC Selectable via Jumpers)
- Option 2: 0 to 10 inWC (factory set) (0 to 0.4 inWC, 0 to 1 inWC, 0 to 4 inWC Selectable via Jumpers)
Maximum Pressure
- 100 inWC
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 ID
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 inWC
- ≤ ±0.004 inWC with Automatic Zero Adjustment (option)