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Model A2G-10 Differential Pressure Gauge
Brand: WIKA Alexander Wiegand SE & Co. KGFor ventilation and air-conditioning, NS 110.
Features- Zero adjustment in front
- Simple mounting and dismounting
- Two part construction (measuring element and case)
- Scale ranges from 0.2 InWC (50 Pa) to 50 InWC (12,500 Pa)
- Options:
- Ingress protection, NEMA 4 (IP 65)
- Red mark pointer
- Internationally recognized traceable calibration certificate
- Measuring hose PVC or silicone, inner diameter 4 or 6 mm, length 25 m PVC or silicone tube ⅛” or ¼” inside diameter
- 2 duct connectors
- Output signal 4... 20 mA, 2-wire, power supply DC 14 V or output signal 0 ...10 V, 3-wire, power supply DC 15V (see datasheet A2G-15)
- Without mounting case
Specifications
Design
- Per EN 837-3 and HVac regulations
Nominal Size
- 4-1/2”
Accuracy
- ± 3.0 % of Full Span
- ± 5.0 % of Full Span, Ranges ≤ 0.5 InWC (125 Pa)
Ranges
- 0 / 0.2 InWC (50 Pa) up to 0 / 50 InWC (12,500 Pa)
Pressure Units
- InWc (Standard)
- Other available units: kPa, Pa, mmWC, cmWC, mmHg
Compound Ranges
- Starting from -0.1 / +0.1 InWC (-25/+25 Pa) (Other Pressure units and dual scales are available)
Pressure Limitation
- Steady: Full Scale Value
- Fluctuating: Full Scale Value
Overpressure Safety
- 80 InWC (20 kPa)
Maximum Working Pressure (Static Pressure)
- 80 InWC (20 kPa)
Temperature Limits
- Ambient: -22° F... 176° F (-30° C... +80° C)
- Media: 3° F...122° F (-16° C... +50° C)
Temperature Error
- Additional error when temperature changes from reference temperature of 68° F (20° C) ± 0.5 % of Span for every 18° F (10° K) rising or falling
Ingress Protection
- NEMA 3 (IP54 per EN 60529 / IEC 529)
- For dry, clean, non-aggressive gases, usually air
- Monitoring of blowers and ventilators
- Filter monitoring via differential pressure
- Positive overpressure in clean rooms
- Positive and negative pressure in isolation chambers
