Model A2G-10

Differential Pressure Gauges

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  • 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

Product 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)


Per EN 837-3 and HVAC regulations

Nominal size

± 3.0 % of full span
± 5.0 % of full span, ranges ≤ 0.5 InWC (125 Pa)

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)

Max working pressure (static pressure)
80 InWC (20 kPa)

Temperature limits
Ambient: -22 °F... 176°F (-30oC...+80oC)
Media: 3 °F...122°F  (-16oC...+50oC)

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 (IP 54 per EN 60529 / IEC 529)

Process connection
Lower mount (LM) or back mount G 1/8 female for hose connector
Supplied with straight or angled hose barb adaptors 1/8", 3/16" (standard). 1/4" hose barb adaptors available

Separating diaphragm
Silicone rubber

Frictionless magnetic transmission

Aluminum, scale over 90 degrees of angle

Plastic black

Housing/Mounting case
Black thermoplastic, high impact resistant


Differential Pressure Gauges
  • Differential Pressure GaugesMeasuring instruments for ventilation and air-conditioning
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