Model A2G-25

Air Flow Meter Type A2G-25, air2guide

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  • 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

Special Features

  • Easy installation
  • User-friendly display
  • Easy-to-read LCD display
  • Temperature compensated
  • Output signals for differential pressure and air volume flow


In accordance with the CE requirements of EMC Directive 89/336/EEC, ROHS Directive 2002/95/EY

At 4 InWC and 8 InWC ± 0.02 InWC: ±1.5 % of display

At 20 InWC and 28 InWC : ±0.03 InWC: ±1.5 % of display

Display ranges

0 ... 4 InWC, 0 ... 8 InWC, 0 ... 20 InWC or 0 ... 28 InWC
Selectable units on the display: LPM, m3/s, m3/h, cfm, l/s, scfh, mbar, mmWC, kPa or Pa

Long-term stability
At 4 InWC and 8 InWC: ±0.03 InWC
At 20 InWC and 28 InWC: ±0.1 InWC
Manual zero adjustment (standard)
Automatic zero adjustment (optional): ±0.03 InWC

Maximum working pressure
100 InWC

Operating temperature
Ambient: -4...+160°F
Medium: 23 ... +122 °F

Permissible ambient humidity
0 ... 95 % rH, non-condensing

Ingress protection
NEMA 3 (IP54 per EN 60529 / IEC 529)

5.2 ounces (150 grams )

Air Flow Meter Type A2G-25, air2guide
  • Air Flow Meter Type A2G-25, air2guideMeasuring instruments for ventilation and air-conditioning
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