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Extech AN 100 CFM/CMM Thermo Anemometer

KSh 30298

In stock

Extech AN 100 CFM/CMM Thermo Anemometer can measure Air Flow or Air Velocity in addition to Ambient Temperature. It can be the perfect solution for the measurement of airflow/ air velocity in HVAC and Ventilation systems. Easy to set Area dimensions are stored in the meter’s internal memory of each unit (ft² or m²).

Applications: HVAC, Ventilation Systems, Fume hoods, Boiler rooms, Plant/Facilities Maintenance.

Extech AN 100 CFM/CMM Thermo Anemometer can accurately measure Air Velocity, Air Flow (volume) and Temperature. The easy-to-read backlight LCD includes primary and secondary displays with numerous status indications.

Features Of Extech Thermo Anemometer:

  • Auto Power Off.
  • Super Large LCD Backlight Display.
  • Data Hold and MIN/MAX.
  • Simultaneous display of Air Flow or Air Velocity plus Ambient Temperature.
  • Easy to set the dimensions of Area (ft² or m²) are stored in the meter’s internal memory for the next power on.
  • 20 point average for Air Flow.
  • 3% velocity accuracy via low friction 2.83″ D (72 mm) ball bearing vane wheel on 3.9 ft (120 cm) cable.

Additional information



Model No

AN 100

Measuring Parameters

Air Flow, Air Velocity, Temperature

Air Velocity Range

0.4 to 30 m/s

Air Velocity Resolution

0.01 m/s

Air Flow Range

0 to 9999 CMM (m3/min)/ 0 to 9999 CFM (ft3/min)



Air Flow Resolution


Temperature Range

-10 to +60°C

Temperature Accuracy

±2.0°C (4.0°F)

Temperature Resolution

0.1°C / °F


Air velocity/flow sensor: Conventional angled vane arms with lowfriction ball bearing

Storage Temperature

-10 to +60 °C

Storage Humidity

<80% RH

Operating Temperature

0 to 50˚C

Operating Humidity

< 80% RH.


9V Battery


Large LCD Backlit

Battery Life

80 hours approx. (if the Backlight is used continuously, battery life will be reduced significantly)

Auto Power Off

Auto shut off after 20 minutes to preserve battery life

Sampling Rate

1 reading per second approx.

Power Consumption

8.3 mA DC approx


Main instrument: 178 x 74 x 33mm (7.0 x 2.9 x1.2") Sensor Head: 70mm (2.75”) Inside Diameter Sensor Head: 76.2mm (3.0”) Outside Diameter.


725g (1.6 lbs) including battery & probe

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Extech AN 100 CFM/CMM Thermo Anemometer

KSh 30298

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