GM8902 Benetech Digital Air Flow Anemometer

This digital anemometer is a professional tool for industrial and home purposes such as measuring speed and temperature of air-conditioners, CPU computer fans, airflow over the roof or walls. It also measure wind flow in CMM or CFM, special measurement of 2/3 Vmax and average wind flow. USB connected to computer for real time meaurement or download measured data.
Technical Function and Specification:

• Measurement items: Air velocity, Air temperature & Air quantity

• Measurement range

• Air velocity: 0.3~45 m/s

• Air temperature: 0~45ºC, 32~113ºF

• Unit of Velocity: m/s, ft/min, knots, km/hr, mph

• ºC/ºF Selection

• Air temperature measuring error: ± 2℃

• Air velocity measuring error: ± 3%  ±0.1dgts

• Measurement of 2/3 Vmax and average wind flow

• Backlight display

• Max/Min reading (Air velocity)

• Average/Current reading (Air velocity)

• Data holding, Data record and Data clear function

• Wind chill indication

• Low battery indication

• Manual/Auto power shut off (10 minutes without any operation)

• Storage memory of 500 records

• Connecting to computer with USB cable

• Operating temperature: 0ºC ~ +50ºC (32ºF ~ 122ºF)

• Operating humidity: <= 80%RH

• Store temperature: -40ºC ~ +60ºC (-40ºF ~ 140ºF)

• Store humidity: <= 80%RH

• Power supply: AAA 1.5V battery * 4pcs

• Dimension:

• Main unit: 77 x 36 x 164mm

• Vane: 172 x 65 x 29mm

• Net weight: 330g (excluding battery)

• Compliant to CE/ROHS/FCC standard

Air Velocity Measurement (unit):

• M/s

• Range: 0.0 - 45.0

• Resolution: 0.001

• Lowest Point of start value: 0.3

• Accuracy: +/-3% +/-0.1dgts

• Km/hr(kph)

• Range: 0.0 - 140.0

• Resolution: 0.001

• Lowest Point of start value: 1.0

• Accuracy: +/-3% +/-0.4dgts

• Mph

• Range: 0.0 - 100

• Resolution: 0.001/0.01

• Lowest Point of start value: 0.7

• Accuracy: +/-3% +/-0.2dgts

• Knots(kts)

• Range: 0.0 - 88.0

• Resolution: 0.01

• Lowest Point of start value: 0.6

• Accuracy: +/-3% +/-0.2dgts

• Ft/min(fpm)

• Range: 0.0 - 8800

• Resolution: 0.01/0.1/1

• Lowest Point of start value: 60

• Accuracy: +/-3% +/-20dgts

Wind flow range:

• CFM (ft3/mim)

• Range: 0 ~ 999,900

• Resolution: 0.001 ~ 100

• Area: 0.001 ~ 9999

• CMM (m3/min)

• Range: 0 ~ 999,900

• Resolution: 0.001 ~ 100

• Area: 0.001 ~ 9999

Temperature:

• Celsius

• Range: 0.0ºC - +45.0ºC

• Resolution: 0.1

• Accuracy: +/- 1.0ºC

• Farenheit

• Range: 32.0ºF - 113.0ºF

• Resolution: 0.1

• Accuracy:+/- 1.8ºF