Part No.
GM816

Operations:

  1. Turn on
  2. Set unit of air velocity and measuring mode
  3. Set temperature unit
  4. Backlight display
  5. Measurement
  6. Turn off
  7. Auto power shut off
  8. Change battery

Functions:

  1. Air Velocity & Temperature Measurement
  2. Max / Average / Current air velocity measurement
  3. ℃ / ℉ Temperature unit selection;
  4. Five units of air velocity: M/s, Km/h, ft/min, Knots, mph
  5. Beaufort scale;
  6. Backlight display;
  7. Manual / Auto power shut off;
  8. Wind chill indication;
  9. Low battery indication.

Specification:

A.Air velocity
Unit Range Resolution Threshold Accuracy
M/s 0~30 0.1 0.1 ±5%
Ft/min 0~5860 19 39
Knots 0~55 0.2 0.1
Km/hr 0~90 0.3 0.3
Mph 0~65 0.2 0.2
B.Temperature
Unit Range Resolution Accuracy
-10℃~+45℃ 0.2 ±2℃
14℉~113℉ 0.36 ±3.6℉
Battery CR2032 3.0V (included)
Thermometer NTC thermometer
Operating temperature -10℃~+45℃(14℉~113℉)
Operating humidity Less than 90%Rh
Store temperature -40℃~+60℃(-40℉~140℉)
Current consumption Approx.3mA
Weight 52g
Dimension 40x18x105mm