description

vane anemometer/humidity/temperature
model : ah-4223
* air velocity : 0.4 to 30.0 m/s, ft/min., km/h, mile/h, knots.
* humidity : 10% to 95% rh, dew.
* temperature : 0 to 50 oc, oc/of.
* all in one, hand held type.
* vane probe for anemometer.
* hold, record ( max., min. ).
* dc 1.5v battery ( um-4, aaa ) x 4.