The Extech RH390 features the highest 2% RH accuracy in under 30 Seconds!
The Extech RH390 Thermo-Hygrometer is well known in the restoration industry for its fast response time. It also offers operators unparalleled accuracy and durability. Comes with a carry case and 9V battery.
|Warranty Information||One (1) year from the date of purchase on parts and labor|
|Thermo-Hygrometer Calculations||Dew Point, Rh, Temp, Wet Bulb|
|Thermo-Hygrometer RH Range||0 to 100%|
|Thermo-Hygrometer Temp Accuracy||± 1.8°F|
|Thermo-Hygrometer Temp Range||-22° to 199°F|
|Thermo-Hygrometer RH Accuracy||+/- 2%|