Extech RH390 Precision Thermo‑Hygrometer
SKU#: OE-RH390-EA
$236.69
$236.69
In stock
Product Highlights
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.
- Humidity range: 0% to 100%
- Humidity accuracy: +/-2%
- Temperature range:-4° to 199°
- Temperature accuracy: +/-1.8°
- Also measures dew point




Product Description
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. It comes with a carry case and 9V battery.
Features:
- Less than 30 seconds RH response time
- Dual, backlit display
- Simultaneous display of: Humidity/Temperature, Humidity/Dewpoint and Humidity/Wet Bulb
- Slim design with rubberized sides for better grip and one-hand operation
- Data hold and Min/Max functions
- Auto power-off with disable and low-battery indicators
- Comes with carrying case and 9V Battery
Specifications:
- Humidity: 0 to 100%RH
- Temperature: -4 to 199°F
- Basic Accuracy: ±2%RH
- Max. Resolution: 0.1%RH
- Dewpoint: -22 to 199°F
- Wet Bulb: 32 to 176 °F
Technical Specifications
Primary Stock Status | Managed Inventory Standard |
---|---|
Brand | Extech |
Thermo-Hygrometer RH Accuracy | +/- 2% |
Thermo-Hygrometer Temp Accuracy | ± 1.8°F |
Thermo-Hygrometer Temp Range | -22° to 199°F |
Thermo-Hygrometer Calculations | Dew Point, Rh, Temp, Wet Bulb |
Thermo-Hygrometer Temp Accuracy | ± 1.8°F |
Thermo-Hygrometer RH Range | 0 to 100% |
Category | Thermo-Hygrometer |
Warranty Information | One (1) year from the date of purchase on parts and labor |
Condition | new |
