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Extech RH490 Thermo‑Hygrometer with Grains Per Pound (GPP)
Product Highlights
- Humidity range: 0% to 100%
- Humidity accuracy: +/-2%
- Temperature range:-4° to 199°
- Temperature accuracy: +/-1.8°
- Also measures dewpoint, wet bulb and grains per pound (GPP)
Return Policy 
Shipping Policy We pay the shipping charge, including hazardous material fees, on this item. There's no catch. No "buy this to get that" requirement.
Note: If your order contains items that are not eligible for free shipping, your order total will include our competitive shipping rates for those non-eligible items only. This shipping policy only applies to orders shipped within the Contiguous U.S.
Product Description
The Extech RH490 Thermo-Hygrometer is well known in the restoration community for its fast response time load of features. It also offers operators unparalleled accuracy and durability. Comes with a carry case and 9V battery.
Features:
- Less than 30 seconds RH response time
- Water vapor in GPP (g/kg)
- Dual backlit display
- Simultaneous display of: Humidity or GPP (g/kg) plus Temperature, Humidity or GPP (g/kg) plus Dew Point, and Humidity or GPP (g/kg) plus Wet Bulb
- Slim design with rubberized sides for better grip and for one hand operation
- Data Hold and Min/Max functions
- Auto power off with disable and low battery indicator
- Complete with carrying case and 9V battery
Specifications:
- Humidity: 0 to 100% RH
- Temperature (internal): -4 to 199°F
- Accuracy: ±2%RH
- Max. Resolution: 0.1%RH
- Dewpoint: -22 to 199°F
- Wet Bulb: 32 to 176 °F
- Absolute Humidity: 0 to 1120GPP
- Dimensions: 7.8" x 1.7" x 1.3"
- Weight: 7 oz
Product Description
Technical Specifications
| Primary Stock Status | Discontinued |
|---|---|
| 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, GPP, 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 |
Documents
Special orders and drop-ship products that ship directly from the manufacturer do not qualify for our satisfaction guarantee and are not eligible for return, regardless of condition. Defects or damages must be reported within 48 hours of receipt in order to receive a replacement. Once placed, these orders cannot be canceled.Return policy
