Extech
Extech RH490 – Precision Hygro-Thermometer
- SKU:
- RH490
- UPC:
- 793950444900
- Availability:
- Usually ships in 3 business days
Description
Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer. In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapor levels (Grams per Kilogram and Grains per Pound). This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements.
- Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer.
- In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapor levels (Grams per Kilogram and Grains per Pound).
- This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements.
| Model | Extech RH490 |
| Dew Point | -22 to 199 °F (-30 to 100 °C) |
| Relative Humidity | 0 to 100% |
| Relative Humidity Basic Accuracy | ±2% |
| Relative Humidity Max Resolution | 0.1% |
| Temperature (Air) | -22 to 199 °F (-30 to 100 °C) |
| Temperature (Air) Basic Accuracy | ±1.8 °F/1 °C |
| Temperature (Air) Max Resolution | 0.1 °F/ °C |
| Water Vapor | 0 to 1120GPP (0 to 160g/kg) |
| Wet Bulb | 32 to 176 °F (0 to 80 °C) |
| Certifications | CE |
| Dimensions | 7.8 × 1.7 × 1.3" (200 × 45 × 33mm) |
| Power | 1 × 9V battery |
| Warranty | 2 years |
| Weight | 7oz (200g) |
| Included | Complete with carrying case and 9V battery. |
Specifications are subject to manufacturer updates. Refer to current Extech product documentation for complete operating, safety and maintenance requirements.
Extech Limited Warranty
The Extech RH490 is covered by Extech's standard limited warranty for this product. Register your product with Extech promptly after purchase to activate full coverage.
Warranty term, eligibility, registration requirements, exclusions, and coverage are subject to Extech's complete warranty terms for this model.