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Extech RH490 Precision Psychrometer
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Extech RH490
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Features:
- Less then 30 seconds of RH response time
- Water vapor in GPP
- Dual backlit display
- Simultaneous display of:
Humidity/Temperature
Humidity/Dew Point
Humidity/Wet Bulb
- Slim design with rubberized side grips
- Data Hold and Min/Max functions
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| RH490 |
PSYCHROMETER, PRECISION |
| $319.99 |  |
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| MO280-RK-i5 |
Thermal Imaging Technician’s Kit |
| $2629.00 | |
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Specifications
| Humidity |
0 to 100%RH |
| Temperature (internal) |
-4 to 199°F (-20 to 100°C) |
| Basic Accuracy |
±2%RH, ±1.8°F/1°C |
| Max. Resolution |
0.1%RH, 0.1°F/°C |
| Dewpoint |
-22 to 199°F (-30 to 100°C) |
| Wet Bulb |
32 to 176 °F (0 to 80°C) |
| Absolute Humidity |
0 to 1120GPP (0 to 160g/kg) |
| Dimensions |
7.8x1.7x1.3" (200x45x33mm) |
| Weight |
7oz (200g) |
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