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Original price was: $215.99.$99.99Current price is: $99.99.
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The Extech Precision Psychrometer RH390 has a high 2% RH accuracy, a fast response time, less than 30 seconds, and a dual backlit display.
The RH390 can simultaneously display humidity and temperature, humidity and dew point, or humidity and wet bulb measurements.
Features
- Offers a dual backlit display
- Made with a slim design complete with rubberized sides for better grip and for one hand use
- Includes Data Hold and Min/Max functions
- Auto-powers off with disable feature
- Alerts user with low battery indicator
- Has a simultaneous display of humidity/temperature, humidity/dew point or humidity/wet bulb
| Humidity | 0 to 100%RH |
| Internal Temperature | -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) |
| Dimensions | 7.8″ H x 1.7″ W x 1.3″ D |
| Weight | 7 oz (200g) |
| NIST Calibration | NIST Calibration Certification – add 5 day lead time, Standard model with factory calibration |
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