Diagnostic
RH490 Precision Hygro-Thermometer
Anyone whose profession relies on measuring humidity levels will appreciate the Extech RH490 hygro-psychrometer. In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapour levels (Grammes per Kilogramme and Grains per Pound).
| Humidity | 0 to 100%RH |
|---|---|
| Temperature (Internal) | -30...100°C |
| Basic Accuracy | ±2%RH, ±1.8°F/1°C |
| Max. Resolution | 0.1%RH, 0.1°F/°C |
| Dewpoint | -30...100°C |
| Wet Bulb | 0...80°C |
| Absolute Humidity | 0...160g/kg |
| Dimensions | 200x45x33mm |
| Weight | 200g |
Anyone whose profession relies on measuring humidity levels will appreciate the Extech RH490 hygro-psychrometer. In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapour levels (Grammes per Kilogramme 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.
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Erik-Jan Visser
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