Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer
by Extech Instruments
Product Details
Manufacturer: Extech InstrumentsModel: RH390
Product features:
- Measures relative humidity from 0 to 100% and temperature from -4 to 140° F (-20 to 60° C)
- Accuracy ±2% from 20% to 90%; ±1.8°F (±1°C)
- Dual display of humidity and temperature or humidity and dew point or humidity and wet bulb
- Capacitance sensor responds under to humidity changes in under 30 seconds
- Slim design with rubberized ides for better grip
Description of Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer
The Extech precision humidity meter features simultaneous displays of humidity/temperature, humidity/dew point or humidity/wet bulb on its display. Style: Nonpenetrating sensor, Resolution: 0.1%RH, 0.1deg F/deg C, Functions (qty.): 6, Accuracy: ±2%RH, ±1.8deg F/1deg C, Low Battery Indicator: Yes, Battery Included: Yes, Battery Type: 9V, Backlit Display: Yes, Display Type: Dual display, Auto On/Off: Yes, Dimensions L x W x H (in.): 7 13/16 x 1 11/16 x 3, Case Included: YesTools and Hardware Reviews of Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer
Customer Review: Great lab instrument at consumer price.
Summary: 5 Stars
The unit responds fairly quickly. It is very useful in checking ambient conditions of experiments, or stick in the oven to verify the temperature.
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