Buy Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer

Review: Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer

Amazon: Customer Reviews: Extech RH390 Precision Dual Display 4 stars. "Portable, Accurate Unit" This unit is portable and reliably accurate. I use it for verifying real-time temperature & dew-point data from my Davis Vantage

The Extech precision humidity meter features simultaneous displays of humidity/temperature, humidity/dew point or humidity/wet bulb on its display. Display Type: Dual display, Battery Included: Yes, Low Battery Indicator: Yes, Accuracy: ±2%RH, ±1.8deg F/1deg C, Style: Nonpenetrating sensor, Case Included: Yes, Functions (qty.): 6, Auto On/Off: Yes, Backlit Display: Yes, Dimensions L x W x H (in.): 7 13/16 x 1 11/16 x 3, Resolution: 0.1%RH, 0.1deg F/deg C, Battery Type: 9V

Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer

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Extech RH390 Precision Dual Display Hygro 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

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