XTECH Precision Hygro-Thermometer Psychrometers (RH390)

Out of stock
SKU: RH390
Regular price 750.00 SR

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The Extech RH390 is a precision hygrometer and psychrometer designed for simultaneous measurement of humidity and temperature. This handheld device is ideal for applications in HVAC, environmental monitoring, and industrial processes.

Features
  • Measurement Capabilities:
    • Temperature Range: -22°F to 199°F (-30°C to 100°C)
    • Relative Humidity Range: 0% to 100% RH
    • Dew Point Range: -22°F to 199°F (-30°C to 100°C)
    • Wet Bulb Temperature Range: 32°F to 176°F (0°C to 80°C)
  • Accuracy:
    • Relative Humidity: ±2% accuracy between 20% and 90% RH
    • Temperature: ±1.8°F (±1°C)
  • Display: Dual illuminated display that can show wet bulb and humidity, dew point and humidity, or temperature and humidity simultaneously.
  • Data Hold Function: Allows users to freeze the current reading for later reference.
  • Auto Power Off: The device features an auto power-off function to conserve battery life.
  • Included Accessories: Comes with a carrying case and a 9V battery for immediate use.
Specifications
Specification Details
Model RH390
Temperature Range -22°F to 199°F (-30°C to 100°C)
Humidity Range 0% to 100% RH
Dew Point Range -22°F to 199°F (-30°C to 100°C)
Wet Bulb Range 32°F to 176°F (0°C to 80°C)
Basic Accuracy (Humidity) ±2% (20% to 90% RH)
Basic Accuracy (Temperature) ±1.8°F (±1°C)
Dimensions 7.8 × 1.7 × 1.3 inches
Weight 7 oz (200 g)
Power Supply 1 × 9V battery
Warranty 2 years
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XTECH Precision Hygro-Thermometer Psychrometers (RH390)