Extech EasyView Hygro-Thermometer Data Logger – EA25

In stock

This hygro-thermometer features the ability to store up to 15,000 readings for PC download. With a large LCD screen with a bar graph for quick and easy reference.

Extech EasyView Hygro-Thermometer Data Logger – EA25

Stores up to 15,000 readings for PC download and analysis


  • Compact and rugged design features large display and bar graph
  • Programmable Start/Stop data logging time and sample rate of 1 to 86,000 seconds
  • Display any two parameters (Temperature and Humidity or Dew Point, or Wet Bulb) simultaneously
  • Timer function displays the elapsed time (mins : secs and day : hour) to the minimum and maximum readings
  • Switchable °C/°F temperature units
  • Low battery and over range indication
  • Dual display of Relative Humidity, Temperature, Dew Point and Wet Bulb
  • Data Hold, Relative and Max/Min
  • Programmable power off timer
  • Built-in RS-232 PC serial interface comes complete with Windows® 95/98/NT/2000/ME/XP compatible software and optically isolated RS-232 cable
  • Comes complete with:
    • Stand
    • Holster
    • Probe with 39” (1m) cable
    • 6 AAA batteries
    • Carrying case
  • 1 year warranty

This hygro-thermometer is a highly accurate way to measure temperature, relative humidity, wet bulb and the dew point. With a very high 2% RH accuracy with a fast 30 second response time. This meter also has wet bulb measurements to help determine the relative humidity and dew point. This meter has the added ability to store up to 15,000 readings for download to a PC for analysis and manipulation. With a digital display and bar graph for clear referencing.

Applications for this meter include monitoring temperature and humidity in greenhouses, warehouses, saunas, museums, storage areas and regular houses. Humidity is very important for living spaces due to its ability to cause skin damage when too low and promote mildew or dust mite growth when too high. The EA25 EasyView Hygro-Thermometer Data Logger User Manual is attached to this page to answer any additional questions.


  • Humidity Range: 10% to 95%
  • Humidity Resolution: 0.1%
  • Temperature Range: -4 to 140°F (-20 to 60°C)
  • Temperature Resolution: 0.1°
  • Dimensions: 5.9 x 2.8 x 1.4" (150 x 72 x 35mm)
  • Weight: 8.3oz. (235g)

Unit Ship Weight: 1 lb

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