Extech EA25
EasyView Hygro-Thermometer and Datalogger

  • Compact and rugged design features large display and bargraph
  • Display any two parameters (Temperature and Humidity or Dew Point, or Wet Bulb) simultaneously
  • Min/Max function stores & recalls highest and lowest readings
  • Timer function displays the elapsed time (mins : secs and day : hour) to the minimum and maximum readings
  • Programmable auto power off time frame
  • Remote capacitance sensor with 39" (1m) coiled cable
  • Switchable °C/°F temperature units
  • Data Hold function freezes reading on display
  • Auto power off to save battery life
  • Low battery and overrange indication
  • Stores up to 99 manual readings for display recall or up to 15,000 readings for PC download
  • Programmable Start/Stop datalogging time and sample rate of 1 to 86,000 seconds
  • For non-datalogging model see: Extech EA20
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Extech EA25 Shown
Product Information
Datasheet 361 KB
Manual 527 KB
PDF Help
Ordering Information
Model Description Buy Online Price
EA25Extech EA25 Hygro-Thermometer Datalogger Buy Now$389.99
EA25-NISTExtech EA25 Hygro-Thermometer w/ NIST Buy Now$514.99
Optional Configurations
EA20Extech EA20 EasyView 20 - Series Hygro-Thermometer Buy Now$239.99
EA20-NISTExtech EA20 Hygro-Thermometer w/ NIST Buy Now$364.99
Included Accessories
  • 1 - Built-in stand
  • 1 - Protective holster
  • 1 - Probe
  • 6 - AAA batteries

*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.