EasyLog | EL-USB-2+

High Accuracy Temperature, Humidity, and Dewpoint Data Logger with USB


This standalone data logger measures over 16,000 readings over a -35 to +80°C (-31 to +176°­­F) and 0 to 100% humidity (RH) range. Easily set up the logger and view downloaded data by plugging the unit into a PC’s USB port and using the free EasyLog software provided. Data can then be graphed, printed and exported to other applications for detailed analysis. Supplied with ½ AA battery and wall mount clip.  


Measurement range
-35°C to 80°C (-31°F to 176°F)
Internal resolution
0.5°C (1°F)
Accuracy (overall error)
0.45°C (0.86°F) typical (5 to 60°C)
Long term stability
<0.02°C (0.04°F) / year
Relative Humidity:
Measurement range
0 to 100%RH
Internal resolution
Accuracy (overall error)
2.05%RH typical (10 to 90%RH)
Long term stability
<0.25%RH / year
Logging Rate
User selectable between 10 seconds and 12 hours
Battery Life
3 Years
Calibration Certificate

Application Info

The EL-USB-2 is suitable for a wide variety of applications. These include:

For application stories on our data loggers, visit our case studies section.


Calibration certificates are available to purchase separately and are traceable to international standards depending on your location.

Click here to view a sample certificate.