EasyLog | EL-GFX-D2

Dual Channel Temp, RH & Dew Point Data Logger with External Probe


This dual channel data logger measures and stores over 250,000 temperature and relative humidity readings using up to two external temperature & humidity probes*. It has user-programmable, audible alarm thresholds with confidence/alarm LEDs. 

Its high contrast, dot-matrix LCD with three face-buttons for navigation gives real-time trend analysis, data summaries and the ability to start, stop and restart the data logger without connecting to a PC. EasyLog USB software enables quick configuration and data download via the USB port. Supplied with two lithium batteries, which can typically allow logging for up to 1 year. It can also be powered from USB.

  • Logging rates between 10 seconds and 1 hour
  • Stores over 250,000 readings per channel for temperature and humidity
  • User triggered logging mode
  • Up to two channels supported (supplied with one probe)

*only one probe is included with the device.

PLEASE NOTE: You can add up to FOUR SPARE BATTERIES for every data logger ordered.  If you wish to order more than this quantity, please contact your local sales office for special shipping information.


Measurement Range
-30 to +80ºC (-22 to +176ºF)
Accuracy (overall error)
±0.3ºC (±0.6ºF) typical
0.1ºC (0.2ºF)
Relative Humidity:
Measurement Range
0 to 100%RH
Accuracy (overall error)
±2.05%RH typical (20 to 80%RH)
Dew Point Accuracy
±1.1ºC (±2.0ºF) typical
Probe Cable Length
2m (only one probe supplied)
Battery Life
1 year

Application Info

The EL-GFX-D2 is particularly suitable for any application where you need to separate the logger from its sensor - perhaps for aesthetic reasons or logistical restrictions.  Applications 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.