EasyLog 21CFR High Accuracy Temp & RH Data Logger - EL-21CFR-2-LCD+

EasyLog 21CFR High Accuracy Temp & RH Data Logger - EL-21CFR-2-LCD+

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This high accuracy 21 CFR Part 11 compliant standalone data logger measures more than 16,000 readings over a -35 to +80°C (-31 to +176°­­F) and 0 to 100% relative humidity (RH) range. At the touch of a button, use the on-board display to cycle between the current, minimum and maximum logs seen during the session for both temperature and humidity.

Why Buy a 21CFR Logger?
The 21 CFR Part 11 regulations issued by the US Food and Drug Administration (FDA) give the criteria under which electronic records can be considered by the FDA as equivalent to paper records. If you need to meet these regulations or have enhanced data security requirements then you should choose one of our 21CFR loggers, otherwise our standard loggers will suffice. 

Used in conjunction with Lascar's 21CFR Part 11 software, the logger enjoys all of the core offerings of the original EasyLog software, but with additional 21CFR characteristics including user permissions, encrypted data which cannot be edited, full audit trail and electronic signatures for all activity.

Easily set up the logger and view downloaded data by plugging the unit into a PC’s USB port and using the free 21CFR Part 11 software provided. 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


Logging rate

User selectable between 10 seconds & 12 hours

Battery life

2 years (at 25°C and 1 minute logging rate, LCD on)

Calibration Certificate

Available Separately

Application Info

The EL-21CFR-2-LCD+ has been specifically developed to meet the data security required by the FDA's 21CFR part 11 regulations. As such it is suitable for use in applications where the integrity of the data is of the highest importance.

  • Vaccine Storage
  • Blood & Blood Component Storage
  • Cold Chain in the Pharma Industry
  • Veterinary



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

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