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Lascar EL-SIE-2 Temperature and humidity data logger with display


Lascar EL-SIE-2 temperature and humidity data logger with display and USB Interface.
EasyLog Cloud compliant.

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Monitor the environment you live and work in with the EasyLog EL-SIE-2. Advanced onboard software means there is nothing to install on your PC or Mac – simply connect the logger with a USB cable and use your web browser to configure the device and view, analyse and download your data. It really couldn’t be easier.

The bright and clear display shows current readings and device status at a glance, and the product is supplied with a bracket for secure wall mounting. EL-SIE-2 uses standard AAA batteries and typical battery life is over 1 year.

The EL-SIE-2 version measures temperature and relative humidity. Other models that measure temperature only, or temperature, humidity, and pressure, are available, as well as standard and high-accuracy versions. Key markets include facilities and building management, logistics, warehouses and storage, and clean rooms and other pressure-sensitive environments.

The logging interval can be set between 10 seconds and 24 hours, with immediate, delayed, triggered or push-to-start logging.

Alarms are fully user configurable, with functionality including cumulative alarms, pre-alarms, a delay before alarm triggering, and an alarm hold option, which continues showing the alarm condition even if the reading returns to an acceptable level.

The display shows current, maximum and minimum readings, and three coloured LEDs indicate device status at a glance.

Once logging is complete, re-connect to your computer and use your browser to view, analyse and save your data. You can also choose to upload your data to an Easy Log Cloud account, making the data accessible online for powerful graphing, analysis and report generation.

Typical battery life is over 1 year using standard AAA alkaline batteries, and a wall mounting bracket is supplied with the device.

No Software to install
All the software needed to configure your EL-SIE-2, and view and analyse the data it logs, is contained within the product itself. Just connect the logger to your PC or Mac with a USB cable, open any web browser and in the address bar type “http://EasyLog.local”. No internet connection is needed, and you can save this address in your bookmarks or favourites as normal.


The interface is easy to use and allows the following parameters to be configured:

  • Logger and channel names
  • Measurement units
  • Logging rate and start mode
  • Up to 16 separate alarms (high/low/pre-alarm/cumulative)  with thresholds, delay and hold
  • Display and LED indicator modes

Once the logger is running, you can plug it back into your computer and see the latest data, device status and the event log. You can also choose to stop the logger and change the configuration, or just let it continue logging.

EasyLog Cloud
Store your data securely, and make it available from any internet-connected PC or mobile device, with
EasyLog Cloud. The EL-SIE-1 can upload logged data to the Cloud from your PC or Mac, making sharing and analysis easier than ever. For more information and to set up an account on EasyLog Cloud, visit www.easylogcloud.com

Included in the box

  • 2 x AAA 1.5V alkaline batteries (BAT 1V5 AAA)
  • Mounting bracket (EL-SIE WALL BRACKET)
  • USB A to USB C Cable (CABLE USB 3.1 C 0.5M)
Product Details

Data sheet

Measurement parameter
Temperature & Humidity
With display

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Lascar EL-SIE-2 Temperature and humidity data logger with display

Lascar EL-SIE-2 Temperature and humidity data logger with display

Lascar EL-SIE-2 temperature and humidity data logger with display and USB Interface.
EasyLog Cloud compliant.

Write your review
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