EL-USB-2 Lascar Humidity and Temperature USB Logger

Lascar Data Recorder Measuring and Logging Relative Humidity and Temperature
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  • Measure Temperature and Humidity Readings Using Internal Sensor
  • -35°C to 80°C and 0 to 100% RH Measurement Ranges
  • ±0.55°C and ±2.25% RH Accuracy
  • Powered by User-Replaceable 1/2 AA Lithium Battery with 3 Year Typical Battery Life
  • Red and Green LED Indicator Lights
  • Available in Special Discounted 5 Pack

Includes Protective Cap and 1/2 AA Lithium Battery. PC Compatible Software Available for Download.

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Lascar EL-USB-2 USB Humidity and Temperature Data Logger

The Lascar EL-USB-2 is an easy to use USB temperature and humidity data logger with an integrated USB plug. This is a standalone data logger that can measure and store more than 16,000 temperature and relative humidity readings with a time date stamp and has a working range of -31°F to +176°F (-35°C to +80°C) at a resolution of 1°F (.5°C) and 0.5 % relative humidity. The EL-USB series of loggers from Lascar are some of the simplest to setup and use. Downloaded data can then be viewed using the company’s free EasyLog software. The user can then graph, print and export the data, included the calculated dew point, into various applications for further analysis.

Lascar EL-USB-2 USB Humidity Data Logger Specifications

Data Storage Capacity 16,382 Temp and Humidity Readings (32,764 Total Readings/Samples)
Humidity Measurements Range: 0 to 100% RH
Repeatability: ±0.1%RH
Accuracy: ±2.25%RH Overall (20 to 80% RH)
Internal Resolution: 0.5 %RH
Long Term Stability: 0.5 % RH per Year
Temperature Measurements Range: -35°C to 80°C (-31°F to 176°F)
Repeatability: ±0.1°C (±0.2°F)
Accuracy: ±0.55°C (±1°F) Overall
Internal Resolution: ±0.5°C (±1°F) Overall
Dew Point Accuracy
(overall error)
(25°C, 40-100%RH)
±1.1°C (±2°F)
Note: This Specifies the Overall Error in the Calculated Dew Point, for Relative Humidity Measurements Between 40% and 100% RH at 25°C
Sampling Rate Once every 10 seconds to once every 12 hours
Operating Range -35°C to 80°C (-31°F to 176°F)
OS Compatibility Windows 10, 8 and 7 (32-bit and 64-Bit Versions)
Battery 1/2AA 3.6V Lithium Battery
Battery Life Up to 3 Years
NOTE: Depending on Sample Rate, Temperature and Use of Alarm LEDs
Standard Compliance IP67, RoHS
Weight 1.1 oz
Dimensions 103mm x 26.4mm (4.06" x 1.04")
Product Videos
A Step-by-Step Video on How to Setup Your Lascar EasyLog Data Logger.
A Step-By-Step Instructional Video on How to Download the Recorded Data to your PC or Laptop Using the EasyLog PC Software.
Software Downloads
(Size: 18.41 MB)
EL-WIN Software Version 7.7 Compatible with Windows 10, 8 and 7.
User Manuals and Product Guides
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Customer Questions
Is the software compatible with Windows 10?

Yes, it will work with Windows10. 

If we order 2 loggers, does the calibration service cover only 1 or 2 units?

You must add a calibration option for each logger you purchase.  If you choose the calibration option and change the quantity ordered to "2" it will add calibration for both loggers. 

does this data logger come with a NIST traceable calibration certificate?

A NIST traceable certificate is available as an option however the loggers do not come with them. 

Can this unit be used to continuously monitor conditions while plugged into a computer? In that situation, can the software be configured to send alerts or provide live updates? If yes, can more than one unit function plugged into a computer at a time?

You can have this unit log data while still plugged into a computer however it will still be powered by the battery and not USB.  The built in USB plug is only used to plug it in for configuring the logger and downloading data.  Other than that you would typically remove it from the PC and place it wherever you wanted to record data.  There is no way to monitor the data in real time or receive alerts. 

Is this certified to be accurate as a new product? Can this be sent back in for calibration?

The device will perform within its specification for accuracy out of the box and is covered by the manufactures warranty for one year.  It can be sent back in for calibration. 

Are there any LabView configuration or downloading resources/libraries available for the EL-USB-2?

I’m afraid not.  The EL-USB-2 only works with the Lascar EasyLog USB software. The only way to get the data out of that software is to export it via .csv.

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