Lascar EL-USB-3

  • 0-30 VDC Measurement Range
  • User programmable sample rate and alarm limits
  • 32,000 Point storage capacity
  • USB interface for set-up and download via PC (not Mac compatible)
  • Configuration and graphing software included
  • Screw terminal connections
  • Replaceable battery



The Lascar EL-USB-3 USB Voltage Data Logger is a standalone data logger that measures more than 32,000 readings over a 0 to 30V d.c. range at a resolution of 5mV d.c. The data logger is supplied with a 0 to 30V d.c. cap featuring a pair of screw terminals and measurement leads terminating in crocodile clips. 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.

The EL-USB-3 is suitable for a wide variety of applications. These include:

  • Industrial
  • Energy


Specifications Minimum Typical Maximum Unit
0-30V d.c. measurement range 0 30 V d.c.
Internal resolution 50 mV d.c.
Accuracy (overall error) ±1 %
Logging rate every 1s every 12 hr
Operating temperature range -35 (-31) +80 (+176) °C (°F)
1/2AA 3.6V Lithium Battery Life 1* Year
Dimensions 98 x 26.8 x 26.8 mm

* depending on ambient temperature, logging rate and use of alarm LED.


The core of Lascar’s data logging solution is the free software supplied with each data logger. Using a wizard format to guide the user through setup of the data logger and subsequent download of collected data, the software puts the ‘easy’ into EasyLog. Compatible with 32-bit and 64-bit versions of Windows 7, 8 and 10. (not compatible with Mac or Linux).