Current Data Logger With USB – Lascar EL-USB-4


  • 4-20mA d.c. current loop measurement range
  • Stores over 32,000 readings
  • Logging rates between 1 second and 12 hours
  • Connection via two screw terminals
  • Immediate and delayed logging start
  • User-programmable alarm thresholds
  • Status indication via red and green LEDs
  • EasyLog software available as a free download.
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This standalone data logger measures more than 32,000 readings over a 4-20mA d.c. measurement range. The data logger is supplied with a 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-4 is suitable for a wide variety of applications. This includes:

  • Outside Environmental Data


Measurement Range 4 to 20mA d.c.
Internal Resolution 0.05mA d.c.
Accuracy ±1%
Input Impedance 110 Ohms
Logging Rate User selectable between 1 second and 12 hours
Operating Temperature Range -35 to +80°C (-31 to +176°F)
Battery Life 3 Years (at 25°C and 2 second logging rate)
Readings 32,510
Dimensions 98 x 26.8 x 26.8 mm (3.85 x 1.05 x 1.05”)


Lascar EL USB 4 Current Data Logger with USB_DpstarGroup