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Model EL-USB-4

Single Channel Data Logger Measures 4-20mA Current Loop

  • Includes an EL-USB-4 data logger, measurement leads, a battery (pre-installed), and downloadable software
  • 4-20mA Current Loop Measurement Range
  • Logging Rates between 1 second and 12 hours
  • Stores 32,000 readings
  • Connection via two screw terminals
  • USB Interface for Set-up and Data Download
  • User-Programmable Alarm Thresholds
  • Red and Green LED Status Indication
  • Replaceable Internal Lithium Battery
  • Quantity Discount
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EL-USB-4 Data Logger
This data logger has 0.05mA of resolution.This data logger has a single channel.This device measures 0 to 40mA.This data logger can record one sample every second.This data logger has a USB interface.
This data logger records data to internal memory.Get same day shipping when you order this data logger before 3PM ETThis data acquisition system has a 30-day Money back guaranteeUse coupon code EL10USB for 10% off your Lascar data logger purchase.


The EL-USB-4 data logger measures and stores up to 32,000 current loop readings over a 4-20mA measurement range. The user can easily set up the logging rate and start time, and download the stored data by plugging the data logger into a PC’s USB port and running the purpose-designed software. The data can then be graphed, printed and exported to other applications. The data logger is supplied complete with a long-life lithium battery. Correct functioning of the unit is indicated by a flashing red and green LED. The data logger features a pair of screw terminals and is supplied complete with a set of measurement leads terminating in crocodile clips.



3.6V Battery

Lascar Data Logger Battery


Replacement 3.6V, 1200mAh lithium battery. Please Note: Continental U.S. shipping ONLY.


Replacement Cap

Lascar Data Logger Cap


Spare cap for EL-USB-4 Data Logger.


EasyLog Software

Configuration Software

FREE Configuration and download software for Lascar Data Loggers.

Lascar EasyLog Software


Number of Channels: One
Measurement Range: 4 to 20 mA
Shunt Resistance: 110 Ohm
Internal Resolution: 0.05 mA
Accuracy (overall error): ±1% ±1 count
Logging Rate: 1 sample every second
1 sample every 10 seconds
1 sample every minute
1 sample every 5 minutes
1 sample every 30 minutes
1 sample every hour
1 sample every 6 hours
1 sample every 12 hours
Memory Capacity: 32,000 samples
Operating Temperature Range: -35 to +80°C (-31 to +176°F)
Battery Life 1 year (Depending on ambient temperature, logging rate, and use of alarm LED)


EL-USB-4 Data Logger
Introducing the EL-USB-4

Learn about the EL-USB-4 Current Loop Data Logger.
EasyLog Software
EasyLog Setup

Learn how to set up Lascar Data Loggers with EasyLog Software.
EL-USB Assembly

View the animated gif showing typical EL-USB Data Logger assembly.