Lascar Electronics EL-USB-1-PRO Temperature Data Logger, -40 to +125 °C, USB Interface, 32,510 Readings

With a measurement range of -40 to +125 °C and a typical accuracy of ±0.25 °C, the EL-USB-1-PRO captures temperature data with laboratory-grade precision. This standalone data logger stores up to 32,510 readings and connects directly to a PC via USB for fast data download and analysis.

Overview

The EL-USB-1-PRO is a compact, battery-powered temperature data logger designed for monitoring environments where precise temperature tracking is critical. It is ideal for cold chain logistics, HVAC validation, server room monitoring, and industrial process control. The device is IP67 rated when the protective cap is fitted, making it suitable for use in damp or dusty conditions.

What stands out

• Wide measurement range: -40 to +125 °C (-40 to +257 °F)
• High accuracy: ±0.25 °C typical
• Large memory: 32,510 temperature readings
• User-selectable logging rate from 10 seconds to 12 hours
• Programmable high/low alarm thresholds with LED indication
• Long battery life: up to 2 years (depending on logging rate and temperature)
• IP67 protection when cap is fitted

Technical details

• Resolution: 0.01 °C
• Interface: USB 2.0
• Power source: 1/2 AA 3.6V Lithium battery
• Start modes: immediate, delayed, or push-button
• LED indicators: red/green status and alarm LEDs
• Software compatibility: EasyLog EL-WIN-USB (Windows)
• Operating temperature range (device): -35 to +80 °C

Our verdict

The EL-USB-1-PRO is a robust and accurate temperature data logger that offers professional-grade performance in a compact, easy-to-use package. Its IP67 rating and long battery life make it a reliable choice for a wide range of monitoring applications.