Dual Channel Thermocouple USB Temperature Data Logger

Featuring an integrated on-screen graphing display, programmable alarms, and compatibility with K, J, and T-type thermocouples, this unit is a complete solution for demanding industrial, laboratory, and technical environments.

With the ability to store over 250,000 readings per channel, a 0.1°C internal resolution, and user-selectable logging rates from 2 seconds to 1 hour, the EL-GFX-DTC is ideal for both fast-changing processes and long-duration monitoring projects. It combines precision, flexibility, autonomy, and ease of use in one rugged portable logger.

Key benefits

• Dual channel temperature measurement for monitoring two points at the same time.
• On-screen graphing LCD for quick trend review without a PC connection.
• 252,928 reading memory capacity for long-term logging applications.
• K, J, and T thermocouple compatibility for versatile deployment.
• Programmable audible alarms with highly visible status/alarm LEDs.
• USB connectivity and free EasyLog software for setup, download, graphing, and export.
• Battery life up to 1 year, depending on logging configuration.

Commercial and technical description

This standalone temperature data logger measures and stores more than 250,000 temperature readings per channel using two K, J, or T-type thermocouple probes. The unit is supplied with two K-type thermocouples capable of measuring from 0 to 200°C, allowing immediate use straight out of the box.

Its high-contrast dot-matrix LCD and three-button navigation system give users access to real-time trend analysis, data summaries, and start, stop, or restart functions directly on the logger. This PC-independent operation is especially valuable in production areas, maintenance routines, thermal validation, and field applications.

Users can also reset minimum and maximum readings through the on-screen menu, creating an event marker inside the recorded data. This feature improves traceability and makes post-download analysis easier in graphing software, especially for process testing, thermal audits, and critical event monitoring.

The logger is built in a rugged enclosure and supplied complete with two lithium metal batteries, two K-type thermocouples, and a magnetic wall mount. Under typical operating conditions, battery life can reach up to 1 year, helping reduce maintenance frequency and improve operational efficiency.

Recommended applications

The EasyLog EL-GFX-DTC is well suited for industrial process monitoring, laboratories, quality control, technical maintenance, HVAC, research, thermal testing, specialist storage, and temperature verification in demanding environments. Its flexible probe compatibility allows users to select the most suitable thermocouple according to temperature range, sensor form, required accuracy, and budget.

EasyLog software

Lascar’s EasyLog software is available as a free download and enables users to configure the logger, download data, create graphs, annotate records, and export files in formats such as Excel, PDF, and JPEG. It is compatible with 32-bit and 64-bit versions of Windows 7, 8, and 10.

Configurable software parameters include:

• Logger name
• Measurement units in °C or °F
• Adjustable logging interval
• High and low alarm thresholds
• Immediate or delayed logging start

Technical specifications