Lascar EL-GFX-DTC Dual Channel Thermocouple Data Logger with Graphic Screen


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Lascar EL-GFX-DTC Dual Channel Thermocouple Data Logger with Graphic Screen
  • Dual channel, compatible with K, J and T type Thermocouples
  • Logging rates between 2 seconds and 1 hour
  • Immediate, delayed, push-button or temperature triggered start mode
  • Graphic LCD shows real-time readings, graph and current status
  • Stores over 250,000 readings
  • Calibration certificate available

The EL-GFX-DTC standalone USB data logger measures and stores over 250,000 temperature readings from two J, K, or T-type thermocouple inputs at a resolution of 0.1ºC. Using the Windows control software (available as a free-download from, users can quickly set up the data logger and view downloaded data by connecting the device to the PC’s USB port using the supplied cable.

The data logger features a high-contrast graphic LCD and three-input buttons which allows users to start, stop and restart the data logger using on-screen menus. This menu also provides real-time analysis of data either as a data summary (showing highest & lowest readings and alarm conditions) or as a graph that updates as new data is added. Multiple data logging sessions can be stored on the device ready for upload to a PC at a later date.

The two replaceable ½AA batteries typically allow logging for up to four months.

As a recently introduced product, stock of this product may be limited. If your requirement is urgent please contact Lascar directly for up to date lead-time information before ordering online.

Specification Min. Typ. Max. Unit
Probe measurement range K-type -200 (-328)   +1350 (+2462) °C (°F)
J-type -200 (-328)   +1190 (+2174) °C (°F)
T-type -200 (-328)   +390 (734) °C (°F)
Internal resolution   0.1 (0.1)*   °C (°F)
Accuracy (overall error)   ±0.5 (±0.9)**   °C (°F)
Logging rate Every 1 second   Every 1 hour Time
Operating temperature range* -10 (-14)   +40 (+104) °C (°F)
2 x ½AA 3.6V Lithium Battery Life   4†   Months

* Above 999.9°C/F display becomes 1°C. Internal resolution remains at 0.1°C/F.
** Quoted accuracy is for the data logger only when measuring within the specified operating temperature. Thermocouple error is not included and should also be taken into consideration.
*** Operating temperature applies to the data logger module only. Please consult the probe manufacturer for operating temperature of thermocouple.
† At 25°C and 10 minute logging rate with no alarm LEDs or sounder and minimal LCD use.

Application Information

The EL-GFX-DTC is suitable for a wide variety of applications, these include:

- Pharmaceutical fridge monitoring
- Transportation
- Food & drink
- Building & site monitoring
Calibration Certificates

Lascar’s calibration certificates are traceable to UKAS or NIST standards depending on your location. Customers in the Americas, or customers ordering through our US sales office will receive NIST traceable certificates generated in our ISO 17025 facility, whilst customers in the UK, EU, Rest-of-world or customers ordering through our UK headquarters will receive UKAS traceable certificates.

A calibration certificate is not supplied as standard with a data logger.

Please note that a calibration certificate can only be provided with a data logger at the time of original purchase.


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  • Lascar EL-GFX-DTC Dual Channel Thermocouple Data Logger with Graphic Screen