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Dual sensor, cryogenic data logger with LCD display. Cryogenic Monitoring for Pharmaceutical and Biotechnology industries.

Memory: 64k
Temperature Range:

CALL 800-858-6872


Download Product Brief:
View Liquid Nitrogen Video



With one sensor for ambient range temperatures inside the case, and one external probe that monitors cryogenic temperatures from -200°C (-328°F) to +72°C (+162°F) this data logger is perfect for applications such as cryo-storage, freezers, refrigerators and incubators.

These high-precision laboratory-grade products will operate up to 1 year without a battery change. The LCD lets you view minimum and maximum recorded temperatures, prior to downloading to a computer. In conjunction with our MaxiThermal2 or 21CFR  software, you can document your liquid nitrogen stored products for your GxP and FDA regulated environment.

EDL-LN2 – SKU #7011 & #7034
Memory EEPROM, Storage 64k memory (approximately 64,000 measurements)
Internal Temperature Sensor Wired chip in glass thermistor
        Operating Range -29°C to +72°C / -20°F to +162°F
        Accuracy (NIST traceable) ±0.2°C at 2° to 10°C / ±2.0°C at extremes / 0.36°F at 32° to 50°F / 3.6°F at extremes
External Probe RTD Sensor in Stainless Steel Tip =12 cm / 4.72 in.; Flexible Teflon-coated Cable = 51 cm / 20 in.
        Operating Range -200°C to +72°C / -328°F to +162°F
        Accuracy (NIST traceable) ±0.2°C at 0° to 30°C / ±2.0°C at extremes / 0.36°F at 32° to 86°F / 3.6°F at extremes
Measurement Intervals Programmable from 2 seconds per reading. See Duration Chart for examples.
Computer Interface USB Mini B port.
Power Source One 3.0 Volt Lithium coin cell battery with 1 year operating life, 3 years shelf life.
Size 9.0 cm(l) x 5.0 cm(w) x 2.8 cm (h) / 3.5 in.(l) x 1.96 in (w) x .1.1 in.(h)
Weight 95 grams / 3.3 oz.
CE Certified Yes
Water-resistant The product package is hermetically sealed to an IP66 rating.
MaxiThermal2 or 21CFR Software
(Not 21CFR Part 11 compliant. Click here for 21CFR Part 11 Compliant Software)
Software Highlights: Report Summary & Statistics •File Manager •Note Attachment •Zoom •Elapsed Time view or Date/Time Recorded view
•Celsius, Fahrenheit or Kelvin display •3D view option
Required Accessories: MaxiThermal2  or 21CFR software
USB Standard A to Mini B Cable
NIST Certificate = no charge
Optional Accessories: Mounting bracket
Optional Calibration: 1, 2, 3+ Point Calibration available with NIST Traceable Certificate and data
Warranty 3 months

Specifications subject to change without prior notice.

MaxiThermal Software

Marathon’s MaxiThermal2 Software for USB Data Loggers

MaxiThermal2 Software allows you to view up to 8 multiple traces at one time, enables you to transfer the recorded information in your loggers to your computer, and to view, print and generate a report of the measurement data. The graphic representations are a simple X – Y plot of time versus temperature with unlimited zoom. The graph and all data points (date, time and temperature) can be printed, as well as the ability to add a user note to the file for including information pertinent to that particular plot.
Users have the ability to view numeric data in a screen window and Data can be Exported as a CSV file for use in other software. A Summary Information report showing the specific logger information, the Start and Stop Time, Duration of Recording, Measurement Interval, Highest, Lowest, Median and Average Temperatures as well as the High and Low Alarm information.

The data from the logger is easily downloaded to your PC via a standard USB 1.1 interface. MaxiThermal2 software is compatible with Windows XP, Vista, 7, 8 and 10.


MaxiThermal2 Software is not 21CFR Part 11 compliant. Click here for 21CFR Part 11 Compliant Software.

Detachable Probe

SKU #7034

Fixed Probe

SKU #7011

External Probe

12cm / 4.72in. Stainless Steel Tip.
51cm / 20in. Flexible Teflon-coated Cable.
12cm / 4.72in. Stainless Steel Tip. 51cm / 20in. Flexible Teflon-coated Cable.

Mounting Bracket

Mounting Bracket
Mounting Bracket
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