Fresh Keeper IUT Ultra Low Temperature Data Logger

Fresh keeper IUT is a USB PDF single use dry ice temperature data logger,with large temperature display. It is the perfect solution for monitoring the temperature of dry ice delivery.    Online message


Fresh Keeper IUT dry ice temperature data logger is ideal temperature controller for ultra low shipments and requiring frequent temperature sampling intervals. This dry ice USB Sensor Temperature Data Logger is a versatile wide range Temperature Data Logger, featuring with high resolution temperature ranges of -80℃ to +70℃, for up to 35000 readings with real temperature value display.This Ultra Low Thermometer generates report automatically after it is connected with computer, no software required.


High accuracy and large capacity

Built-in high-precision NTC sensor, with a measuring accuracy of ±0.5°C and ±1℃. Up to 35,000 temperature points storage.

Dry ice grade temperature measurement

Measure temperature from ultra low -80℃ to 70 ℃, suitable for dry ice delivery and storage.

Intuitive LCD display

Real-time viewing of running status, Max./Min./Average Temperature,alarm status and remaining days.

Automatic PDF/CSV data report

Automatically generating encrypted PDF report or CSV report, no software required.

CE, RoHS, EN12830

Complies to EN12830-1999 for transport,storage,distribution of food.

Technical parameters

Model No.

Fresh Keeper IUT


Single use or multi-use


Internal NTC sensor


 35000 readings

Measurement range: 

-80 to 70℃


±0.5℃/0.9℉(-30℃~70℃/-22℉~158℉); ±1℃/1.8℉(-90℃~-30℃/ -130℉~-22℉)



Start Mode: 


Logging Interval: 

10 seconds - 2 hours

Alarm range:

High and low alarm


3.6V Lithium Battery

Run time: 

7,15,30,60 days for single use or multi-use

Shelf Life:

2 years


OK, Alarm

        Temperature Max, Min, Avg, Running status




USB2.0 Connector


Automatic PDF/CSV report

Compatible OS:

Win 7/8/10





Package material:


Protection Class:



Fresh Keeper IUT dry Ice Sensor Temperature USB Data Logger can be used for a wide range of  applications such as monitoring dry ice shipments, sea or air freight, distribution, storage and freezing, pharmaceuticals, frozen foods and shipping containers. This stand-alone USB Temperature Sensor does not require any additional probes.

Fresh Keeper IUT dry Ice USB Sensor Temperature Data Logger is suitable for in transit record of bio-pharmaceuticals, life sciences, biological samples, blood cold chain, diagnostic reagents, including biological reagents, molecular reagents, COVID-19 reagents and cell biology agents during low temperature environment. 

Products such as biologics and vaccines have a short shelf life, so the temperature change during transportation should be controlled in time. Our USB Temperature Sensor with real-time large temperature display are ideal for the pharmaceutical industry and biologics.

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Fresh Keeper IUT Ultra Low Temperature Data Logger