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Manufacturer and global supplier
of temperature data-collecting
devices used for documenting
products throughout the cold
chain. ISO 9001:2008 certified.


Cold Chain Solutions

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•Cryogenic Vapor Shipping


microDL-200°C Cryogenic Temperature Data Logger

21CFR compliant software available with full database capabilities.

MONITOR and validate your critical stem cells and biologics during transportation and storage with our micro display loggers. In conjunction with our 21CFR software, the micro dl -200°C will document your liquid nitrogen stored products for your GxP and FDA regulated environment.

THESE high-precision, laboratory-grade, quarter-size data loggers will operate up to 3 years without a battery change. View current and stored data, prior to downloading to a computer, by scrolling through the screen displays, including high, low, elapsed time, alarm excursions and Mean Kinetic Temperature.

FIND out and document what you’ve been missing!

microDL-200C with Flexprobe


Product Description
microDL -200°C
32K and 31,855 samples
Temperature Range
72C / 162F / 345.2K
-200C / -328F / 73.5K
Temperature Accuracy
At zero
+ - 0.5°C at 20°C
+ - 1.0°C at -200°C
Measurement Intervals
User programmable from 2 seconds to 2 hours
2 seconds =
9 hours, 0 minutes
6 seconds =
1 day, 9 hours, 1 minute
10 seconds =
1 day, 21 hours, 1 minute
20 seconds =
3 days, 18 hours, 3 minutes
30 seconds =
5 days, 15 hours, 5 minutes
40 seconds =
7 days, 12 hours, 7 minutes
50 seconds =
9 days, 9 hours, 9 minutes
1 minute =
11 days, 6 hours, 11 minutes
2 minutes =
22 days, 12 hours, 22 minutes
3 minutes =
33 days, 18 hours, 33 minutes
Power Source
(2) 3 volt lithium coin cells. 10 year shelf life with apporx. 3 year continuous operating mode.
High and Low Alarm Limits
Alarms (ALR) set by temperature and time
Water Resistant - Splash Proof
Computer Interface
USB cable with IR infrared detectors
1 oz/ 30g.
Height 1.25 CM / 0.75 IN, Diameter 25.20 CM / 1.25 IN.
60 days
Standard probe
Stainless steel, 24 inches. O.D. =.125 inches, , I.D. = .099 inches
Flexible Probe
Teflon, 6 inches O.D. =.125 inches, , I.D. = .099 inches
Reader station
USB connector
Software 21CFR compliant software available with full database capability

microDL Reader StationmicroDL Reader Station

For use with the microDL Red and microDL Silver series loggers.

  • Interface: USB, Version 1.1 Compliant
  • Height: 24mm (0.96")
  • Diameter: 44.84mm (1.76")
  • Weight: 16g (0.5 oz)
  • Cable length:

Display Examples

Press the Start button to see the following information display with each press of the start button:
microDL setting 1 microDL setting 2 microDL setting 3 microDL setting 4
1. REC -198.5°C
shows RECording and current temperature


2. RUN 176 D
shows elapsed time in days
3. MKT -198.1°C
shows mean kinetic temperature (available on silver model only)
4. HI 23.1°C
shows alarm has occurred and high temperature
microDL setting 5 microDL setting 6 microDL setting 7 microDL setting 1
5. LOW -199.9°C
shows alarm has occurred and low temperature
6. HI HR 0.5
shows alarm time hours over high threshold
7. LOW HR 0.0
shows alarm time hours over low threshold
8. REC -198.5°C
Push to return to current temperature

For more information:

Download a PDF of the microDL-200 Product Brief.
Download a PDF of the microDL Quick Start Guide.

Get Adobe ReaderTo open the PDF files above, you will need Acrobat Reader 9.0 or higher.
Click the icon to download the latest reader software.

   rev. Nov-12-2014