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  • Measurement range of -200 to 850˚C (-328 to 1562˚F)
  • ±0.05°C (±0.09°F) accuracy
  • M12 Probe Connector (probe sold separately)
  • User replaceable battery
  • Trigger settings
  • Programmable start and stop time
  • Battery life indicator
  • Interchangeable probe connector for multipurpose use
  • Simple setup and installation
  • Minimal long-term maintenance

What's in the Box

  • NIST traceable calibration certificate

The MadgeTech HiTemp140-M12 is a rugged and versatile high temperature data logger featuring an M12 probe connector. Compatible with a wide variety of M12 RTD probe styles, the HiTemp140-M12 data logger is capable of measuring up to 850°C (1562°F) depending upon the probe used.

The MadgeTech HiTemp140-M12 has a water tight body enclosure made of food grade stainless steel and can be placed in environments with temperatures as high as 140°C (284°F). The operating range of the data logger body can be extended to higher temperatures when used with MadgeTech's thermal barrier options and suitable probe.

The HiTemp140-M12 records and stores up to 43,690 time stamped readings and is equipped with non-volatile solid state memory which retains data even if the battery becomes discharged.

A wide selection of compatible M12 probes are available on the market to choose from, making the HiTemp140-M12 the most dynamic data logger of its kind. With the ability to change probes as needed, this device satisfies a multitude of application needs with one powerful data logger versus the need for multiple loggers.

Applications for the MadgeTech HiTemp140-M12 High Temperature Data Logger:

  • Depyrogenation
  • Autoclave Verification
  • Food Preparation & Processing
  • Environmental Studies
  • Well Monitoring
  • Washer Disinfectors
  • Pasteurization

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

MadgeTech IFC400 Data Logger Interface
PC Interface cable package for Madgtech temperature data loggers
In Stock


MadgeTech RTD-6-1/8-M12 Probe
100Ω platinum RTD probe with M12 connector
MadgeTech M12 Depryogenation Probe
36 inch high temperature, 842°F, dry heat, flexible RTD probe with flat tip and M12 connector


MadgeTech ER1425S-HT Replacement Battery
Replacement battery for the HiTemp140, HiTemp140-PT, HiTemp140-TSK & HiTemp140-PT-TSK.


Carrying cases, spare cases

MadgeTech MT-AluCase Briefcase
Aluminum data logger briefcase, lightweight, durable, 14 or 18 inch wide


Please consider these optional accessories.

MadgeTech MagMount-1 Magnetic Holder
Magnetic holder for use with the MadgeTech PR140, HiTemp140 Series and 1000 Series data loggers
Call for pricing
MadgeTech IFC406 Multiplexer Docking Station
6 Port, Multiplexer docking station with USB cable, software and manual
MadgeTech MultiMount-Z Data Logger Stand
Versatile mount for use with MadgeTech HiTemp140 series data loggers
Call for pricing