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Temperature and humidity data logger from -40°C to 125°C with USB interface

RHTemp125 L is a temperature and humidity data logger from -40°C to 125°C (calibration from 25°C to 125°C), managed with Windows software and USB interface (DiskInterface HS, Multibay). Battery is user replaceable and the data logger is provided with an Accredia (NIST equivalent) traceable cetificate on different points.

It is available the XL model too which has same diameter but is higher because it hosts a smaller battery for a reduced size, along with the model for up to 80°C.

Among the possible applications there are the drying processes monitoring, especially of pasta, of powders and grains storehouses, of extreme environments.

There are also other models of high temperature data loggers, for pressure and temperature only too.


HumiPressureDisk - Complete software (USB drivers included)
TS Manager - Complete software (USB drivers included)
DiskInterface HS, DiskInterface HS Mini - USB drivers Windows XP / Vista / 7
DiskInterface HS, DiskInterface HS Mini - USB drivers Windows 8 / 10
Multibay - USB drivers Windows Xp / Vista / 7
Multibay - USB drivers Windows 8 / 10
DiskInterface (old model) - USB driver Windows XP / Vista / 7 / 8 / 10



Main features

  • Small size
  • Completely food grade
  • User replaceable battery (software shows battery status)
  • Accredia (NIST equivalent) traceable calibration certificate included
  • Available extended calibration from - 40°C (order extra calibration points)


  • High accuracy and precision
  • Printed reports compliant with health regulations and ISO (data are not editable in the software)

The system

The system is made up by:

  • RHTemp temperature data logger
  • DiskInterface HS or Universal Multibay
  • HumiPressureDisk software or TS Manager software (compatible with the FDA 21 CFR Part 11 regulation)
Dimensions 46 h X 17 Ø mm - 18 Ø (mm) peek ring
Weight 36 g
Materials Stainless steel AISI316L, PEEK
Temperature range -40 °C ÷ +125 °C
Standard calibration points (temperature) 23/50°C
Extra calibration points (temperature) Within the range -40 °C ÷ +125 °C
Temperature resolution 0,015 °C
Temperature accuracy ± 0,2 °C (0 °C ÷ +60 °C) / ± 1,3 °C (-20 °C ÷ +80 °C) / ± 2,3 °C (-20 °C ÷ +125 °C) derates linearly
Humidity range 0% ÷ 90% RH (non condensing)
Standard calibration points (humidity) 30/50/70% @ 23°C
Extra calibration points (humidity) Within the range 10% ÷ 90% RH
Humidity reslution 0,02%
Humidity accuracy ± 1,8% RH (10% ÷ 80%) / ± 4% RH (80% ÷ 90%) @ 23°C ± 10°C
Memory (n. of acquisitions) 10.112
Battery life +8.000.000 acquisitions at 1 second step continuously (calculated time @25°C. Battery life may be shorter if used in low temperatures)
Acquisition step From 1 every second up, with 1 second steps
Protection degree IP50
Software&Mobile App HumiPressureDisk, TS Manager
Accessories DiskInterface HS, Multibay universale



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