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Unremarkable, unobtrusive, incorruptible

Just as small as a matchbox, this data logger is a miniaturized response to many questions about humidity analysis. The Materialfox Mini offers offers an opportunity completely independently to log the data from up to three positions over a period of several months. The stored measured values can be, using a PC software, transmitted directly from the (client’s) site.


  • Resistance: 20 kOhm to 500 MOhm (10×log(R))
  • Direct material humidity measurement with a display resolution of 0.1%
  • Three measuring clamp pairs with a cable length of approx. 1.5 m, which are connected to 3 electrode pairs at different depths in the wall
  • Logger operation: automatic storage of data
  • Storage of 4,000 measurement values (optionally up to 16,000 ones)
  • Recording interval: from one second to 24 hours, software-adjustable
  • Switch output for alarming or controlling any other electronic devices
  • The measurement values remain memorized even without batteries
  • Integrated quartz clock and calendar
  • Dimensions: 35×55×15 mm (H×W×D)
  • Weight: approx. 30 g with a battery