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General Tools CMM880 Digital Handheld Thermo-Hygrometer

Free shipping on orders over $29.99

$71.78

$ 32 .99 $32.99

In Stock

About this item

  • Measures and displays humidity and temperature; field calibratable humidity measurement
  • Large LCD; auto power off (can be disabled for calibration)
  • Minimum/Maximum memory, data hold and low battery indication
  • Fahrenheit/Celsius switch
  • Protective cap with pocket clip; CE approved


An easy to use hand held hygrometer with a microprocessor based design that displays both humidity and temperature. Features a large digital display, a Minimum/Maximum memory with a reset key, and a data hold function. Contains both an Auto power off and a low battery indication function for optimal battery life and use.


Lisa
Reviewed in the United States on June 23, 2019
it works fine but cheazy. totally not worth 70+ dollars. you can buy a same quality tool for far less.
DMR
Reviewed in the United States on March 19, 2018
A cheaper-feeling device than what I imagined. Its accuracy is questionable, and without paying extra for the calibration materials, I'll never know for sure. I have a less expensive hygrometer that I've "calibrated" with the table salt and water test. The cheaper model takes perhaps 15 minutes to adjust to the temperature and much longer (an hour?) to acclimate to the RH. The appeal of this upgrade was that it gives a supposedly accurate reading (plus or minus 3%) within a few seconds of turning it on. Unfortunately, the readings always conflict with the tool I've already calibrated; sometimes even the temperature -- an easier measurement than RH -- is off by two degrees. So, it appears this $80 tool out of the box is no better, or perhaps even worse, than others selling for half as much, and to improve on that, you'll have to pay much more to get a certified unit, or pay for the salt canisters and certify it yourself.
Diafer
Reviewed in the United States on May 20, 2017
Excelente
GARNDO
Reviewed in the United States on July 25, 2015
Delivered on time, and works well just like the last one I purchased. Which I thought I misplaced on a job site, and then found the day after this one arrived !!
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