Temperature and Humidity Recorders and Meters

KFG-2121 Temperature and Humidity Recorder


Records temperature and humidity on a 7-day rotation chart. Uses a bi-metallic strip for temperature and one human hair bundle for humidity. Humidity sensor features +/- 2 degrees accuracy.

Protective acrylic cover removes easily, yet latches securely in place. Includes one red and blue felt –tipped pen, one 7-day rotation chart paper and one AA battery.

Additional charts and pens should be ordered separately.

  • Quartz-controlled drive for accuracy
  • Runs for 6 months on single AA battery
  • Dimensions 6” W x 3.9” D x 7.4” H


Additional Accessories:

KFG-2122 – Pack of 100 charts, 7 days, -6 to 40 degrees Celsius

KFG-2123 – Pack of 5 red pens

KFG-2124 – Pack of 5 blue pens

Digital Temperature and Humidity Meter


  • KFG-2125 Digital Temperature and Humidity MeterRelative humidity range 10.0 to 95%
  • Resolution is 0.1% RH
  • Accuracy is +/- 2% mid-range and +/- 4% elsewhere
  • Temperature range 0 to 199.9ºF and – 18 to 93ºC
  • Resolution 0.1 degree
  • Accuracy is +/- 1ºC between 0 to 40ºC, otherwise +/– 2ºC

Device offers minimum/maximum memory and hold features. Unit measures 7 1/8 x 2 ¾ x 1 ¼”. Probe is 8 ½ long with 2/3” diameter with a 3 foot cable. Weight is 10 ¾ ounces. With accuracy of +/- 2% RH. Dew point display (range 0 to 50ºC with a resolution of 0.1 and an accuracy of +/- 2ºC) and with a programmable alarm element.

To assure accuracy, an individual serial numbered Traceable Certificate from an ISO 17025 calibration laboratory is provided. Certificate indicates traceable to standards provided by NIST.

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