VAISALA HMK15 Humidity Calibrator


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VAISALA HMK15 Humidity Calibrator


Vaisala Humidity Calibrator HMK15 makes calibration and spot checking of humidity probes and transmitters easy and reliable, although for critical applications we recommend a Vaisala Service Center calibration for best possible results.

Scroll down to watch a video on the exact process on how to calibrate the Vaisala HUMICAP Humidity and Temperature HMT330 Transmitter Series probes with the HMK15 kit.


  • Based on saturated salt solutions
  • Fast temperature equilibration
  • Chambers and transit covers make HMK15 easy to transport.
  • Pre-measured certified salts available


Key Benefits

  • Easy and reliable calibration of humidity probes and transmitters
  • Suitable for laboratory use and on-site checks
  • No external power required

Click to view the datasheet

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  • VAISALA HMK15 Humidity Calibrator