Vaisala HMK15 Humidity Calibrator

Vaisala HMK15 Humidity Calibrator

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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

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