One Step Calibration Kit

Humidipak Patented One-Step Hygrometer Calibration Kit is used to check the accuracy of your hygrometer.

The One-Step Calibration Kit produces an environment of 75% humidity. To calibrate, place your Hygrometer (sold separately) into the ziplock bag.

If adjustment is necessary, your HygroSet features an adjustment knob to zero in on the correct humidity reading.

$6.00
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