Boveda Humidity Calibration Kit 75%

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Make sure your humidity sensors are on point!The One-Step Calibration Kit is a simple and sure-fire method to accurately calibrate any digital or analogue hygrometer or humidity se nsor.The One-Step Calibration Kit utilizes Boveda’s 75.5% relative humidity standard, which is widely used and accepted by chemists and lab professionals to determine the accuracy of any hygrometer (also known as the “salt test”).Simply place your hygrometer (or your humidity sensor probe) inside the bag, close the zipper, and wait 24 hours. A perfectly-calibrated hygrometer will read 75% Rh.If your hygrometer reads above or below 75%, adjust the calibration by the number of percentage points it is off from 75%.Boveda 75% calibration kits are accurate to within +/-0.5%, where the regular packs are +/-1.0%. Show more