The AcuRite 00613 Indoor Humidity Monitor provides all the home comfort information you need, at a glance. Featuring a precision indoor thermometer and hygrometer, and an easy-to-read LCD display, it shows current indoor humidity and temperature, plus daily high and low records. A handy home comfort...

Round Digital Hygrometer with Adjustment Feature - Never wonder if your digital hygrometer is accurate. The HygroSet II is the first digital hygrometer of its kind capable of being adjusted after calibration. Each click of the adjustment knob changes the humidity display (+ / -) by 1-percent.Button...

The Boveda One-Step Calibration Kit is a simple and surefire method to accurately calibrate any digital or analog hygrometer or humidity sensor. 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 de...