Ducame HS-II Round Recalibrate-able Digital Thermo-Hygrometer / Hydrometer (Temperature & Humidity Measurement) 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.
Digital Thermo-Hygrometer / Hydrometer (Temperature & Humidity Measurement)
Measure Temperature and Humidity. Determine whether the environment is comfortable.