Hygro Set II Calibration Digital Hygrometer - Round

HygroSet® Adjustable Digital Hygrometer Never wonder if your digital hygrometer is accurate! The HygroSet® 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%. Adjust to the display to the correct humidity, press the set button, and your HygroSet® is calibrated and ready to go! Features: * Easy-set calibration Instructions. * Humidity accuracy +/- 2% from 20% to 90% * Temperature accuracy +/- 1 degree (displayed in Celsius or Fahrenheit) * 10 Second refresh rate * Button cell battery included