Product details
The Caliber 4R Precision Hygrometer in green operates with an accuracy of +/-1% RH at 70% relative humidity. It provides precise moisture measurement in humidors and other environments. The hygrometer updates every 10 seconds and features a secure magnetic attachment. It can switch between Fahrenheit and Celsius and has a diameter of 5.5 cm at the front and 4.9 cm at the back. The Caliber 4R uses modern ZX circuit technology to reliably prevent incorrect readings. The hygrometer weighs only 60 grams.