The Cigar Oasis (Western Digital) “Caliber 4R” is an internal OR external mount, round digital hygrometer and thermometer. It’s one of the most popular hygrometers – a tried-and-true necessity that has proven itself reliable for many years.
With the Caliber 4R, digital meets analog. It’s an accurate digital hygrometer but with the unique styling of an analog device. It includes all of the features of the Caliber line of hygrometers including user calibration in a sleek, round design.
We recommend using the Boveda Hygrometer Calibration Kit to properly calibrate your digital hygrometer before use.
The Caliber 4R Features:
- • Accurately measures humidity and temperate in Fahrenheit and Celsius.
- • Classic round design in Silver or Gold color.
- • Accurate to ± 1% RH.
- • Slow response readings.
- • Updates every 10 seconds.
- • Secure magnetic mount.
- • Maximum and minimum readings.
- • Standard CR 2032 type battery (included).
- • 2.25″ diameter with a depth of .7″.