DetailsComplete with brass surround and glass lens, this hygrometer is a perfect replacement and ideal for bored holes in any humidor. Humidity is read from the rear on this model. It reads relative humidity (RH) . Technical adjustments can be made at the rear of the hygrometer for easy calibrating by removing the cover.Measurements
- Front Diameter- 1-7/16"
- Back Diameter- 1-3/8"