This Polytherm® 2.75" diameter hygrometer with plastic housing and a metal bezel around the dial offers a measuring scale from 20% to 100% relative humidity.
The normal humidity ranges, between 40% and 70%, are indicated on the scale.
Diameter 2.75", Depth 0.75"
Made in Germany
These thermometers can be used in any incubator.
Designed to be fitted into an incubator by drilling a circular hole in a suitable...
Replacement thermometer for the GQF box brooder - with mounting bracket & bolt