Greisinger humiditytemperature module ebht 1x series greisinger ebht 1r the greisinger ebht 1r is a humidity temperature module used for monitoring indoor climate and storage rooms the module has a robust industrial housing the module ebht 1r measures the temperature and relative humidity in air or non corrosive non ionizing gases humidity and temperature are measured by a capacitive polymer humidity sensor the measuring values and min max values can be stored greisinger ebht 1r h