A decrease in temperature of 10 degrees Celsius typically reduces the dark count rate by a factor of eight. For PMTs which are sensitive in the infrared range (Ag-O-Cs, InGaAs) cooling is absolutely required. - Avoid heating the detector by the voltage divider or by step motors, shutters,...
lowlimit: Specifies the low-temperature threshold in Celsius degrees. The value range varies by temperature sensor. To view the value range, enter a question mark (?) in the place of this argument. warninglimit: Specifies the high-temperature...