RT Systems TM3 Installation And User Manual page 32

Note 1: Hysteresis represents the difference between the alarm activation set point (threshold) and the alarm cleared value. For example,
temperature sensor 1, non-critical alarm will be triggered at 26° C when the temperature increases, the alarm will be de-activated below
24° C due to the configured 1° C hysteresis. The following figure explains hysteresis further.
Alarm Triggered
Alarm de-activated
Select Save to store data on the unit after all fields have been configured. Select Cancel and follow the prompted instructions to revert
back to the previous settings. The data will not be stored in this case.
23°C 25°C
Temperature decrease
Temperature increase
31 31
26°C