LogTag Recorders UTREL-16 Product User Manual page 29

Operating the Logger
3. The primary upper alarm is shown next, indicated by the alarm threshold marker
shown without any small alarm arrows.
In this example the temperature was above -70 °C for 1 day, 1 hour and 15 minutes. If
the duration is longer than 24 hours, the display will alternate between showing
days and hours.
4. The primary lower alarm is shown next, indicated by the alarm threshold marker
shown without any small alarm arrows.
In this example, the temperature was lower than the primary threshold of -80.0 °C
for 15 minutes.
5. The secondary lower alarm is shown next, indicated by the alarm threshold marker
shown without one small alarm arrow.
In this example, the temperature was not lower than the secondary threshold of -
85.0 °C.
6. The tertiary lower alarm is shown next, indicated by the alarm threshold marker
shown with two small alarm arrows.
In this example, the temperature was not lower than the tertiary threshold of -90.0
°C.
UTREL-16 User Guide 29