While in any of the Operating Modes above, unless Auto Power Off was disable, the
instrument will automatically turn off if no key is pressed for 20 minutes.
Trend Indicators
Trend indicators provide a visual representation of the measurement’s stability, and are
provided for the Read channel. An up arrow indicates that the current measurement is
trending upwards, while a down arrow indicates the measurement is trending downwards.
The trend indicators code looks for a greater than, plus or minus 0.1 degree change in 5
seconds. It will then light the up or down arrow based on which way the temperature is
moving. If the temperature change for the last 5 seconds is less than 0.1 degrees, the
indicators will go off. Neither arrow is visible when the measurement is stable. For best
accuracy, always allow the measurement to stabilize before evaluating or recording the
measured temperature.
Battery Indicator
Battery depletion or battery replacement will reset all measurement parameters to
their default values and deletes all existing statistics data. After battery replacement,
set measurement parameters as required.
The battery voltage indicator provides a visual representation of approximate remaining
battery life. It is located at the top-right of the
display.
The battery voltage indicator uses three bars
to represent remaining battery life. Figure 9
shows the approximate battery life for each
bar.
At zero (0) bars, the instrument will display
“Chang Bttry” for 30 seconds and then
initiate a shutdown sequence. To prevent
disruption of the measurement process and
statistics and data collection, the batteries
should be replaced before the battery voltage
indicator reaches zero (0) bars. See Section 2.5, Battery Installation and Replacement.
Probe Offset
The probe offset feature compensates for temperature probe errors, significantly improving
overall measurement uncertainty. Probe offset can be set for the Source Channel. Once set,
the probe offset is automatically applied to all subsequent measurements and statistics on
the offset channel.
Current statistics will be invalidated after changing settings such as probe offset. Press
(1.5s)
to delete existing statistics data and initiate a new statistics session.
BARS APPROX. BATTERY LIFE
3 100% - 50%
2 50% - 20%
1 20% - 5%
0 0% - Shutdown Initiated
Figure 9: Battery Voltage Indicator
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