Elcometer 224 Operating Instructions Manual page 16

Analogue Bar Graph (BT)
By selecting Display/Readings & Bar Graph
the user can view an analogue representation
of the current reading together with the
highest (Hi), lowest (Lo) and average (x)
reading. The graph is updated automatically
when each reading is taken.
The values on the top left and right of the
bar signify the measurement range from
zero to the thick calibration foil value plus
10%. If calibrated using the factory
calibration, the probe scale range plus 10%
is used. If limits are set, the limit values
±10% are used and the relevant limit icon is
displayed above the bar in the appropriate
position.
With Limits: The current measurement is
displayed as a white or red bar; white if
within set limits, and red if outside set limits.
If below the lower limit, the left arrow head
is also filled red and if above the upper limit,
the right arrow head is filled red.
If the next measurement taken is within set limits, the left or right arrow
outline will remain red to signify that the previous reading was outside
set limits.
Without Limits: The current measurement is displayed as a white bar.
If outside the measurement range, the left or right arrow head is also
filled white.
Users can choose to show Readings & Selected Stats (BT) - see On Screen
Statistics on page 14, Readings & Run Chart (T) - see Run Chart on page 15-16,
Readings & Bar Graph (BT) or Readings Only (BT). Readings & Run Chart is only
available when in Batching.
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