Rel Function (Model 6524) - AEMC Megohmmeters 6522 User Manual

2.1.3 ∆REL Function (Model 6524)

REL
If the measured value is less than the stored value, the display becomes
negative.
You can display the difference as a percentage of the reference (
by pressing the  button until the % sign appears:
For insulation measurements, only the digital display is modified by ∆
bar graph continues to display the true measured value.
To deactivate the ∆REL function, press the ∆REL button or turn the rotary switch
to another setting.
Megohmmeter Model 6522/6524
For an insulation, resistance, or capacitance measurement,
you can configure the instrument to subtract a reference value
from the measured value and display the difference.
To activate this function, take a measurement, and then press
the ∆REL button. This measurement becomes the reference
(R ) and will be stored and subtracted from subsequent
ref
measurement values (R
the LCD while this function is activated.
). The ∆REL symbol appears on
meas
V
M
REL
%
M
REL
G
G
REL
)
. The
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