2.4 Insulation Resistance Measurement
2.4.3 Displaying 1-min. Values
(IR4057 Function)
The IR4057 provides functionality for automatically holding the
measured value obtained 1 minute after the start of
measurement (after pressing the MEASURE key). The
measured value that is held will be shown on the bottom of the
display. No value is shown if less than 1 minute has elapsed
since the start of measurement. Regardless of the selected
display mode, 1-min. values are always displayed in 1,000 count
display mode.
Use this function when measuring targets that include a
capacitance component.
8.
The final measured value will be displayed along with
, and discharge will start.
9.
When disappears, measurement is complete.
• During measuring, do not selector over to the other
function.
• The instrument will return to the locked state when
about 1 minute of no operation elapses during
measurement in the 500 V and 1,000 V ranges. To
continue measurement, push again to release
the lock.
This function is enabled only when the comparator is
set to "off."
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