Hioki CHT3548, User Manual, Page: 32 / 81

Hope Electronics Technology Manual
Edition
V1.0 32
Verifying measurement errors
If a measurement is not performed correctly, the measurement error is
displayed on the screen.
Out-of-range*
*1
Indicates that the measurement or display range has
been exceeded.
If oF is displayed, the comparator judgment is “Hi”
，
and if -oF is displayed, the comparator judgment is
“Lo”.
In the same manner, oF is displayed when the
temperature exceeds the measurement range during
temperature measurement.
Current fault or not measured yet
This screen is displayed in the following two cases.
If “--------” is displayed, comparator judgment is not
performed.
1. Measurement current fault*2
Current cannot be supplied to the DRIVE + or DRIVE -
terminals.
2. No measurement has been performed after
changing a measurement condition.
The protection function is working