Functions Keys; 7−1 Comparator Function - KYORITSU KEW 3022 Instruction Manual

7．Functions keys
7-1 Comparator function
Set a reference resistance value at the insulation resistance range.
The measured value is compared to the pre-set reference value, and
the mark of
Settable reference value:
0.1/0.2/0.25/0.4/0.5/1/2/3/5/10/20/30/50/100/Any : Unit [MΩ]
The upper limit of
50/100/125Ｖ: 0.000 to 199.9: Unit [MΩ]
250/500/1000Ｖ: 0.000 to 999.9 : Unit [MΩ]
This function can be set at each range.
Setting procedure
(1) Set the Range selector switch to any desired insulation resistance
range with the
In this case, there is no need to press the Safety
range selector switch to 500V or 1000V range.
(2) Press the UP or DOWN
key
the
Select
pre-set value.
Select
pre-set value.
(3) The number displayed at the lower left on the LCD starts
flickering. Press the UP or DOWN
value, and press the
(4) The message
once the setting completes.
(5) Press the
Setting for Any
(1) The decimal point displayed at the lower left on the LCD starts
flickering when "Any" is selected. Press the UP or DOWN
select the desired decimal position, and then press the
(2) The four-digit start flickering from the left. Press the UP or DOWN
key
and set it to the desired value, and press the
e.g.: in case 0.5M
or is displayed on the LCD and buzzer
" "
Any varies depending on output voltage.
key
pressed down.
key
.
to sound the when the measured value exceeds the
to sound the when the measured value is under the
key
and the set value are displayed on the LCD
key to release this function.
Ω
is set.
Fig. 12. Change of sub-indication
― 16 ―
to select or
key
to select the reference
.
key
to set the
and then press
key
to
key
.
key
.