Hioki DT4282 - Page 40

34
Inspection Before Use
Check item Action
The battery voltage is sufcient.
When the
indicator appears in the
top right corner of the display, the battery
voltage is low. Replace the batteries as
soon as possible.
No indicators are missing. Display all indicators and ensure that no
indicators are missing. (p. 74) If any of the
indicators are missing, send the instrument
for repair.
Operation check
This section introduces some of the operation checks. Periodical
calibration is necessary in order to ensure that this instrument
operates according to its specications.
1
Check that the test leads are not broken.
Check method Action
Regarding the continuity check,
deliberately short circuit the test
leads and then check the display.
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
Red
Black
Normal:
The value stabilizes at around 0.1
Ω
to 0.2
Ω
.
Abnormal:
A numeric value other than the
above appears.
Corrective action:
The test leads may be broken.
Replace with those specied by our
company.
If the same phenomena persist
even after the test leads are
replaced, a malfunction may occur.
Halt inspection and then send the
instrument for repair.
HIOKI DT4281A981-08