Hioki CHT3548, User Manual, Page: 27 / 81

Hope Electronics Technology Manual
Edition
V1.0 27
2.5 Pre-measurement Inspection
Before using the instrument, inspect it to verify that no damage has
occurred during storage or transportation and it operates normally. If you find
any damage, contact your authorized Hopetech’s distributor or reseller.
Instrument and peripheral checking
Inspection item Action
Is there any damage or a
crack in the instrument? Are the
internal circuits exposed?
If any damage is found, do not use it. Return it for
repair.
Is there any dust or
contamination, such as pieces of
metal, on any terminals?
If dust or contamination is adhered to a terminal,
clean the terminal with a swab or the like.
Is the test lead coating
broken or is the metal exposed ?
If the coating of a test lead is broken, the measured
value may become unstable or have an error.
Replace the damaged test lead.
Power-on checking
Inspection item Action
Is the remaining battery
power sufficient?
The indicator at the upper right of the
display indicates the current status. If the indicator
changes to , the remaining battery level is low.
Replace the batteries as early as possible. If the
battery level becomes too low to continue with
measurement, the starts blinking. Replace the
batteries.
Is anything missing from
the screen?
Turn the power on to make sure that the entire
display turns on.
If there is anything missing, return the instrument
for repair.
When you turn the power
on, does the entire display turn
on and then the model name
and a measurement screen
appear on the screen?
If the screen does not behave like this, the
instrument may be damaged internally. Return it for
repair.