Hioki DT4254 - 3 Performing Measurements; Inspection before Use

37
3
Performing Measurements
3.1 Inspection Before Use
Before using the instrument the rst time, verify that it operates
normally to ensure that no damage occurred during storage or
shipping. If you nd any damage, contact your authorized Hioki
distributor or reseller.
Appearance check of the instrument and test leads
Check item Action
The instrument is neither
damaged nor cracked.
The internal circuits are not
exposed.
Visually check the instrument.
If it is damaged, there is a risk of electric
shock. Do not use the instrument but send
it for repair.
The terminals are not
contaminated with debris.
Remove contamination with a cotton
swab.
The coating of the test leads is
neither broken nor frayed, or
the white portion or metal part
within the lead is exposed.
If the test lead is damaged, there is a
risk of electric shock. Do not use the
instrument but send it for repair.
Check when turning on the power
(Set the rotary switch to any position other than OFF.)
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. The power may be
turned off when the backlight lights up or a
buzzer sounds.
3 Performing Measurements