Hioki CM7290, Instruction Manual, Page: 37 / 80

33
3
Measurement and Output
3.1 Inspection Prior to Use
Inspect the unit and sensor for any damage it may have sustained during storage
or shipment and verify that it is operating properly before use. If you find any faults,
contact your authorized Hioki distributor or reseller.
Where to check Check item Solution
Cables Any cable's insulation
broken?
Do not use the cable. Have it
repaired.
Display unit Batteries Sufficient battery power
remaining?
• If the indicator shows , the
batteries have run low and you
should replace them as soon as
possible.
• If the batteries are low, the unit
may switch off when the backlight
turns on or when a beep tone
sounds.
Range Does the range correspond
to the current?
Check by switching the range with
the [RANGE] key.
Zero check With the AC mode selected,
does the display read 0 A or
close to 0 A?
If it does not, contact your
authorized Hioki distributor or
reseller.
With the DC mode selected,
does the display read 0 A or
close to 0 A?
Perform zero-adjustment with
the [0ADJ] key. Verify that the
displayed value is close to 0 A
while not measuring anything.
Display All LCD segments are
displayed?
Check that all of the LCD's
segments light up (p. 30).
If any does not, have the unit
repaired.
3 Measurement and Output
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2
1
Appx.
Ind.
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