11
Usage Notes
Before turning on the power
CAUTION
•
When operating the instrument using a UPS (uninterruptible power
supply) or DC-AC inverter, do not use any square-wave and pseudo sine-
wave UPS or DC-AC inverter. Doing so may damage the instrument.
•
Make sure that the power voltage connection is correct. Connection
errors could damage the internal circuit.
The instrument and measurement unit will not fail due to a momentary power
failure under 40 ms. If the power failure is longer than 40 ms, the power may be
shut off temporarily. Install the instrument in consideration of power conditions at
the installation location.
Magnet of the optional strap
DANGER
Those with medical electronics such as pacemakers should not use
the Z5004/Z5020 Magnetic Strap. Nor should such persons approach
the Z5004 or Z5020. It is extremely dangerous. The electronics may
not operate properly and the life of the operator may be put at great
risk.
WARNING
Swallowing magnets could be life-threatening. Keep any magnets
out of reach, especially of small children. If you accidentally swallow
magnets, immediately seek medical attention.
CAUTION
•
Do not use the Z5004 or Z5020 in locations where it may be exposed to
rainwater, dust, or condensation. In those conditions, the magnet may be
decomposed or deteriorated. The magnet adhesion may be diminished.
In such case, the instrument may not be hung in place and may fall.
• Do not bring the Z5004 or Z5020 near magnetic media such as floppy
disks, magnetic cards, pre-paid cards, or magnetized tickets. Doing so
may corrupt and may render them unusable. Furthermore, if the Z5004
or Z5020 is brought near precision electronic equipment such as PCs, TV
screens, or electronic wrist watches, they may fail.
•
Keep magnets away from any impact by a fall. The magnets may chip or
crack due to impact.
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