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13.
Cautions in use
This instrument is designed rigid enough to endure measurement work on site, however, if you handle the
unit under any of the following conditions, it may malfunction or need to be repaired. This unit is not
explosion-proof. Do not use it in such an area.
(1)
The unit has a not-sophisticated drip-proof construction (IP54), however, care must be taken not to
have it drip wet.
(2)
The unit is not waterproof. If dipped in water, the inside electronic parts will be damaged.
(3)
The liquid contact parts are made of borosilicated glass, tetra ethylene fluoride and polypropylene.
Do not use such sample liquid or solvent as may corrode the measuring cell (made of borosilicated
glass). For example; Hydrogen fluoride acid
(4)
Avoid a place for storage under any of the following atmosphere:
•
Corrosive gas
•
Direct sunlight
•
Dusty or humid room
•
Too hot or too cold atmosphere
(5)
Never drop or give force to the unit since it is a precision meter with glass-made measuring cell. Also
avoid using corrosive liquid as warned above.
(6)
Always well clean the measuring cell after a series of measurement for the day, and store the unit in
dry atmosphere.
(7)
Keep the power turned off after use.
(8)
Never overhaul the unit since it is close molded structure.
If it should be disassembled, the unit will not be covered by warranty.
If any serious troubles, such as toxic smelling, smokes or water permeating into the unit, should
occur,
immediately turn off the power and contact your local dealer
.
