PF9800 Series User's Manual
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4
2. Storage cautions
(1) The instrument shall be deposited in the condition with temperature between
0
℃
and 45
℃
, and relative humidity below 80% with no condensation. The
drying environment at 20
℃
is recommended.
(2) Please keep the product packaging materials including carton, cushion layer
and plastic bags to protect the instrument from temperature change, shock and
vibration during transportation.
(3) Please do not deposit the apparatus in the environment with dust, smoke or
chemical gas.
(4) Direct sunlight is forbidden.
3. Calibration cautions
(1) In order to ensure measurement accuracy, regular calibration is recommended.
(2) Calibration period depends on the practical use of the instrument.
Recommended calibration period is at least once a year.
(3) Please connect EVERFINE Test and Calibration center for more information
about calibration. The email is [email protected].
