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ELECTRICAL HAZARD
These guidelines must be followed to ensure that the safety mechanisms in this
instrument will operate properly. This instrument must be plugged into a 115
VAC (± 10%) or 230 VAC (± 10%) 50/60 Hz only electric outlet as indicated
on the serial label. The power cord of the instrument is equipped with a
three-pronged grounding plug for your protection against electrical shock haz
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ards. It must be plugged directly into a properly grounded three-prong recepta
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cle. The receptacle must be installed in accordance with local codes and
ordinances or adapter plug. DO NOT use an extension cord Consult a qualified
electrician. Always inspect the power cord before use for any damage to the in
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sulation due to contact with hot surfaces, cuts or abrasions.
The instrument is equipped with operator accessible fuses. If a fuse blows, it
may be due to a power surge or failure of a component. Replace the fuse once.
If the fuse blows a second time, it is likely caused by failure of a component
part. If this occurs, contact a Hart Scientific Authorized Service Center. Always
replace the fuse with one of the same rating, voltage, and type. Never replace
the fuse with one of a higher current rating.
Always replace the power cord with an approved cord of the correct rating and
type. If you have questions, contact a Hart Scientific Authorized Service Center
(see Section 1.3).
High voltage is used in the operation of this equipment. Severe injury or death
may result if personnel fail to observe the safety precautions.
The block vent cover may be hot due to the fan blowing upward.
1.2.2
CAUTIONS
Always operate this instrument at room temperatures as specified in Section
3.2, Environmental Conditions. Allow sufficient air circulation by leaving at
least 6 inches (15 cm) of clearance around the instrument.
Overhead clearance is required. DO NOT place this instrument under a cabinet
or other structure.
DO NOT use fluids to clean out the well. Fluids could leak into and damage
the instrument.
Never introduce any foreign material into the probe hole of the insert. Fluids,
etc. can leak into the instrument causing damage.
DO NOT change the values of the calibration constants from the factory set
values. The correct setting of these parameters is important to the safety and
proper operation of the unit.
DO NOT slam the probe stems into the well. This type of action can cause a
shock to the sensor and affect the calibration.
DO use a ground fault interrupt device.
9009 Industrial Dual-Block Calibrator
User’s Guide
4
1.888.610.7664 sales@GlobalTestSupply.com
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