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AVTMTTR310 Rev 8 May 2016
6
lead) must be connected to the protective ground (earth) terminal of the line
power source. The black or brown cord lead is the live (hot) lead.
To avoid electric shock hazard, operating personnel must not remove the
instrument from the case. Any repair or component replacement must be
performed by qualified service personnel.
The control circuits of the instrument are protected by two mains circuit fuses.
These fuses are replaceable by the operator. To avoid electric shock and fire
hazard, use only the fuse specified in Section 3, Specifications, that is identical in
respect to type, voltage rating and current rating. Refer to the Fuse Replacement
procedure in
the Service section.
WARNING
Before replacing the fuses, disconnect the power input plug from
the live power source.
Megger has made formal safety reviews of the initial design and any subsequent
changes. This procedure is followed for all new products and covers areas in
addition to those included in applicable standards. Regardless of these efforts, it
is not possible to eliminate all hazards from electrical test equipment. For this
reason, every effort has been made to point out in this instruction manual the
proper procedures and precautions to be followed by the user in operating this
equipment and to mark the equipment itself with precautionary warnings where
appropriate. It is not possible to foresee every hazard which may occur in the
various applications of this equipment. It is therefore essential that the user, in
addition to following the safety rules in this manual, also carefully consider all
safety aspects of the test before proceeding.
Safety is the responsibility of the user.
Follow your company’s safety procedures.
Misuse of this high-voltage equipment can be extremely dangerous.
The purpose of this equipment is limited to use as described in this manual.
Do not use the equipment or its accessories with any device other than
specifically described.
Never connect the test set to energized equipment.
Do not use the test set in an explosive atmosphere.
Corrective maintenance must only be performed by qualified personnel who
are familiar with the construction and operation of the test set and the
hazards involved.
Refer to IEEE 510 - 1983, IEEE Recommended Practices for Safety in High-
Voltage and High-Power Testing, for additional information.
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