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To avoid damage to the Instrument, take into account direct
sunlight, radiators and other heat sources when assessing the
ambient temperature.
Fuse Requirements
The Instruments require a special fuse with rated current of 15 A and rated breaking
capacity of 750 A. The fuse must be rated for a voltage of 250 V ac.
To access the fuse and ensure the line power is disconnected, follow the procedure
described in the Users Manual. The approved fuse is shown below.
Fluke part number and description:
Fuse manufacturer and part number:
Measurement Category I
Measurement terminals are designed for connection at Measurement (Overvoltage)
Category I.
To avoid electrical shock, personal injury, or fire hazard, do not
connect the Instrument's terminals directly to the ac line power
supply or any other source of voltage or current that might
temporarily exceed the peak ratings of the Instrument.
Maintenance and Repair
Always observe local or national safety regulations and rules for the prevention of
accidents and hazard while performing any work. Always disconnect the Instrument from
all signal sources and then the ac line power supply before removing any covers. Any
adjustment, parts replacement, maintenance or repair should be carried out only by Fluke
authorized technical personnel.
To avoid electrical shock, personal injury, or fire hazard, it is
essential that only manufacturer supplied parts be used to
replace parts relevant to safety. Safety tests must be performed
after the replacement of parts relevant to safety.
Cleaning
Ensure the Instrument signal and then power leads are disconnected prior to cleaning.
Use only a damp, lint-free cloth to clean fascia and case parts. See the Users Manual for
details of air filter cleaning.
Ventilation and Dust
The Instrument relies on forced-air cooling via ventilation slots in the sides of the
Instrument. Adequate ventilation can usually be achieved by positioning the Instrument
on a level surface and by leaving a 100 mm (4 in gap) around the Instrument. Care should
be taken to avoid restricting the airflow at the sides of the Instrument, as damage may
result from overheating. The Instrument is designed to IP4X and is specified for use in a
Pollution Category 2 environment, which is normally non–conductive with temporary
light condensation.
To avoid damage to the Instrument, do not use in dusty, damp,
or wet conditions.
WCaution
1998159
Bussmann
XWWarning
XWWarning
WCaution
Electrical Power Standards
General Safety Summary
T15AH 250 V 32 mm
MDA-15
5
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