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279 FC
Users Manual
Multimeter Care
Clean the holster with a damp cloth and weak detergent. Do
not use a solvent or cleaners with abrasives.
Dirt or moisture in the terminals can cause incorrect
measurements.
To clean the terminals:
1.
Turn off the Multimeter and remove all test leads.
2.
Shake out dirt that can possibly be in the terminals.
3.
Soak a clean swab with weak detergent and water.
4.
Move the swab around in each terminal.
5.
Dry each terminal with canned air to push the water and
detergent out of the terminals.
Lens Care
When the IR Camera is not in use, close the lens cover.
W
To prevent damage to the infrared lens:
•
Carefully clean the infrared lens. The lens has a
delicate anti-reflective coating.
•
Do not clean too vigorously as this can damage
the anti-reflective coating.
34
Caution
For lens care you will need a cleansing liquid such as a
commercial lens cleaning liquid with alcohol, ethyl alcohol, or
isopropyl alcohol and a lint-free cloth or tissue. A pressurized
air can is used to remove loose particulates.
To clean the lens:
1.
Blow off particulates from the lens surface with
pressurized air can or dry nitrogen-ion gun if available.
2.
Soak the lint-free cloth in the alcohol liquid.
3.
Squeeze the cloth to remove excess liquid or dab on dry
cloth.
4.
Wipe the lens surface in one circular motion and discard
the cloth.
5.
Use a new cloth with liquid if you need to repeat the
procedure.
Parts and Accessories
Read this manual to make sure the Product is used correctly.
If the Multimeter does not turn on, check the battery. See
Battery Charge on page 8.
Replacement parts and accessories are shown in Table 6 and
Figure 13.
For more information about parts and accessories, see How
to Contact Fluke on page 2.
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