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28 II Ex
Users Manual
Maintenance
XWWarning
To prevent electrical shock or personal
injury, have the Product repaired by ECOM
Instruments GmbH or an ECOM authorized
service center to keep Product certification.
General Maintenance
To clean the external surfaces of the Product, wipe the
case with a damp cloth and mild detergent. Do not use
abrasives or solvents.
Dirt or moisture in the terminals can cause incorrect
measurements and can falsely set off the Input Alert
feature. Clean the terminals as follows:
1.
Turn the Product off and remove all test leads.
2.
Shake out dirt that can be in the terminals.
3.
Soak a clean swab with mild detergent and water.
Move the swab around in each terminal. Dry each
terminal with canned air to push the water and
detergent out of the terminals.
38
It is recommended that the Product be calibrated by Fluke
in two-year intervals.
Fuse Test
As shown in Figure 10, with the Product in the
function, put a test lead into the
probe tip on the other end of the test lead against the
metal of the current input jack. If "LEAd" appears in the
display, the probe tip has been inserted too far into the
amps input jack. Lift the lead out a bit until the message
no longer shows in the display and OL or a resistance
measurement shows in the display. The resistance value
must be as shown in Figure 10. If the tests give
measurements other than those shown, have the Product
serviced.
XWWarning
To prevent electric shock or personal injury,
remove the test leads and all input signals
before you replace the batteries or fuses. To
prevent damage or injury, install ONLY
specified replacement fuses with the
amperage, voltage, and speed ratings shown
in Table 10.
N
jack and place the
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