Meter Maintenance; General Maintenance; Battery & Fuse Replacement - TACKLIFE DM01M Mode D'emploi

5. Meter maintenance

This section provides the basic information on maintenance, including the descriptions about
replacement of protective tubes and batteries. Do not attempt the meter maintenance unless you
are experienced in maintenance and have read the information on calibration, performance test
and maintenance. .

5.1 General maintenance

To avoid any electric shock or damage to the meter, do not attempt to clean the inside of the
meter. You must remove the line connecting a test lead to input signals, before opening the case or
battery cover.
• You must regularly use damp cloth and a small quantity of detergent to clean the meter's shell.
Don't attempt the use of any abradant or chemical solvent.
• The dirty or damp input socket may affect reading.
• Steps for cleaning input sockets:
1. Disenable the meter and pull all test leads out of the input socket.
2. Clean up all dirty substances on sockets.
3. Use a new cotton ball with a detergent or lubricant to clean each socket, because lubricant can
prevent the socket vulnerable to dampness from pollution.
5.2 Battery & fuse replacement
To avoid any electric shock or personal injury as a result of incorrect reading, replace batteries
once the symbol " " appear on the display unit.
Only the designated fuse (600mA/250V,10A/250V quick-acting fuse) can be used.
To avoid any electric shock or personal injury, don't attempt to open the battery cover to replace
batteries, unless you have already powered off the device and carried out an examination to ensure
that the test lead has been disconnected from the circuit to be measured.
• Batteries must be replaced by the following steps:
1. Cut off the power to the meter.
2. Pull all test leads out of the input socket.
3. Use a screw driver to unscrew the bolts that are used to fix battery cover.
4. Take off the battery cover.
5. Remove the old batteries or the damaged protective tubes.
6. Make replacements with new 4x 1.5 V AA batteries or new protective tubes.
7. Remount the battery cover and fix a bolt.
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