Multimeters
Maintenance
19
General Maintenance
Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or
solvents. Dirt or moisture in the terminals can affect readings.
To clean the terminals:
1. Turn the Product off and remove the test leads.
2. Shake out any dirt that may be in the terminals.
3. Soak a new swab with isopropyl alcohol and work around the inside of each input terminal.
4. Use a new swab to apply a light coat of fine machine oil to the inside of each terminal.
106 & 107
Users Manual
20
Test the Fuse
1. Turn the rotary switch to
(106 does not have the diode symbol).
2. Plug a test lead into the
terminal and touch the probe to the A terminal.
• A good A terminal fuse is indicated by a reading less than 0.1
Ω
.
• If the display reads , replace the fuse and test again.
• If the display shows any other value, have the Product serviced. See “Service and
Parts”.