Maintenance Instructions; Cleaning; Calibration; Fuse Replacement - RIDGID micro DM-100 Manual De Instrucciones

Maintenance Instructions

To reduce risk of electric shock, disconnect the test leads from any source of volt-
age before performing any maintenance activity.

Cleaning

• Do not immerse the multimeter in water. Wipe off dirt with a damp soft cloth. Do not use
aggressive cleaning agents or solutions. Gently clean the display screen with a clean dry
cloth. Avoid rubbing too hard.
• Use only alcohol swabs to clean the test lead connections.

Calibration

The calibration of the meter should be checked once a year to ensure that it performs ac-
cording to the specifications.

Fuse Replacement

If when measuring current the display shows zero, the fuse(s) may need to be changed.
1. Switch off the multimeter.
2. Remove the battery (see "Changing/Install-
ing Battery").
3. Loosen the 6 screws that hold the case to-
gether (see Figure 9) and remove back of
multimeter case.
4. Inspect fuses. If needed, remove fuse by gen-
tly pulling it out.
5. Install the new fuse into the holder. Always
use a fuse of the proper size and value.
(F500mA/1000V fast blow for the 400mA
range, F10A/1000V fast blow for the 10A
range – see Accessory section for catalog
numbers).
6. Carefully reassemble the multimeter ensuring seals are properly in place and are not
damaged. Do not operate without the case or battery cover secured.

Accessories

To reduce the risk of serious injury, only use accessories specifically designed and
recommended for use with the RIDGID DM-100 Digital Multimeter such as those
listed below. Other Accessories suitable for use with other tools may be hazardous
when used with this meter.
Catalog Number Description
44753
45023
44758
18
micro DM-100 Digital Multimeter
Test Leads with Covers, Black and Red
Terminal Plugs
K Type Adaptor and Temperature Probe
WARNING
Fuses
Figure 9 – Removing Back of
WARNING
Multimeter Case
Back
of
Case