RIDGID Micro DM-100 37423 - Инструкция по эксплуатации - Страница 19

micro DM-100 Digital Multimeter

18

Maintenance Instructions

  WARNING

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.

Fuses

Back  

of  

Case

Figure 9 –  Removing Back of 

Multimeter Case

  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

  WARNING

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

Test Leads with Covers, Black and Red

45023

Terminal Plugs

44758

K Type Adaptor and Temperature Probe