18
Maintenance
• Do not attempt to repair this unit. It contains no user-serviceable
parts.
• Do not expose the unit to extremes in temperature or high
humidity. See Specifications.
Failure to observe these precautions may result in injury and can
damage the unit.
Battery and Fuse Replacement
Before opening the case, remove the test leads from the circuit
and shut off the unit.
Failure to observe this warning could result in severe injury or
death.
1. Disconnect the unit from the circuit.
2. Turn the unit off.
3. Remove the screws from the back cover.
4. Remove cover.
5. Replace the battery (observe polarity) and/or fuse.
6. Replace the back cover and screws.
Cleaning
Periodically wipe the case with a damp cloth and mild detergent; do not
use abrasives or solvents.
Summary of Contents for DM-50
Page 10: ...10 Typical Measurements Current Measurement Voltage Measurement ...
Page 11: ...DM 50 DM 55 11 Typical Measurements Continuity Check Resistance Measurement ...
Page 27: ...DM 50 DM 55 27 Mediciones más comunes Medición de corriente Medición de tensión ...
Page 28: ...28 Mediciones más comunes Verificación de continuidad Medición de resistencia ...
Page 45: ...DM 50 DM 55 45 Mesures types Mesure du courant Mesure de la tension ...
Page 46: ...46 Mesures types Vérification de la continuité Mesure de la résistance ...
