
22
1.
Disconnect the unit from the circuit. Turn the unit OFF.
2.
Remove the four screws from the back cover.
3.
Remove the back cover.
4.
Replace the battery (observe polarity) and/or fuse(s).
5.
Align the two halves of the unit and the rubber gasket.
6.
Be sure the selector is in the original position so that it lines up properly with the
internal switch.
7.
Replace the cover and screws.
Before opening the case, remove the test leads from the circuit and shut off the unit.
Failure to observe this warning can result in severe injury or death.
Battery and Fuse Replacement
The fuse is an integral part of the overvoltage protection. When fuse replacement is
necessary, see Specifications for the correct type, size and capacity. Using any other
type of fuse will void the overvoltage protection rating of the unit.
Failure to observe this warning can result in severe injury or death.
Summary of Contents for DM-800
Page 12: ...12 Typical Measurements Current Measurement Voltage Measurement ...
Page 13: ...DM 800 DM 810 DM 820 13 Resistance Measurement Continuity Check Typical Measurements ...
Page 14: ...14 Typical Measurements Capacitance Measurement Diode Measurement Forward Bias Reverse Bias ...
Page 15: ...DM 800 DM 810 DM 820 15 Typical Measurements Temperature ...
Page 34: ...34 Mediciones más comunes Medición de corriente Medición de tensión ...
Page 37: ...DM 800 DM 810 DM 820 37 Mediciones más comunes Temperatura ...
Page 56: ...56 Mesures types Mesure du courant Mesure de la tension ...
Page 57: ...DM 800 DM 810 DM 820 57 Mesure de la résistance Mesures types Vérification de la continuité ...
Page 59: ...DM 800 DM 810 DM 820 59 Mesures types Température ...