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• When measuring current, turn o the circuit power before connecting the meter in
series with the circuit. Improper set up could result in electrical shock.
• When measuring resistance, disconnect all power (remove batteries, unplug cord,
discharge all capacitors, etc.) to the circuit being measured. This reduces the risk of
electric shock.
• After resistance test, the capacitive circuits must be discharged. This will help pro-
tect against electric shock.
• Use extreme caution when working near bare conductors and bus bars. Accidental
contact with conductors could result in electrical shock.
• Turn o power to the circuit under test before cutting, unsoldering, or breaking the
circuit. Small amount of current can expose the operator to a shock hazard.
The EC Declaration of Conformity (890-011-320.10) will accompany this manual as a sepa-
rate booklet when required.
If you have any question concerning this RIDGID® product:
• Contact your local RIDGID distributor.
• Visit www.RIDGID.com or www.RIDGID.eu to nd your local RIDGID contact point.
• Contact RIDGID Technical Services Department at rtctechservices@emerson.com, or in
the U.S. and Canada call (800) 519-3456.
Description, Specifications And Standard Equipment
Description
The RIDGID® DM-100 Digital Multimeter is a handheld instrument. The unit can measure DC
and AC Voltage and Current, Resistance, Capacitance, Frequency, Temperature, Continuity
(audible signal) and Test Diodes. The multimeter can automatically select the best range
for measurement.
The unit has data hold and relative measurement functions. Overload protection and low
battery indication are provided. The unit has a 4000-count backlight LCD.
The multimeter is powered by a 9V battery and has auto power-o function after 15 min-
utes of inactivity.
Specifications
Display ................................................................4000 Count backlight LCD
Overvoltage Category ..................................CAT III 1000V, CAT IV 600V
Fuse Rating ........................................................0.5A/1000V Fast Blow for the 400mA Range,
Insulation ...........................................................Class 2, Double Insulation
Protection Rating ............................................IP 67
Polarity ................................................................Auto Polarity Indication
Operating Temperature ...............................0°C to 50°C (32°F to 122°F)
Power Supply ...................................................9V Battery, NEDA 1604, IEC 6F22 or 6LR61
Weight .................................................................0.82 lbs (375 g)
Dimension .........................................................7.2" x 3.2" x 2.2" (182 x 82 x 55 mm)
micro DM-100 Digital Multimeter
10A/1000V Fast Blow for the 10A Range
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