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5 Measuring
WARNING: Measurements in circuits carrying more than
42 V must only be made by persons able to recognize a haz-
ard of contact and to take the required safety precautions .
In case of measurements with a hazard of contact, avoid
working on your own . Ask a second person to assist .
Caution: Before switching over to another measuring function, always
remove the test tips from the object to be measured to prevent damage
to the meter!
With unknown voltage values or current values, start with the highest
measuring range to prevent overload of the meter . Then select the small-
est possible measuring range (e . g . to measure ⎓ 15 V, use the range
"20 V
" instead of the range "200 V
dc
a measuring range is exceeded, "1" will be displayed . In this case, select
the next higher range .
5.1 Measuring voltages
WARNING: Take into account unexpected voltages on
objects to be measured . Capacitors, for example, may be
dangerously charged even if the voltage source has been
switched off .
•
Never use this meter for measuring circuits with corona discharges
(high voltage) . Danger to life!
The maximum voltage to be measured must not exceed ⎓ /~ 250 V,
•
otherwise you will risk your life!
Caution: When measuring voltages, do not connect the red test lead to
the jack "10A" (5), otherwise the meter and the object to be measured
may be damaged!
For measuring AC voltages, set the switch (4) to one of the two ranges
"V
"; for measuring DC voltages, set it to one of the five ranges "V
ac
Apply the test tips to the object to be measured and read the value on
the display . If the red test tip is applied to the negative pole and the
black tip to the positive pole when measuring DC voltages, there will be
a minus sign in front of the value displayed .
") to obtain a high accuracy . If
dc
" .
dc
15
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