Current Measuring "A - VOLTCRAFT VC830 Notice D'emploi

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c) Current Measuring "A"
Do not exceed the maximum permitted input values. Do not touch any circuits or
parts of circuits if there could be voltages higher than 25 V ACrms or 35 V DC
present within them. Danger to life!
The voltage in the measuring circuit may not exceed 1,000 V in CAT III.
Measuring >5 A may only be performed for max. 10 seconds and at 10 minute
intervals.
Always start current measurements at the highest measurement range and switch
down to lower ranges if necessary. Before changing the measurement range, always
shut off the circuit. All current measuring ranges are secured with fuses and thus pro-
tected against overload.
Proceed as follows to measure DC voltages (A
- Turn the DMM on and select measuring range "A
- The table shows the different measuring functions and
possible measuring ranges. Select your measuring range
and the respective measuring jacks.
Measuring
function
µA
mA
10A
- Insert the red measuring line into the mA µA or 10A
measuring jack. Plug the black measuring line into the
COM socket.
- Now connect the two test prods in series with the object
to be measured (battery, circuit etc.); the display indica-
tes the polarity of the measured value together with the
currently measured value.
When a minus "-" appears in front of the measured value when measuring DC, the
measured voltage is negative (or the measuring lines have been mixed up).
- After measuring, remove the measuring lines from the measured object and turn the DMM off.
Proceed as described above to measure alternating currents (A
- Turn the DMM on and select measuring range "A
suring range at the VC850. "AC" appears in the display. Pressing this button again, takes you back
etc.
- After measuring, remove the measuring lines from the measured object and turn the DMM off.
Do not measure any currents above 10 A in the 10A range and no currents above
600 mA in the mA/µA range, otherwise the fuses trigger.
VC830, VC850
0.1 µA - 6000 µA
0.01 mA - 600 mA
0.001 A - 10 A
):
".
Measuring
jacks
COM + mAµA
COM + mAµA
COM + 10A
". Press "SELECT" (3) to switch to the AC mea-
).
39

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