Testing The Continuity; Measuring Capacitances - Monacor DMT-2010 Bedienungsanleitung

2) To switch to diode test, press the button "MODE" (3) once (diode sym-
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bol
3) Apply the black test tip to the cathode of the diode and the red test tip
to the anode. With a measurement current of approx. 0.3 mA, a for-
ward voltage up to 0.999 V will be displayed. If a value around 0 V is
displayed, the diode has a short circuit. If "OL" is displayed, the diode
is interrupted, reverse-biased (reverse the polarity of the diode) or has
a higher forward voltage (e. g. LEDs).

5.5 Testing the continuity

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Never test the continuity when voltage is applied, otherwise the meas-
urement will be inaccurate.
The continuity test will check the circuit for interruption.
1) Set the selector switch (6) to the position " Ω
2) To switch to continuity test, press the button "MODE" (3) twice (buzzer
symbol
3) Apply the test tips to the measuring points. If the resistance value be-
tween the points is smaller than approx. 30 Ω, the internal buzzer will
sound. The resistance value will be displayed up to 400 Ω. With higher
values, the overload indication "OL" will appear.

5.6 Measuring capacitances

Switch off the power supply and discharge the capacitor before solder-
ing it out of the circuit.
1) Set the selector switch (6) to the position "Ω
2) To switch to capacitance measurement, press the button "MODE" (3)
three times ("nF" will be displayed).
3) Apply the test tips to the capacitor. With electrolytic capacitors, ob-
serve the polarity: Apply the red test tip to the positive pole, apply the
black test tip to the negative pole. Read the value on the display. The
measuring process may take a few seconds so that the accurate value
will not be indicated immediately.
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will be displayed).
will be displayed).
WARNING: Never measure a capacitor when it is charged
or when operating voltage is applied; otherwise you will risk
an electric shock. Furthermore, the measurement will be in-
accurate.
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CAP
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