Dc Voltage Measurement; Resistance Measurement - Voltcraft Vc331 Bedienungsanleitung

9.9.2 DC voltage measurement

1. Set the rotary switch to: V
2. Press the SELECT button to enter DC mode.
à
The display will show "DC" and "mV".
3. Connect the test leads to the input terminals:
- Black test lead to the negative input terminal: COM.
- Red test lead to the positive input terminal: V.
4. Touch the test probe tips across the object under test (e.g., circuit, battery). It
may take a few moments for the reading to stabilize.
à
The measurement will show on the display.
à
The display will show icon
ceeded or the circuit is interrupted.
à
A minus sign "-" will appear in front of the reading if the polarities are re-
versed.
5. Disconnect the test leads and switch the power OFF after use.

9.10 Resistance measurement

WARNING: Never test on a live circuit. Remove all power from the cir-
cuit and discharge all capacitors before testing.
.
(overload) if the measuring range is ex-
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