Resistance Measuring; B) Resistance Measurement - VOLTCRAFT LCR-100 Bedienungsanleitung

Prior to working with the measuring device, you first have to insert the enclosed
battery. Inserting and changing the battery can be found in Section
"Maintenance and Cleaning".
b) Resistance measuring
Make sure that all the circuit parts, switches and components and other objec-
ts of measurement are disconnected from the voltage and discharged.
Proceed as follows to measure the resistance:
- Turn the DMM on and select measuring range "Ω"
- Plug the red measuring lead into the Ω measuring socket "+" (9) and
the black measuring lead into the Ω measuring socket."-" (8).
- Check the measuring leads for continuity by connecting both measu-
ring prods with one another. After that the resistance value must be
approximately 0 to 0.5 Ohm (inherent resistance of the measuring
leads).
- With low-Ohm measurements, press the button "REL" (12) to not let
the inherent resistance of the measuring leads flow into the following
resistance measuring. The display shows 0 Ohm The automatic ran-
ge selection (auto range) is deactivated. Reactivate the auto range
function by changing the measuring function or pressing the button
"REL" for 2 seconds.
- Connect the two measuring prods to the object to be measured. As long as the object to be measu-
red is not high-resistive or interrupted, the measured value will be indicated on the display. Wait until
the display has stabilised. With resistances of >1 MOhm, this may take a few seconds.
- As soon as "OL" (overload) appears on the display, you have exceeded the measuring range or the
measuring circuit has been broken.
- After measuring, remove the measuring leads from the measuring object and turn the DMM off.
If you carry out a resistance measurement, make sure that the measuring points
which you contact with the test prods are free from dirt, oil, solderable lacquer or the
like. An incorrect measurement may result under such circumstances.
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