Digital Probe

Digital Probes are electronic devices which are connected to an electronic measuring machine such as a multimeter. They are made of wire with a plastic covering and when they touch an electric circuit, current flows through them and the measurement can seen on the meter, Digital probes can also be small hand held devices see the picture below.

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The digital probes can be seen on the left of this ammeter and they are attached by red and black wires.

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A hand held digital probe.

References
www.wikipedia.com
www.parklandscientific.com

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