Fluke VoltAlert and LVD2 AC voltage detectors

A Fluke voltage detector is a non-contact tester that lets electricians and installers quickly check whether a cable, socket or switch carries AC voltage before they work on it. The devices are pen-shaped and give a signal as soon as they detect voltage.

The VoltAlert detectors 1AC II and 2AC are the standard for daily checks: they work in a range of 90V to 1000V AC and fit in a breast pocket. Choose between them by version, and also look at the five-packs if you are equipping a crew or want spares. The LVD2 combines a voltage detector with a torch and has two detection levels, for a range of 90V to 600V AC; handy for anyone who often works in dark cabinets or ceilings.

A voltage detector gives a first indication, not a measured value. To actually measure the voltage or confirm that a circuit is dead, use a two-pole tester. These detectors belong to the Fluke analogue measuring instruments.

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