Wiha multimeter voltage tester Volt detector, single-pole 90–1000 V AC (red/yellow, non-contact) is a hand-held power tool designed for quick and easy detection of alternating voltage. It is a non-contact tester that allows you to check the presence of voltage in cables, sockets and wires without directly touching metal conductors. This makes it particularly suitable for use in the household, for maintenance work and basic electrical checks, where it is necessary to simply check whether an electric current is present.

Its main advantage is that it detects voltage in the range of 90 to 1000 V AC, which covers the usual needs for checking most household and commercial electrical installations. Being single-pole and completely non-contact, the tester allows the user to work safely even where access to live wires is limited or direct contact is not recommended.

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The tester does not require direct contact with the wire to operate - voltage detection is performed via a sensor tip that reacts to an electric field, allowing for quick and easy testing of electrical cables, distribution boards, sockets or switches. The non-contact mode reduces the risk of accidental contact with a dangerous part of the electrical installation and is convenient for everyday situations when it is important to quickly determine whether voltage is present.

The operating range up to 1000 V AC is wide and covers use with most standard mains voltages as well as in buildings where higher voltages exist, such as apartment buildings or small commercial buildings. Since the detector is not designed to detect DC voltage or measure current, its use is limited primarily to basic AC voltage checks.

The tester's handheld and compact design makes it easy to handle and carry. Updated features such as the absence of current clamps and a touch screen allow for easy use without additional settings or complicated procedures. In practical use, this means that the tester is always ready for a quick check without requiring preparation or calibration.

The detector is a particularly useful solution for home users, independent installers and people who occasionally need to check the voltage in installations without having to deal with more complex measurements such as current, resistance or capacitance. The main purpose of the tool is to provide reliable and direct information about the presence of AC voltage at the moment you need it.