Jännitteenilmaisun
Jännitteenilmaisin is a Finnish term that translates to "voltage detector" or "voltage tester" in English. It is a device used to ascertain the presence or absence of electrical voltage in a circuit or on a conductor. These instruments are crucial safety tools for electricians, technicians, and anyone working with or near electrical systems.
There are various types of voltage detectors. Some are simple, non-contact devices that light up or emit
The primary function of a jännitteenilmaisin is to ensure that a circuit is de-energized before any maintenance