Martindale VT3 Non Contact Voltage and Magnetic Field Indicator Martindale MARVT3 P The Martindale VT3 combines a non contact voltage detector with a magnetic field indicator Suitable for detection of AC voltages in walls sockets cables circuit breakers and more With a detection range of 200V 1000V this is a handy tool for any electrician fitting comfortably into your pocket with the aid of a clip P P The VT3 is simple to use and features a red light in the tip which illuminate
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