Martindale NC3 Non-Contact Voltage and Magnetic Field Tester Pen, Audible & Visual Indication, LED Torch, 200–1000V AC

Works well detecting coils are energised.

Not very sensitive on cables.. but the magnet detector really helps. Great buy.

This unit is not sensitive enough??

For a Martindale product. This is poor. Very insensitive, must be on an almost bare live cable to respond. Never picked up a live flex cable.

Typical martindale well make accurate a tool you can trust

Funziona benissimo

Sehr unzuverlässig. Nehme es von Haus aus nur für "schnelle Überprüfung". Natürlich nicht für gefährliche Sachen. Aber selbst da funktioniert es absolut nicht. Habe mit der Einenmarke von Conrad bessere Erfahrungen gemacht.

qualche volta fallisce oppure non si comprende bene quando altri cavi sono vicini, pertanto pecca e non da fare tanto affidamento