A must-have accessory for all AFILSinstallers and service engineers. Simplifies the setup of an induction loop system to BS EN 60118-4 (Magnetic field strength in audio-frequency induction loops for hearing aid purposes). Includes an FPRO Fosmeter Pro induction loop tester (c/w intuitive display and simple to follow test menus), a calibrated FPROSG Signal Generator (c/w pre-loaded test tones, voice and music samples) and a set of HEAD1 headphones. Checks the magnetic field strength of an induction loop system and measures background noise, frequency responseandmetal compensation. Loop listening circuitry allows subjective listening tests to be carried out using the headphones supplied. Powered from a 9V PP3 battery. Supplied in a protective canvas carrying case. Auto power-off function helps to preserve battery life.