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FoSmeter H testing/listening device
• For testing and calibraton of audio frequency loop systems prior to use • Dims (width x height x depth): 64 x 101 x 22 mm • Measures magnetic field strength of induction loop system • Tests for distortion of conventional audio signals such as music or speech • Requires (not included): 1x PP3 battery 2 Ohm headphones • Black plastic
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