Description
Our FPROK Fosmeter Pro induction loop test kit is designed to simplify the setup of an induction loop system and ensure its compliance with the latest version of BS EN 60118-4 (Magnetic field strength in audio-frequency induction loops for hearing aid purposes).
The kit includes the FPRO Fosmeter Pro induction loop tester (pictured left), an MP3 player c/w pre-loaded test tones and a set of headphones.
Key features
• A digital LCD display with a user-friendly interface to simplify testing.
• Two ‘soft’ buttons that dynamically change their functions to suit the menu options being accessed.
• Battery low indication and an auto-power off function that kicks in after 10 minutes of Fosmeter inactivity.
• A 3.5mm headphone jack socket allowing users to listen to the loop signal using a set of HEAD1 headphones (supplied in FPROK kit).
• The unit is powered from a 9V PP3 battery (provided) and is supplied in a protective canvas carrying case.
Simplicity itself
The Fosmeter Pro’s test results are typically shown on the unit’s LCD as shown left. A summary of these tests appears below:-
Field Strength test: Detects a pulsed 1kHz signal in accordance with BS EN 60118-4, calibrated at 400mA/m = 0dB L.
Background Noise test: Advises if the signal is acceptable, tolerable or too high in accordance with BS EN 60118-4.
Frequency Response test: Detects 100Hz, 1kHz and 5kHz in accordance with BS EN 60118-4. All three frequency readings are displayed on the same screen allowing you to tell at a glance if the setup is within the +/- 3dB L required by the standard.
Metal Compensation test: This test goes beyond the scope of BS EN 60118-4 but adheres to the 3rd octave frequency spectrum advised in the standard, measuring 1kHz through 8kHz. For use with amplifiers with metal compensation controls/functions.
More detailed information can be found in the Fosmeter Pro’s instructions.
One FPROK kit (plus ancillaries such as MP3 player connection leads) is all it takes to ensure your loop installations comply with current British Standards. Can you afford not to carry one in your tool box?
The Fosmeter Pro is a 400mA magnetic field strength meter and loop listener, complete with circuitry for measuring background noise, frequency response and metal compensation.
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