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The Contacta Loop-FSM is a loop amplification system testing device designed for testing whether a loop amplification system is operational. This instrument takes single axis true-RMS measurements and accurately measures AC magnetic fields with a bandwidth of 45 to 10,000 Hertz. It measures sound levels between -60dB and +9dB. This Loop-FSM has a headphone jack so the user can listen to the loop system as he or she calibrates it, and its display has variable backlight. It can calibrate loop systems to meet the International Electrotechnical Commission's IEC/EN 60118-4 standards.
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