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  • Visit Us: 8400 Menaul Blvd, Suite F, Albuquerque, NM 87112

Williams Sound Proloop Field Strength Meter Plus

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Williams Sound

 Product Description

The Proloop Field Strength Meter (FSM) Plus measures the magnetic field strength of induction loop systems according to IEC 60118-4:2006 and BS 6083, Para. 4. The device is designed for professional use and delivers reliable RMS values on the output level, response frequency, AGC function (Automatic Gain Control), distortion and background noise in the tested induction loop. In addition, it enables the user to make an acoustic evaluation of the sound via earphones.


  • Conforms to IEC 60118-4: 2006 standard
  • Adjustment possibilities for test ranges of background noise and field strength
  • RMS-measuring range calibrated to 400mA/m = 0dB
  • Multi-colored LEDs for excellent legibility
  • LED-scale with 3dB resolution
  • 3.5mm stereo headphone jack with volume control
  • Handy, lightweight, rugged chassis
  • Switchable A weighted filter
  • Uses two 1.5V AA batteries
  • Dimensions 3.3" x 5" x 1.4"

 Warranty Information

Two year warranty

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  • Call Us: (505)299-7777 / (877)287-0608
  • Visit Us: 8400 Menaul Blvd, Suite F
  • Albuquerque, NM 87112
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