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Test & Measurement

PLM FSMP Induction Loop Field Strength Meter

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The PROLOOP FSM Plus accurately measures the magnetic field strength of induction loop systems, according to IEC 60118-4:2006 and BS 6083, Para. 4. Designed for professional use, it delivers reliable RMS values on the output level, response frequency, Automatic Gain Control (AGC) function, 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. Includes batteries.
Click on the photo for a closer look.

 PLM FSMP   $387.00











PLM FSMP Induction Loop Field Strength Meter

Williams Sound Logo
A refurbished PLM FSMP is also available. It is in like new condition for about 1/2 the price of new. Includes 2 new AA batteries and storage foam.
Comes with a one year parts and labor warranty from Crow River Audio.
Click on the photo for a closer look.

 PLMFSMPR   $189.95







WIRM-1 Infrared Field Strength Meter Model WIRM-1

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The WIRM-1 is a field strength meter used in the installation of 95 kHz infrared systems. Refurbished in like new condition. Includes new 9V Alkaline battery.
Comes with a one year parts and labor warranty from Crow River Audio.
Click on the photo for a closer look.


 WIRM-1R   $69.95











LM27P5 Gold Line RTA

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 Refurbished Gold Line LM27P5 real time analyzer. 27 band, 1/3 octave. Both mic and line level inputs. Has a built-in pink noise generator, very useful for measurement work. Single rack space package. Includes mounting hardware. Works well and is in good condition. Includes a copy of the operator's manual but does not include the original measurement microphone.
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To see a copy of the manual, click here.
LM27P5R   $199.95












TEF Tones TEF Tones CD

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 A very useful CD full of test tones, pink noise, speech and music to assist you in testing sound systems for proper EQ and speech intelligibility. 14 tracks.
To see more information about this CD, click here.
TEFTONES   $29.95








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Test CD Syn-Aud-Con Test CD

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 Syn-Aud-Con test and measurement CD. 93 tracks of specific audio that you will find very useful when tuning sound systems for proper EQ and speech intelligibility.

 SACCD   $39.95