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Test & Measurement

TFSM01 Induction Loop Field Strength Meter

The Ampetronic FSM field strength meter is a cost effective and simple solution for measuring, setting up and commissioning an induction loop system to the requirements of IEC60118-4:2006. The meter is an ergonomically designed hand held instrument for measuring loop system performance. There are three calibrated operational modes for the assessment of background noise, field strength and frequency response as required to ensure the set-up of a loop system. The meter also doubles as a loop listener, with a headphone jack to listen to the signal in the loop while testing. The meter is supplied in a soft case and includes full operating instructions, including a guide to commissioning any induction loop system regardless of the manufacturer or type. Includes 2 AA batteries. This is a refurbished unit in like new condition for about 1/2 the price of new and comes with a one year warranty.
Click on the photo for a closer look.
This meter was sold by Williams AV and is still sold by Listen Technologies under part number TFSM01.

 TFSM01R   $492.95


















PLM FSMP Induction Loop Field Strength Meter

Williams Logo
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   $460.00













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   $229.95











WIRM-1 Infrared Field Strength Meter Model WIRM-1

Williams Sound Logo
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













TEF Tones TEF Tones CD

Gold Line Logo

 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   $39.95








We're sorry, this
item is sold out.
Test CD SynAudCon Test CD

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 The SynAudCon test and measurement CD has 93 tracks of specific audio that you will find very useful when tuning sound systems for proper EQ and speech intelligibility.

 SACCD   $39.95








We're sorry, this
item is sold out.