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Electronics > Audio > Professional Audio > Listen Technologies FSM Field Strength Meter; Cost effective simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118-4; Three modes of operations for three test types, A-weighted background noise, broad band mode (50 Hz 8 kHz) and frequency response (100 Hz, 1 kHz, 5 kHz); (LISTENTECHNOLOGIESFSM LISTENTECHNOLOGIES FSM LISTEN TECHNOLOGIES FSM)
Listen Technologies FSM Field Strength Meter; Cost effective simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118-4; Three modes of operations for three test types, A-weighted background noise, broad band mode (50 Hz  8 kHz) and frequency response (100 Hz, 1 kHz, 5 kHz); (LISTENTECHNOLOGIESFSM LISTENTECHNOLOGIES FSM LISTEN TECHNOLOGIES FSM)
Listen Technologies FSM Field Strength Meter; Cost effective simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118-4; Three modes of operations for three test types, A-weighted background noise, broad band mode (50 Hz 8 kHz) and frequency response (100 Hz, 1 kHz, 5 kHz); (LISTENTECHNOLOGIESFSM LISTENTECHNOLOGIES FSM LISTEN TECHNOLOGIES FSM)

SKU: FSM

Brand: Listen Technologies

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Listen Technologies FSM Field Strength Meter; Cost effective simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118-4; Three modes of operations for three test types, A-weighted background noise, broad band mode (50 Hz 8 kHz) and frequency response (100 Hz, 1 kHz, 5 kHz); The field strength meter shall measure the background noise by determining the level of background magnetic field present in the intended location for the loop system; It shall measure the field strength delivered by the system; The meter shall measure the performance of the frequency spectrum required by IEC60118:2006 standard; It shall have an audio output to allow to the signal to be heard through a headphone or earspeaker; The meter shall include a LED graph with a wide view angle that is color coded; It shall accept two AA alkaline batteries and display an illuminated LED when the battery is at acceptable level; The FSM Field Strength Meter is specified; Dimensions 3.3" x 5.5" x 1.0"; Weight 1.2 lbs

General Information
Manufacturer Listen Technologies
Manufacturer Part Number FSM
Product Name Field Strength Meter
Overview
The field strength meter is a cost effective and simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118:2006 standard. 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 correct function of the loop system. The meter also doubles as a loop receiver with a headphone output to listen to the signal in the loop
Features
  • Cost effective simple solution for measuring, setting up and commissioning a hearing loop system to the requirements of IEC60118-4
  • Three modes of operations for three test types, A-weighted background noise, broad band mode (50 Hz 8 kHz) and frequency response (100 Hz, 1 kHz, 5 kHz)
  • The field strength meter shall measure the background noise by determining the level of background magnetic field present in the intended location for the loop system
  • It shall measure the field strength delivered by the system
  • The meter shall measure the performance of the frequency spectrum required by IEC60118:2006 standard
  • It shall have an audio output to allow to the signal to be heard through a headphone or earspeaker
  • The meter shall include a LED graph with a wide view angle that is color coded
  • It shall accept two AA alkaline batteries and display an illuminated LED when the battery is at acceptable level
  • The FSM Field Strength Meter is specified
  • Specification
    Includes
    One FSM Field Strength Meter
    One Audio CD with Test Signals
    Two AA Alkaline Batteries
    One Soft Carrying Pouch
    One Instruction Guide
    Audio
    Frequency Response
    50 Hz to 8 kHz +/- 0.25 dB
    30 Hz to 10 kHz -3 dB
    Gain Stability
    Better then 0.5 dB over all conditions
    Indicators
    LED
    Color Coded:
    Grenn for -3 to +3 dB
    Red for -4 to -22 dB
    Interconnections
    Headphone Connector
    3.5 mm Stereo Connector, 16 Ohms (32 Ohms per side)
    Loop
    Coil Orientation
    Vertical when held upright
    Referencial Level
    400 mA/m (In field strength mode)
    Power
    Battery Type
    Two x AA Alkaline
    Battery Life
    Up to 100 hrs. use, dependant on use pattern
    Battery Monitor
    Battery OK when LED illuminated
    Environmental
    Relative Humidity
    IP20 Protection, 20 to 90 percent Relative Humidity, 14 to 113 degrees fahrenheit
    Weight and Dimensions
    Dimensions
    3.3" x 5.5" x 1.0"
    Weight
    1.2 lbs
    A-20190113-1831-200-L
    *This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories; and full manufacturer's USA warranty.
    *** DISCLAIMERS: 1) Availability is not always guaranteed: Please call or email us to double-check stock before placing your order. We ship from our inventory and also drop-ship from hundreds of suppliers. We try very hard to show only available products but sometimes products sell out before we can update the product webpage.  2) Some information may have been supplied by 3rd Party Content Suppliers: We are not responsible for Data or Image errors.  3) We do not offer Installation, Training or Technical Support on this product.***

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