Ampetronic, Teleslynge modtager m. feltstyrke indikator

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Varenummer (SKU): 502825

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Denne audio-teleslyngemodtager giver brugeren mulighed for at lytte til et teleslyngesystem ved hjælp af standard stereo hovedtelefoner (medfølger). Den har en lodret monteret pick up spole og en low cut filterfunktion til at gengive et høreapparat skiftet til T position.

Denne modtager har den ekstra feature, at yderligere har en indbygget feltstyrkemåler, der giver mulighed for at kontrollere, at teleslyngen fungerer korrekt.

  • Low distortion
  • Flat frequency response to 6kHz
  • Low cut filter—to simulate hearing aid response
  • Low and high field strength indicators according to IEC60118-4
  • Volume control
  • Auto power off with headphone removal
  • > 100 hours life with 2 AA batteries

Produktdetaljer

Når der er installeret en teleslynge på en lokation, skal den tekniske medarbejder eller personalet altid have mindst én testmodtager, der giver dem mulighed for regelmæssigt at overvåge systemets ydeevne. Denne modtager fra Ampetronic udfører denne opgave uden den ekstra omkostning og kompleksitet, der er forbundet med en feltstyrkemåler. Det er enkelt og meget omkostningseffektivt og opfylder alle kravene i den internationale teleslynge standard IEC60118-4.

Det kræver ikke nogle tekniske færdigheder for at kontrollere at teleslynge virker, som den skal, og lytte til teleslyngesignalet for tilstrækkeligt signalstyrke. En aldeles nem kontrolenhed for at kunne afgøre om et teleslyngeanlæg virker.

Using the 502825 to Check a Loop System

The 502825 is designed to make it simple for anyone to regularly check that a loop system is working, has a field strength of the correct level to provide benefit, and meets the IEC60118-4 standard.

Field Strength Indicators

As dictated by the international standard, the 502825 has two indicators and these are calibrated to illuminate when the field strength is 400mA/m (0dB) or higher (GREEN) and between 200 and 400mA/m (-6 and 0dB) (YELLOW)

Checking Loop System Status

The status of the loop can be easily checked by running continuous speech or music into the loop and monitoring the indicators when the 502825 is held in the appropriate location. A simple table on the back of the 502825 shows what is acceptable or not.

User Instructions

The 502825 hearing loop tester / receiver comes with a simple user procedure to help guide anyone through the checking process. Using the 502825 requires no special knowledge of loop systems or any technical knowledge.

Who can use the 502825?

The 502825 is ideal for regular use by a facilities manager or non-technical member of staff. Regular use will ensure that the provider of the service keeps the loop system working and providing a genuine benefit to the hard of hearing. The 502825 is an essential companion to any loop system installation.

Tekniske specifikationer

Low Cut Filter
The 502825 incorporates a low cut filter. Switching the low cut filter on attenuates the low frequency (bass) components of the signal emulating a typical hearing aid response and helps reduce the annoying ‘buzz’ caused by some AC power circuits.

For best reception in general use and where there is no low frequency interference, the 502825 should be used with the ‘flat’ frequency
response selected.

Specification

Frequency response Standard: Flat 85Hz – 6kHz ± 0.5dB
Low Cut: 400Hz – 6kHz – 3dB (similar to hearing aid)
Output power >100mW into 16Ω load
Distortion
Battery powered 2 x Alkaline AA (included)
Battery life >100 hours with Alkaline batteries

Physical

Dimensions width 62mm, depth 26mm, height 112mm
Temperature range IP20 : 20 to 90% relative humidity, -10 to 45ºC

Accessories
Stereo headphones impedance 32Ω per side (included)

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