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Supermarket induction loop system specifications
 

Suspended Induction Loop System (SILS)
The SILS is specifically designed for use at a supermarket checkout, kiosk or deli-counter. The inductive field output extends from each side of the sign. This enables the hearing aid user to hear in a large area around the checkout, kiosk or deli-counter.

Loop amplifier
The DLS30 is a dedicated induction loop amplifier that covers an aera of approximatley 4 square metres when connected to SILS. The built in AGC circuit maintains a clear and constant level of sound this helps prevent the hearing aid from distorting.

Microphone
The microphone has been specifically designed to pick up sound directly below the SILS and reject unwanted extraneous background noise.

Loop amplifier features
Constant current output - Compensating
automatically for changes in loop impedance
Conforms to BS6083 pt4 and IEC 60118-4
Auto compensates for field strength changes
Loop sizes from 1m2 to + 4m2 connected to SILS
Multi turn loop
One microphone input and one auxiliary input

Loop amplifier specifications
Power supply: 220-240Volt 50-60Hz
Output Current: 3 amp peak to peak, 1ms, 1kHz, A RMS, 10ms, 1kHz 7A RMS, 125ms, 1kHz
AGC Working range: 70dB / attack 2-500ms / release 0.5-20dB/s
Frequency range: 100Hz to 5KHz (+ - 3dB)
Loop Impedance: 1 ohm constant current
Output Protection: Full electronic
Input 1: Microphone unbalanced 0.5-20mV (phantom power)
Hearing loss suitability: Up to severe/profound loss
Case dims: L:145mm W:60mm H:30mm
Weight: 180g

SILS specifications
Sign dimensions: L:1200mm H:400mm W:50mm
Weight (including encapsulated DLS30 loop amplifier): 1700g

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