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Silbato Storm Naranja

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Referencia: AW1

EAN13: 0742272000011

Silbato de emergencia Realizado en termoplástico negro con ojal Funciona bajo el agua Ideal para actividades al aire libre, personal de rescate y fuerzas...

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Llévatelo por solo

7,95 €(Imp. incl.)

Envío gratis: para pedidos superiores a 50€

En stock, envío inmediato - Envío estimado: 24h ver más

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Technical Information

The Storm® All-Weather Safety Whistle is the loudest whistle on the market. Its unique patented design allows it to be heard under water, up to 50 feet, because the sounding chamber forces all water to be purged when the whistle is blown. Made in the USA. It's perfect for divers, lifeguards, and for recreation! Creates a clear, high frequency sound, with a power rating over 75% greater than other referee and safety whistles.

Test Results

    The Storm whistle is twice as loud as any other mouth-blown whistle in the world. Initial testing was conducted by the Hearing Conservation Programs Inc., who tested the decibel rating of various military, sports and survival whistles against the Storm whistle. These first tests were performed in a sound proof booth at a distance of 15 feet with the whistle being blown by mouth, and had a number of variables, such as the person blowing the whistle and the accuracy of the sound level devices.
    The second set of tests, conducted by the Central Institute for the Deaf, were performed in open air at a distance of 15 feet, 25 feet and 50 feet. Here the whistles were attached to a constant air source which was adjusted to the normal blowing strength typically generated by the mouth. The sound the whistles made was then analyzed by computer, using a double blind technique, detailing the amplitude and signature of the sound created.
    With a standard whistle, nonproductive high frequency (over 5000 hertz) and nonproductive low frequency (below 2000 hertz) sounds are created. Because of the patented harmonic chamber that is unique to the Storm whistle, these high and low frequency sounds are recycled and focused into our extremely loud single 3150 hertz frequency of double the standard amplitude.
    The focused 3150 hertz frequency was generated intentionally in accordance with government recommendations that showed that the 3150 hertz tone is the most readily heard over the noise of motors, crowds, and explosions.
    In all these cases, test results showed the Storm whistle as being twice as loud as the other whistles.

Silbato de emergencia

Realizado en termoplástico negro con ojal

Funciona bajo el agua

Ideal para actividades al aire libre, personal de rescate
y fuerzas del orden

Empleado por el ejército de Estados Unidos

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Nuestros clientes opinan...

ANGEL LUIS MADRID 23/02/2023

"Práctico y eficaz. Coincide con el producto ofrecido. Buen precio y buen trato por parte de la tienda y su personal."
luis fernando madrid 09/09/2020

"PERFECTO PARA EL MAR EL PEDIDO LLEGO EN MENOS DE 24 HORAS"
PEDRO RICARDO ALVERCA DO RIBATEJO 26/05/2020

"THE MOST POWERFUL WHISTLE IN THE WORLD, I MADE A VIDEO TESTING IT IN LONG DISTANCES, I WAS SURPRISED !!! https://www.youtube.com/watch?v=jCb-MNfpMPE&t=6s"
TERESA TENDILLA 20/01/2015

"ESTAMOS EN FASE DE PRUEBA PERO NUESTRAS PERRAS RESPONDEN DE INMEDIATO A LA LLAMADA, AUNQUE ESTE NO SEA SU PRINCIPAL USO"

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