Wind noise reducing system (WNRS) is designed to reduce the wind noise effect on the signal measured by the infrasound sensors. There is 96 or 32 air inlet ports. It can also be made with flexible hoses or stainless steel pipes.

 

Introduction

The Wind Noise Reducing System (WNRS) is an array of air inlets connected with hoses or pipes to reduce wind noise and improve signal quality. Two main configurations exist: Star arrays (designed by CEA) and Rosette arrays (designed by Enviroearth). Depending on the field configuration, you may choose different diameters, number of air inlets and type of hoses.

Product catalog

Product information can be accessed by browsing the product catalog

WNRS with Flexible hoses

96 air inlets

Premium Flexible - 10m

Premium Flexible: 10 m span with flexible hoses – System designed for temporary installations or difficult to access places - possiblity of carrying out pressure tests to detect leaks.

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Deluxe Flexible - 18m

Deluxe flexible: 18m span with flexible hoses – System designed for difficult to access places with uneven ground - possiblity of carrying out pressure tests to detect leaks.

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WNRS with stainless steel pipes

96 air inlets

Premium stainless steel - 18m

Premium Stainless steel: 18m span (can be reduced to 10 meters for confined spaces). This high-quality system is adapted to coastal areas and enables good measurements.

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Deluxe stainless steel - 18m

Deluxe Stainless Steel: 18m span and up to 36m to detect low frequencies more accurately, this is the state-of-the art noise reduction system. It is designed for permanent installations, adapted to even ground and suitable for coastal areas. The addition of valves allows pressure-test to detect leaks

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WRNS with flexible hoses

32 air inlets

[PR000224-WNR_32s]: Star Flexible - 18m: Design by CEA, the 32 air-inlets wind noise reducing system is composed of 4 branches of flexible hoses divided into 8 branches equipped with crepine as air inlets, with a 18-metre wingspan.

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