Zircon V2

Zircon V2 - EN 1793 and EN 16272 In Situ Noise Barrier Measurement System

Zircon V2 LS24 + MA24

 

The Zircon V2 is a complete measurement system for road traffic noise reducing devices in accordance with EN 1793-3, -4, -5 and -6 and EN 16272-3-2, -4, -5 and -6. Compared to earlier versions (supported by the original Zircon system), these updated standards have been improved by implementing a microphone grid.

The Zircon V2 comprises a loudspeaker unit (source), a 3x3-microphone array (measurement grid), a control interface, PC software ZIRCON 1.0 or DIRAC 7.3 or higher and optionally a power bank for off-grid operation.

Features

  • Complete system for EN 1793 and EN 16272 compliant in situ measurements
  • Easy setup with few cables
  • Loudspeaker unit and 3x3-microphone and 5-microphone arrays fitted with standard screw threads
  • Compact CI24 Control Interface contains multi-channel sound device and power amplifier
  • Included tripods suitable for difficult terrain
  • Includes protective flight-cases for Microphone array and Control Interface transport
  • ZIRCON or DIRAC software running on a PC (not included) performs impulse response measurements, provides all data to adjust the setup (INR, SNR, Rsub, time delays and Cgain), applies Adrienne temporal windowing, using the signal subtraction technique [5] to extend the frequency range and calculates the noise barrier parameters (DI, DLDI, RI, DLRI, SI, DLSI, DLSI,G).
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You can download the Zircon V2 datasheet including all specifications as a pdf.

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Application Information

The ZIRCON or DIRAC software generates sound via the CI24 interface through the LS24 loudspeaker, which is emitted towards the noise reducing device NRD. The diffracted, reflected or transmitted sound is picked up by the MA24 or MA25 microphone array and recorded by the software via the CI24 interface.
From the NRD measurements and the corresponding free-field measurements (away from the NRD), the intrinsic acoustic characteristics of the NRD are determined.

For reflection and transmission measurements, the MA24 3x3 microphone array is used:

Zircon V2 connections

Zircon - Connections for reflection and transmission measurements

 

Reflection measurement setup
Reflection measurement setup
Transmission measurement setup
Transmission measurement setup

 

For diffraction measurement, the MA25 microphone array is used:

Diffraction measurement connections
Diffraction measurement connections
Diffraction measurement setup
Diffraction measurement setup

 

The following technical notes contains instructions for the use of the Zircon system:

Additional documentation that can be of help for an accreditation, is available on request.

Zircon V2 Components and ordering information

Description Order code
LS24 Loudspeaker
Medium tripod

Standard:
Loudspeaker unit
CA12 Speakon cable 10 m
Carrying bag
Tripod for 2.1 m speaker height

 

Optional:
Speakon extension cable
10 m
20 m
50 m
100 m

LS24

 

 

 

 

CA12
CA12-20m
CA12-50m
CA12-100m
MA24 Microphone array
Tripod for array

Standard:
Microphone Array
Protective case microphone array
Tripod for 2.1 m center mic height
CA24 multi-cable (DB25) 10 m
9 x AEM-01 IEPE microphone
9 x WS01 windscreen
Storage box for 9 x AEM-01 + WS01

 

Optional:
Extension multi-cable
10 m
25 m

Spare AEM-01 microphone
Spare windshield

MA24

 

 

 

 

 

CA24
CA24-25m

AEM-01
WS01

MA25 Microphone array
TH24 Tilt head

 

Standard:
Microphone array
Extender tubes for MA24 and MA25 arrays
Protective case for array and extender tubes
Tilt head

 

 

 

MA25

ET24

TH24

 
CI24 Control interface

 

Standard:
Control Interface
Behringer XR18 interface
PI18 P48/IEPE converter
PA24 power amplifier
Interconnection cables
Flight case
USB cable
Mains power cable

Optional:
Power bank, 230 VAC
Inverter, powered from car battery

 

CI24

 

 

 

 

 
Zircon software

 

ZIRCON Software

 

 

 

ZIRCON 1.0

 

 

Each product or component can be ordered separately. For pricing and other ordering information, please contact us.