TUBE | Square Impedance Tubes

Mecanum’s square impedance and transmission tubes are specially designed to measure key acoustic indicators of a wide range of materials using 2 or 4 microphone methods. Those instruments are ideal for measuring metamaterials such as sonic crystals and many more.

Available in 38.1 mm and 100 mm diameter.

Main Advantages

Why Choose Mecanum’s Square Impedance and Transmission Tube?

Efficient

Method according to ASTM E1050, ASTM E2611 and ISO 10534-2 standards

Wide Range

Enjoy the 45 – 4300 Hz frequency range for all the measurement you want!

Easy

Digital piston allowing precise and accurate settings and measurement

Convenient

Available in two different diameters to offer the best fit for all of your materials

What’s Included With Your Square Impedance and Transmission Tube

Discover What You Will Find In The Box!

Impedance and transmission tube with digital piston for thickness reading
Anechoic termination
Microphones
4-inputs/1-output acquisition system with integrated audio amplifier
Verification sample
TUBE-X measurement software
Carrying box

Applications

One Instrument, Multiple Uses

Measure

Absorption or transmission measurement, you can do both!

Compare

Find the best material by comparing the properties you measured!

Control

Ensure your quality is maintained to meet the standards important for you

Research

Generate new knowledge or new technologies through an efficient R&D

Measured Properties

Discover What Your Square Impedance and Transmission Tube Can Do for You!

Absorption coefficient at normal incidence (α)

Complex reflection coefficient at normal incidence (R)

Normalized surface impedance (Zs/Zair)

Normal incidence transmission loss (NSTL)

Normalized characteristic impedance (Z/Zair)

Wave number (k)

Equivalent dynamic bulk density (peq)

Equivalent dynamic bulk modulus (Keq)

Transfer matrix coefficients (Tij)

ASTM E1050 Standard

ISO 10534-2 Standard

ASTM E2611 Standard

Absorption coefficient at normal incidence (α)

Complex reflection coefficient at normal incidence (R)

Normalized surface impedance (Zs/Zair)

ISO 10534-2 Standard

ASTM E2611 Standard

Accessories for Your Square Impedance and Transmission Tube

We Have The Perfect Accessory To Suit Every Need!

FOAM-X

Extract multiple acoustic parameters thanks to FOAM-X software

NOVA

Simulate multilayer acoustic materials thanks to NOVA software

Interested? Ask for Your Free Quote!

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