Impedance Tube Norsonic Nor1527
Hotline: +84 906 988 447
Head Office: Ho Chi Minh City
- Tel: +84 2839 778 269 / 3601 6797
- Email: sales@lidinco.com
- Add: 487 Cong Hoa Street, Ward 15, Tan Binh Dist, HCM City, Vietnam
Office: Bac Ninh City
- Tel: +84 222 730 0180
- Email: bn@lidinco.com
- Add: 184 Binh Than Street, Vo Cuong Ward, Bac Ninh City, Vietnam
-
Technical Counseling 100% Free
-
Free Shipping For 3.000.000vnd Order
Analyzer:
102.4 kS/s, 100 dB, 0.8 Hz AC/DC Coupled, 4-Input/1-Output
Microphones:
GRAS Measurement Microphones
Freq range: 10 Hz to 20 kHz
Dyn range: 33 dB(A) to 142 dB
Sensitivity: 9 mV/Pa
Tubes:
F-ABS ⌀ 100 mm, 945 mm (L)
LF-STL ⌀ 100 mm, 1130 mm (L)
HF-ABS ⌀ 30mm, 875 mm (L)
HF-STL ⌀ 30 mm, 925 mm (L)
Power Amplifier:
Built-in, 20W, high quality amplifier, to power the loudspeaker in the impedance tube
Speaker: Full Range – 4 ohm
Cablibrator (Optional): Nor1256 Sound Calibrator
Cables: Ultra low noise, BNC to 10-32 cables
Material Sound Transmission Loss and Acoustic Impedance Tube Systems
Nor1527 acoustic performance measurement system is an acoustic impedance, sound transmission loss and sound absorption coefficient measurement system operating in accordance with ASTM E-2611, ASTM E-1050, ISO 10534-2 standards. Measurements can be made at a frequency of 50Hz – 6400 Hz, under room conditions, temperature and pressure. There are 2 different diameter tubes (100 mm, 30 mm diameter) for low and high frequency measurements.
Applications 1527
- ASTM E2611 (4 Pole Transfer Matrix Method) measurement method
- ASTM E1050 and ISO 10534-2 (Transfer Function Method) measurement method
Software
- Determination of sound barrier properties (sound transmission loss, characteristic impedance, characteristic wave number)
- Determination of sound absorbing properties (sound absorption coefficient, complex reflection coefficient, surface impedance)
- Determination of dynamic density and dynamic bulk modulus
- Determination of transfer matrix elements
- Random incidence absorption estimation models
- Tube attenuation removal algorithm for deficient absorptive materials
- Conical adapter correction for transmission loss measurements
- Determination of intrinsic properties with Johnson-Champoux-Allard-Lafarge (JCAL) material model.
(Porosity, Flow Resistivity, Tortuosity, Viscous Characteristic Length, Thermal Characteristic Length, Static Thermal Permeability) - Amplitude and phase calibration of the microphones
- Selectable frequency resolution and number of averages
- ASCII, MS Excel™ export
- Direct export to MSC Actran for poro-elastic materials definition
Accessories
Please login to write review!