재료시험 (흡음/차음/열)
제품상세정보
■ 용도
● 각종 재료의 흡음 특성 분석
● 각종 재료의 차음 특성 분석
● 각종 재료의 반사계수 측정
● 재료 뒤의 공기층 조절가능
(건축음향 재료의 특성 특정에 적합)
● 소음저감을 위한 흡음재, 차음재의 특성파악℃
● 부직포, 건축자재, 흡음재, 차음재등의 연구개발
● 건축내장재, 외장재, 바닥재등의 흡·차음 성능파악
■ 특징
● 잔향실법에 비해 저렴한 가격과 신속한 재료의 특성 파악 (관내법)
● ISO 10534-1.2, ASTM E-1050 JISA 1405
● Real time FFT
● Signal generation (white or pink noise)
● Auto-, Cross- Spectrum Measurement
● Calculation of Absorption Loss
● Microphone Calibration
● Database Software
■ 사양
|
SCS 9020B Impedance
Tube | |
|
Hardware | |
|
Frequency
Response: |
Φ100mm Tube : 90~1800 Hz |
|
No-Sample Absorption |
Φ28mm Tube : < 5% Φ100mm Tube : <5% |
|
Source - Sample Distance |
Φ28mm
Tube : 550mm Φ100mm
Tube : 550mm |
|
Microphone - Sample Distance |
Φ28mm
Tube : 60mm Φ100mm
Tube : 100mm |
|
Microphone - Microphone
Distance |
Φ28mm
Tube : 20mm Φ100mm
Tube : 50mm |
|
Sample Length |
Φ28mm Tube : Up to 250mm Φ100mm Tube : Up to 250mm |
|
Microphone Cartridge |
Type
: 1/4〞 Free-field Sensitivity
: 4~10 mV/Pa Freq.
Range (±1dB) : 10Hz ~ 40kHz Polarisation
voltage : 0V Capacitance
: 7 pF Calibration
Certificate : included |
|
Microphone Preamplifier |
IEPE –
Size : 1/4〞 Freq.
Range : 2Hz ~ 200 kHz Noise (Lin) : < Ω6 VRMS Body Length : 43mm Cable length : 3m Connector : BNC |
|
Plane Wave Source |
Rated Power : 100W Coil Impedance :4Ω Freq. Range (± 3 dB) : 80Hz ~ 15kHz Resonant Freq. : 70Hz Source Diameter : 130mm |
|
Power Amplifier / Booster |
Rated Power ( 4Ω load) : 100W Coil Impedance : 4Ω Freq. Range (± 3 dB) : 80Hz ~ 15kHz Resonant Freq. : 70Hz Source Diameter : 130mm |
|
Analog I/O Board | |
|
A-to-D Section |
Analog Inputs : 4 s.e. Resolution : 24bit Simultaneous Sampling Rate : 104.8 KS/s Input Ranges (upon models) : ±10mV to ±42.4 V Antialiasing Filters : on board |
|
D-to-A Section |
Analog Ouputs (upon models) : 1 s.e. or
diff Resolution (upon models) : 16-18-24 bit Sampling Rate (upon models) : 51.2 kS/s Output Ranges (upon models) : ±10mV to ±10 V |
|
Software | |
|
Platform |
MS Windows ’98 / XP/ 2000/7/8/10/11 |
|
Graphical User Interface |
Simple 2 level menu |
|
Kundt Device Calibration |
Message driven |
|
Freq. Sub-Ranges |
User selectable |
|
Frequency Sub-Ranges Linking |
Available |
|
Acquisition parameters |
User selectable |
|
Absorption coefficient “α” |
Automatically computed |
|
Impedance coefficient |
Automatically computed |
|
Graphical Data Rendering |
FFT or 1/3 octave |
|
FFT resolution |
up to 32k lines |
|
Y-axis Scaling |
Lin or dB |
|
Multiple Data Superimposing |
Available |
|
Database Type |
Native, user selectable |
|
Data Export Format |
Graphs, ASCII or Excel |
|
Report Printout |
Standard available, Customizable |
|
General | |
|
Φ28mm Device Weight |
approx. 6kg |
|
Φ100mm Device Weight |
approx. 17kg |
|
Height(both devices) |
260mm |
|
Depth (both devices |
250mm |
|
Φ28mm Device Length (No Sample) |
700mm |
|
Φ100mm Device Length (No Sample) |
1165mm |
|
|
|
