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재료시험 (흡음/차음/열) > 음 재료 시험장비

임피던스튜브 - 흡음 / 차음 / 정재파 측정 / 투과소음 측정

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■ 용도

● ISO / ASTM 표준 측정시스템

(흡음 : ISO 10534-2, ASTM E1050-12,GB/T 18696.2, GB/J 88 / 차음 : ASTM E2611-17)

● 구성에 의한 50 ~6400 Hz 측정 주파수 범위

● 2 마이크로폰 측정에 의한 측정

● 4 마이크로폰 측정에 의한 투과손실 측정

● 스피커 구동용 노이즈발생시스템 내장

● 파워앰프 일체형 DAQ 시스템

● 측정항목에 따른 2~4채널 DAQ 구성

● 1/4인치 어레이 마이크로폰 사용

● USB 인터페이스 PC 연결

■ MATERIAL TESTING SYSTEM

● 흡음

● 차음

■ SOFTWARE INTERFACES

■ 사양

SW4201/SW4601/SW4221/SW4661
Type	SW4201	SW4601	SW4221	SW4661
Standard	ISO 10534-2, ASTM E1050-12 GB/T 18696.2, GB/J 88		ASTM E2611-17
Frequency Range	50Hz~1.6kHz	500Hz~6.4kHz	50Hz~1.6kHz	500Hz~6.4kHz
Diameter	100mm	29 mm	100 mm	29 mm
Length of Tube1	893 mm	603 mm	1261 mm	781 mm
Zero Absorption	50 Hz~4 kHz: <5 %, 5 kHz~6.4 kHz: <10 % (calculated in 1/3-octave band)
Operating Environment	Temperature: -10 °C~50 °C, Humidity: 5 %RH~95 %RH (non-condensing)
Note 1 : The length is the minimum combination state.

Loudspeaker
Rated Impedance	4Ω
Diameter	3.5-inch
Sensitivity	89.8 dB (2.83 V@1 m)
Rated Power	10 W (continuous)
Peak Power	30 W (short duration: duty cycle 1/3, on time 50 s)
Audio Interface	Banana socket

Measurement Microphone
Type	MPA416 Prepolarization Microphone
Diameter	1/4”
Sensitivity (±2 dB)	50 mV/Pa (-26 dB re 1 V/Pa)
Output Impedance	< 110 Ω
Dynamic Range	29 dBA ~ 127 dB
Self-generated Noise	29 dBA
Power Supply	ICCP

■ 구성

Loudspeaker
Rated Impedance	4Ω
Diameter	3.5-inch
Sensitivity	89.8 dB (2.83 V@1 m)
Rated Power	10 W (continuous)
Peak Power	30 W (short duration: duty cycle 1/3, on time 50 s)
Audio Interface	Banana socket

Loudspeaker
Rated Impedance	4Ω
Diameter	3.5-inch
Sensitivity	89.8 dB (2.83 V@1 m)
Rated Power	10 W (continuous)
Peak Power	30 W (short duration: duty cycle 1/3, on time 50 s)
Audio Interface	Banana socket

Loudspeaker
Rated Impedance	4Ω
Diameter	3.5-inch
Sensitivity	89.8 dB (2.83 V@1 m)
Rated Power	10 W (continuous)
Peak Power	30 W (short duration: duty cycle 1/3, on time 50 s)
Audio Interface	Banana socket