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Infrasound Microphone CASI-30S
Infrasound Microphone

Infrasound Microphone CASI-30S

Model:
Product Detail

SPECIFICATIONS:

Type

CASI-30S

Higher sound pressure sensitivity (1Hz)
7.5±0.2mv/Pa, 3.5mPa-350Pa
Lower sound pressure sensitivity (1Hz)
75±10mv/Pa(×10), 0.35mPa-35Pa
Higher sound pressure range (1Hz)145dB(350Pa,THD1%)
Lower sound pressure range(1Hz):125dB(35Pa,THD 0.5%)
Dynamic range(1Hz)108dB
-3dB bandwidth:0.033Hz-200Hz
Total harmonic distortion (THD):

≤1%@1Hz

Dual output voltage:difference,1 & 70 times
Output voltage range:±10V difference
Zero offset:0.1%hPa FS
Zero regression:auto
Output impedance: 2×150Ω,suggest load>10kΩ,capacitance <100nF,inductive <10mH
Long time stability:<0.2dB,over 0.5h,>1000h/dB(150℃ dry air)
Temperature ratio:0.1%/k
Wet ratio:<0.1dB,100%RH
Seismic sensitivity:

≤0.1V/(m/s2)@1Hz,35dB SPL ref. 1 m/s2

Magnetic sensitivity:≤10dB SPL,50Hz,80A/m;
Self noise (1Hz):≤0.1mPa(0.1Hz-50Hz,14dB SPL,-80dB Pa2/Hz ref 1Pa)
Signal to noise ratio(1Hz):118dB(10倍档)
Operation temperature:-40℃~+75℃
Storage temperature:-55℃~+85℃
Working wet:99% non condensation
Power supply voltage:±12V
Reverse power supply Protection:40V
Operating current:≤82mA@12V
Consumption:≤1W
Body size:height 66mm×length 80mm×width 43mm
Weight:448g




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