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Sound level calibrator 140 dB, min. 0.01 Hz | 42AE
for sound level meters

Sound level calibrator - 140 dB, min. 0.01 Hz | 42AE - G.R.A.S. Sound & Vibration - for sound level meters
Sound level calibrator - 140 dB, min. 0.01 Hz | 42AE - G.R.A.S. Sound & Vibration - for sound level meters
Sound level calibrator - 140 dB, min. 0.01 Hz | 42AE - G.R.A.S. Sound & Vibration - for sound level meters - image - 2
Sound level calibrator - 140 dB, min. 0.01 Hz | 42AE - G.R.A.S. Sound & Vibration - for sound level meters - image - 3
Sound level calibrator - 140 dB, min. 0.01 Hz | 42AE - G.R.A.S. Sound & Vibration - for sound level meters - image - 4
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Characteristics

Physical quantity
sound level
Applications
for sound level meters

Description

The G.R.A.S. 42AE Low-Frequency Calibrator permits microphone calibration at frequencies down to 0.01 Hz for both front and rear-vented microphones. It produces a constant sound pressure level down to very low frequencies. Typical applications and use Low-frequency pressure response measurements Low-frequency phase response measurements Comparative measurements Single and dual-channel measurements

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