Calibrateurs acoustiques
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TYPE 4226
Multifunction acoustic calibrator
Multifunction Acoustic Calibrator enables simulated free-field calibration of microphones, sound level meters and other acoustical instruments in compliance with standards EN/IEC 60942 / ANSI S1.40.
- Standards : IEC 942 (1988) Class 1
- Calibration pressure : 94, 104 and 114
- Calibration frequencies : 31.5 Hz to 16 kHz in octave steps
- Calibration accuracy : ± 0.2 at 94 dB
- Transducer : 1/2-inch
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TYPE 4229
Hydrophone Calibrator Type 4229 is a precision, high-quality sound pressure source. It delivers an easy method to calibrate sound measuring systems by employing a B&K Hydrophones in air.
- Standards :
- Calibration pressure : From 151 to 166 dB re 1uPa, depending on hydrophone
- Calibration frequencies : 251.2
- Calibration accuracy : ± 0.7
- Transducer : Fits Types 8100, 8101, 8103, 8104, 8105 and 8106
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TYPE 5008
Polarization Voltage Calibration Unit
Type 5008 is a differential DC buffer intended to act as a buffer for high-impedance microphone polarization voltage, allowing the microphone polarization voltage to be measured using a common DC voltmeter.
- Standards :
- Calibration pressure :
- Calibration frequencies :
- Calibration accuracy :
- Transducer :
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TYPE 3541-A
Our sound intensity calibrator enables calibration of sound intensity measuring instruments by using a coupler designed especially for the purpose.
- Standards :
- Calibration pressure :
- Calibration frequencies :
- Calibration accuracy :
- Transducer :
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TYPE 4231
Source sonore portable et pratique pour l’étalonnage des sonomètres et autres matériels de mesure de bruit. Le Calibrateur Acoustique est robuste et stable et conforme aux normes EN/CEI 60942 Classe LS, classe 1 et ANSI S1.40-1984.
- Standards : IEC/EN 60942 (2017) Class 1
- Calibration pressure : 94 et 114 dB
- Calibration frequencies : 1000 Hz
- Calibration accuracy : ±0.2 dB
- Transducer : 1 pouce, 1/2 pouce et 1/4 pouce
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TYPE 4228
Pistonphone Type 4228 is designed to be used for sound level meter and microphone calibration, and is ideal for in-field calibration over a wide range of temperature, humidity and pressure while still maintaining high accuracy.
- Standards : IEC 942 (1998) Class 1
- Calibration pressure : 124
- Calibration frequencies : 251.2
- Calibration accuracy : ± 0.2
- Transducer : 1-inch, 1/2-inch,1/4-inch and 1/8-inch
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TYPE 4297
Sound intensity calibrator is deisgned for on-site sound-pressure calibration and pressure-residual intensity-index verification
- Standards : Type 1 IEC 60942 / IEC 60943
- Calibration pressure : 101.3 kPa
- Calibration frequencies : 251.2 Hz
- Calibration accuracy : 0.1%
- Transducer :
