Calibrador pressão sonora classe 1 e LS,

B&K Class 1 Sound Level Calibrator is designed for accurate in-field acoustic calibration of sound level meters, microphones and other sound measurement equipment.

Standards : IEC/EN 60942 (2017) Class 1
Calibration pressure : 94 and 114 dB
Calibration frequencies : 1000 Hz
Calibration accuracy : ±0.2 dB
Transducer : 1-inch, 1/2-inch and 1/4-inch

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Type 4231 is a a handy, portable sound source for acoustic calibration of sound level meters and other sound measurement equipment. The sound calibrator is very stable and conforms to IEC/EN 60942 (2017) Class 1, and ANSI S1.40–2006.

Twin sound pressure levels guarantee definitive checks even in noisy environments and ensure linearity in your microphones. For maximum confidence in your measurement results,you can quickly compensate for local measurement conditions by calibrating before every measurement.

Robust, pocket-sized design with highly stable level and frequency
Calibration accuracy ±0.2 dB
94 dB SPL or 114 dB SPL for calibration in noisy environments
Extremely small influence of static pressure and temperature
Sound pressure independent of microphone equivalent volume
1 kHz calibration frequency for correct calibration level independent of weighting network
Fits HBK 1″ microphones (1/2″, 1/4″ and 1/8″ microphones with a microphone adaptor)
Switches off automatically when removed from the microphone

Sound Calibrator Type 4231	Data Sheets	English
Dati tecnici - Calibratore sonoro Tipo 4231	Data Sheets	Italian
Fiche technique - Calibreur acoustique Type 4231	Data Sheets	French
Sound Calibrator Type 4231	Data Sheets	Chinese
Daten und Fakten - Schallkalibrator Typ 4231	Data Sheets	German
Multi-language User Manual for Sound Calibrator Type 4231	Manual	English, French, German

Product Code	Description
UC-0210---	Adaptor for Calibrator 4231 to 1/2" Mic
QB-0013---	Battery, Alkaline, 1,5V, size AA (LR6)

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Calibrador pressão sonora classe 1 e LS,

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