Sound Calibrators0 pages

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3M Occupational Health & Environmental Safety Division

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3M ' Acoustical AC-300 Calibrator

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HIIIHKUÍÍHU

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Accurate Measurements

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Quick Field Calibration of Sound Level Meiers

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and Noise Dosimeters

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Tue 3M AcoustiCal AC-300 is a precision calibrator designed to Help you accurately

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field calibrate your sound level meters and noise dosimeters. Designed for ANSI and

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IEC Class/Type 1 meters, the AC-300 makes it easy to calibrate your instrument

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before and after each series of measurements. It produces two signals, 250 Hz or

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1,000 Hz at a sound pressure level of 114 dB, allowing for selection of the mode

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that best fits your application, A quick and easy process, users simply Insert the

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microphone of the instrument into the AC-300 calibrator, select the signal from

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its simple one-button keypad, and calibrate.

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Conforms to ANSI and IEC Class 1 Calibrator Standards

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Its compact, rugged design Is engineered for the rigors of field use and conforms

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to the requirements of the IEC 60942 (2003) for sound calibrators and

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ANSI SI .40-1983 (R2011): specifications and verification procedures for

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sound level meters.

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The AcoustiCal AC-300 features a simple, one-button control that runs on a

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replaceable 9v battery. It makes It easy to accurately calibrate your Instrument

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acrossa wide range of temperature, humidity and pressure conditions.

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3M

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