Sound Calibrators0 pages
3M Occupational Health & Environmental Safety Division
nnnn3M ' Acoustical AC-300 Calibrator
nnnnHIIIHKUÍÍHU
nnnnAccurate Measurements
nnnnQuick Field Calibration of Sound Level Meiers
nnnnand Noise Dosimeters
nnnnTue 3M AcoustiCal AC-300 is a precision calibrator designed to Help you accurately
nnnnfield calibrate your sound level meters and noise dosimeters. Designed for ANSI and
nnnnIEC Class/Type 1 meters, the AC-300 makes it easy to calibrate your instrument
nnnnbefore and after each series of measurements. It produces two signals, 250 Hz or
nnnn1,000 Hz at a sound pressure level of 114 dB, allowing for selection of the mode
nnnnthat best fits your application, A quick and easy process, users simply Insert the
nnnnmicrophone of the instrument into the AC-300 calibrator, select the signal from
nnnnits simple one-button keypad, and calibrate.
nnnnConforms to ANSI and IEC Class 1 Calibrator Standards
nnnnIts compact, rugged design Is engineered for the rigors of field use and conforms
nnnnto the requirements of the IEC 60942 (2003) for sound calibrators and
nnnnANSI SI .40-1983 (R2011): specifications and verification procedures for
nnnnsound level meters.
nnnnThe AcoustiCal AC-300 features a simple, one-button control that runs on a
nnnnreplaceable 9v battery. It makes It easy to accurately calibrate your Instrument
nnnnacrossa wide range of temperature, humidity and pressure conditions.
nnnn1
nnnn3M
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