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Categories: Calibrators, Standards, Sound Calibrators
Manufacturer: Bruel & Kjaer
Model: 4230
Condition: Used
Seller: NSCA Technologies LLC
Bruel + Kjaer 4230 Sound Level Calibrator
The Bruel & Kjaer 4230 Sound Level Calibrator is designed for the calibration of 1” and 1/2” diameter microphones. An adaptor is placed over the opening for use with 1/2” microphones and is removed when 1” microphones are to be calibrated. The calibrator should be stored and operated in its leather case. The sound pressure level produced by the 4230 is 94 dB re 20 µPa. The correction is -0,4 dB for 1” free field microphones and -0,2 dB for 1/2″ free field microphones. This makes the effective calibration levels 93,6 dB and 93,8 dB respectively. No correction is required when calibrating pressure response microphones.
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Used-Line Dealer since : 2000
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Product Specs
(From Used-Line T&M Specifications)
Bruel Kjaer 4230
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