Precision sound level meter

Made:
1960-1979 in Copenhagen and Denmark
manufacturer:
Brüel & Kjær (Sound and Vibration Measurement) A/S

Precision sound level meter type 2203 serial no.105252, fitted with one-inch condenser microphone type 4145 serial no.436055, made in Denmark by Bruel & Kjaer, Copenhagen, nominal range 10dB to 130dB on rotary switch and -10db to +10db on meter (glass of meter dial cracked)

Details

Category:
Acoustics
Object Number:
1992-848
type:
sound-level meter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Civil Aviation Authority. Chief Scientis

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