Precision integrating sound level meter

Made:
1975-1979 in Copenhagen
manufacturer:
Brüel & Kjær (Sound and Vibration Measurement) A/S

Precision integrating sound level meter type 2218 with microphone and preamplifier type UA 0196, pistonphone sound source type 4220, all by Bruel and Kjaer, Denmark, and with extension cable, all in fitted carrying case

Details

Category:
Acoustics
Object Number:
1994-1252
type:
sound-level meter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Civil Aviation Authority. Chief Scientis

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