Precision integrating sound level meter
- 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
- Object Number:
- sound-level meter
- furnishing and equipment
- measuring device - instrument
- Civil Aviation Authority. Chief Scientis
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