Active sound/vibration control systems for aircraft
Analysers, zeta potential
Attenuators, pad type
Comparators, interference
Cut-off counters, electro-acoustics
Decibel meters
Delay lines for acoustic surface waves
Derived circuit multipliers
Distortion factor meters
Filters, acoustic surface wave
Filters, quartz crystal and piezoelectric ceramic
Flickermeters
Function generators for electro-acoustics
Generators, noise
Harmonic generators and analysers, electronic
Impedance transformers
Impulse compression systems
Intermodulation meters
Mains filters for electronic equipment
Nepermeters
Noise dosemeters
Phase comparators, electronic, oscilloscopic
Psophometers
Radar and television signal generators
Reverberation time meters
Signal generators
Sound analysers
Sound level measuring equipment (phonometers)
Sound pressure measuring equipment
Suppressor filters, electric interference
Surface acoustic wave pulse compression units
Testing and measuring equipment for radio, high fidelity (hi-fi) and
television systems
Time marker generators, electronic
Time-code generators and readers
Tuning forks, electrical
Ultraviolet (UV) meters
Vibration generators, electrical
Vibration meters and analysers, electronic
Vibration pick-ups
Vibrometers and vibrographs
White noise generating and test equipment
Wobbulators |
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