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QDC Road and Rail
Floor impact and Transmission loss
February 6, 2020
OS003 Omni Sound Source
OS003 is the latest development of omnidirectional sound source of BSWA.
The sound source has 12 rubidium magnet loudspeakers assemble on a 280mm diameter sphere evenly.
Application: Building acoustic measurement according to ISO 140, ISO 3382 and GB/T 19889
TM003 Tapping Machine is a rugged, self-contained sound source for making footfall noise measurements to the latest international standards (ISO140, EN 20140, ASTM E492, GB J75-84, etc.).
Mid-frequency Volume Source
200Hz~10000Hz frequency response range
95W continuous output power (Pink noise)
Sound power level 97dB (1 meter away from the nozzle, pink noise)
Built-in reference microphone feedback the volume acceleration output
Low Frequency Volume Source
Frequency response: 50Hz~800Hz
200W continuous sound power output
Up to 98dB sound pressure level (1 meter away)
Internal reference microphone (can be calibrate)
Light weight, made of aluminum alloy and ABS SPEAKON audio connector
Outdoor Noise Monitoring