Sound level meters

Eitemau Tebyg

• A precision sound level meter
  gan: 8096 British Standards Institution
• Sound calibrators
  gan: 8096 British Standards Institution
• The verification of sound level meters
  gan: 8096 British Standards Institution
• Pemilih masukan boleh diprogram untuk meter aras bunyi /
  gan: 368497 Abdullah Sani Awang
  Cyhoeddwyd: (1991)
• Integrating-averaging sound level meters
  gan: 8096 British Standards Institution
  Cyhoeddwyd: (1986)