% [ºí·çÅØ ¼ÒÀ½°è BO-814 (30~130db) ÃøÁ¤±â ] [BO814] ºí·çÅØ BLUETEC 34,000¿ø % [Ç÷çÅ© ¼ÒÀ½°è FLUKE-945] [FLUKE945] Ç÷çÅ© FLUKE 490,000¿ø