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Reversing alarm transducer

Pbulish:admin  time:2007年12Month07Day
 
 
静态电容:C0=1800±200pf
谐振频率:fs=40.0±0.5kHz
带  宽:Δf=1.0±0.2kHz
谐振阻抗:Z0=1100±200Ω