在一些对测量结果要求较高的情况下,为避免测量仪器和人员对声场的干扰。或在不可能接近测点的情况下,可以使用延伸线缆将传声器延伸到测点位置。
延伸线缆的接头有BNC,TNC,SMB等。长度有5米、10米、20米,或根据客户需求定制,但不宜过长(<50米)。
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