声级计/仪产品及厂家
ysd130矿用本安型声级计特点是一款防爆型2级声级计。该仪器防爆类型分本安型（防爆标准：exib iib t4 gb,防爆合格证号：gby15.1125）和矿用本安型（防爆标准：exib i mb，
更新时间:2025-09-02
awa5661型声级计采用了数字检波技术，使得仪器的稳定性、性大大提高。而且动态范围大、操作简单、用途广。执行gb/t 3785.1-2010和iec 61672-1:2013标准对1级声级计的要求,
更新时间:2025-09-02
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