YSD130 mine noise tester

YSD130矿用噪声检测仪（以下简称检测仪）是根据国家声级计最新标准要求设计而成的具有井下防爆功能的噪声检测仪。内部设有A 频率计权网络、时间计权(F)、全自动量程、数据输出等功能。具有动态范围大、操作简单、使用方便等特点，性能符合检测仪新标准2 级要求。

    YSD130 mine noise detector (hereinafter referred to as the detector) is the noise detector according to national level meter new standard requirements designed with explosion-proof function. Inside the A frequency weighting network, time weight (F), automatic measuring, data output function. With a large dynamic range, simple operation, easy to use and other characteristics, performance in line with the new standard tester 2 level requirements.