GSD130 type mine noise sensor

GSD130型矿用噪声传感器（以下简称传感器）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传感器。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，性能符合传感器新标准2 级要求。

    GSD130 type mine noise sensor (hereinafter referred to as the sensor) is the noise sensor 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 sensor 2 level requirements.