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2 xing xie dai shi jia wan jing bao qi su lian guo jia biao zhun
Pages: 38-41
Year: Issue:  12
Journal: Safety in Coal Mines

Keyword:  警报器苏联国家标准“二”甲烷浓度变化信号器携带式“一”测量误差绝缘电阻工作能力;
Abstract: <正> 一、基本参数1、甲烷浓度量程(%):下刻度0.5~2;上刻度1~42、甲烷浓度测量的绝对基本误差(%):下刻度不大于±0.33、信号器动作的甲烷浓度:2%4、信号器动作的误差:±0.35、响应时间:不大于1分6、加热时间:不大于20分7、安全火花直流电源电压:2~2.6V8、功耗:不大于2.5W
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