便攜式氣體檢測儀 常用專用術(shù)語
MSHA: Mine Safety and Health Administration 礦業(yè)**健康部
UL : Underwriter’s Laboratory 電氣試驗(yàn)室
CSA: Canadian Standards Association 加拿大標(biāo)準(zhǔn)認(rèn)證機(jī)構(gòu)
CENELEC: European Approval now ATEX 歐洲認(rèn)證機(jī)構(gòu)
ATEX: 歐洲北美聯(lián)合認(rèn)證機(jī)構(gòu)
9001:2000 + UL+CSA+Cenelec
PPM: (Parts Per Million) 百萬分之一
PEL: ( Permissible Exposure Limit) 允許的暴露極限
TWA: (Time Weighted Average) 時(shí)間平均濃度值
STEL: (Short Term Exposure Limit) 短期暴露極限
IDLH: (Immediately Dangerous to Life and Health)
LEL: (Lower Explosive Limit) 爆炸下限
UEL: (Upper Explosive Limit) 爆炸上限