$10
Gas detectors for explosive atmospheres—Part 4:Performance requirements of open path detectors for flammable gases
MOD IEC 60079-29-4:2009
全国防爆电气设备标准化技术委员会(SAC/TC 9)
GB/T 20936的本部分规定了开放路径可燃气体探测器的性能要求。该类探测器通过测量环境中的可燃性气体或蒸气在一米到几千米范围内光路上的光谱吸收实现探测功能。
探测器测量光路吸收气体的含量,用积分浓度表示,单位是浓度乘路径距离。例如,探测可燃性气体结果用LEL.m表示。
This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address