[ZJJK37-01-X]固定式和便携式硫化氢监测仪的第一级报警值应设置在( ),达到此浓度时启动报警,提示现场作业人员硫化氢的浓度超过阈限值。
A.15mg/m3(10ppm) B.30mg/m3(20ppm) C.75mg/m3(50ppm) D.150mg/m3(100ppm)正确答案A
[ZJJK37-01-X]固定式和便携式硫化氢监测仪的第一级报警值应设置在( ),达到此浓度时启动报警,提示现场作业人员硫化氢的浓度超过阈限值。
A.15mg/m3(10ppm) B.30mg/m3(20ppm) C.75mg/m3(50ppm) D.150mg/m3(100ppm)正确答案A