TWA报警 STEL报警 低限报警 高限报警 www.safety17.net 13323713827 0371-60972052
LEL 0-{bfb} 不适用 不适用 \10%\ \20%\
H2S 0-100ppm 10ppm 15ppm 10ppm 15ppm
CO 0-999ppm 35ppm 200ppm 35ppm 200ppm
O2 0-30.0% 不适用 不适用 19.5% 23.5%
CL2 0-50.0ppm 0.5ppm 1.0ppm 0.5ppm 1.0ppm
NO2 0-99.9ppm 3.0ppm 5.0ppm 3.0ppm 5.0ppm
NH3 0-100ppm 25ppm 35ppm 25ppm 35ppm
PH3 0-5.0ppm 0.3ppm 1.0ppm 1.0ppm 2.0ppm
HCN 0-30.0ppm 4.7ppm 10.0ppm 4.7ppm 10.0ppm
SO2 0-100ppm 2ppm 5ppm 2ppm 5ppm