KB-501X-NH3,KB-501X-O2,KB-501X-O3,KB-501X-CL2,声光报警
KB-501X-CH20(甲醛，乙酸)


0-10PPM


见注1







KB-501X-H2S (硫化氢)


0-100PPM


10 PPM


20 PPM




KB-501X-HCL (氯化氢)

05/20 00:08