The concentration setting range of the People's Republic of China standard GB15322 "Combustible Gas Detector":
Combustible gas: tsawg txwv 1 feem pua LEL25 feem pua LEL siab txwv 50 feem pua
Artificial gas: (hydrogen) Tsawg txwv 125PPM-750PPM Siab txwv 1250PPM
Artificial gas: (carbon monoxide) Tsawg txwv 50PPM-300PPM Siab txwv 500PPM
Pls Clink Hauv qab Diam duab thiab Nyeem cov ntsiab lus ntxiv txog qhov ntsuas roj hluav taws xob no?
Cov khoom txuas:
