측정범위: (가연성가스(LEL)) 100%, (산소(O2)) 30%, (일산화탄소(CO)) 500ppm, (유화(황화)수소(H2S)) 100ppm크기: 60 x 40 x 118mm무게: 240g
측정범위: (CO2)400~5,000ppm, (HCHO)0~0.6mg/㎥, (TVOC)0~2.6mg/㎥, (온도)0~+50℃, (습도)0~99%크기: 91 x 70 x 35mm무게: 130g
측정범위: (산소)0~30% (일산화탄소)0~1,000ppm (황화수소)0~500ppm (메탄)0~100%LEL정확도: (산소)±0.7% (일산화탄소, 황화수소, 메탄)±5%전원: 3.7V 충전식배터리x3무게: 300g