Código Interno: PRO12345 Actualizado: 2024-02-15 Model : GP-116L-406-15-CO2Calibration Gases for analyzerBrand: Marca: INTRIAL(made in USA)Gas Mix combination: 50 PPM Carbon Monoxide(CO), 2 %Carbon Dioxide(CO2), 15 PPM HydrogenSulfide(H2S), 2.5 % Methane (CH4)(50 % LEL) , 18 % Oxygen(O2), Balance Nitrogen(N2)