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【C03】Cylinder Gas Concentration Measurement System

Calibrated Device

(1) Verification of CO, CO2, CH4, C3H8, O2, NO, SO2 Cylinder Gas Concentration

(2) Verification of C2H5OH Cylinder Gas Concentration

Range

(1)
CO in N2: 10 μmol/mol to 200000 μmol/mol
CO2 in N2: 100 μmol/mol to 300000 μmol/mol
CH4 in N2, CH4 in Air: 100 μmol/mol to 100000 μmol/mol
C3H8 in N2: 100 μmol/mol to 50000 μmol/mol
O2 in N2: 1000 μmol/mol to 250000 μmol/mol
NO in N2: 50 μmol/mol to 2000 μmol/mol
SO2 in N2: 50 μmol/mol to 2000 μmol/mol
(2)
C2H5OH in N2, C2H5OH in Air: 130 μmol/mol to 550 μmol/mol

Uncertainty 

(1)
CO in N2: 0.3 % to 0.5 % (Relative)
CO2 in N2: 0.3 % to 0.4 % (Relative)
CH4 in N2, CH4 in Air: 0.5 % to 0.6 % (Relative)
C3H8 in N2: 0.5 % to 1.0 % (Relative)
O2 in N2: 0.6 % (Relative)
NO in N2: 0.8 % (Relative)
SO2 in N2: 0.6 % (Relative)
(2)
C2H5OH in N2, C2H5OH in Air: 0.8 % to 1.2 % (Relative)