Calibration Gases

25ppm H2S, 100ppm CO, 2.5% CH4, 18% O2, N2

25ppm H2S, 50ppm CO, 1.62% CH4, 18% O2, N2

25ppm H2S, 50ppm CO, 1.25% CH4, 18% O2, N2

25ppm H2S, 100ppm CO, 1.1% Propane, 19% O2, N2

25ppm H2S, 100ppm CO, 0.35% Pentane, 19% O2, N2

10ppm H2S, 50ppm CO, 2.5% CH4, 18% O2, N2

20ppm H2S, 60ppm CO, 1.45% CH4, 15% O2, N2

20ppm H2S, 60ppm CO, 1.5% CH4, 15% O2, N2

15ppm H2S, 50ppm CO, 2.5% CH4, 18%O2, N2

RKI Instruments

25ppm H2S, 50ppm CO, 2.5% CH4, 12% O2, N2