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Shop by Brand - Single Gas Mix - RKI Instruments Replacement Calibration Gas

We've made it easy for you to find your equivalent calibration gas. Just enter your part number in the search box (top right of every page). Or use the filters in the left column to narrow in on your calibration gas. Save up to 50% of the cost of brand name gases. We supply identical mixtures with ISO and NIST certification.

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  1. RKI Instruments 81-0012RK-21 Replacement Calibration Gas - 25% LEL Methane (34 Liter)

    RKI Instruments 81-0012RK-21 Replacement Calibration Gas - 25% LEL Methane (34 Liter)

    $62.00
    25% LEL Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0012RK-21 Equivalent).
  2. RKI Instruments 81-0072RK-01 Replacement Calibration Gas - 2.5% by volume Carbon Dioxide (34 Liter)

    RKI Instruments 81-0072RK-01 Replacement Calibration Gas - 2.5% by volume Carbon Dioxide (34 Liter)

    $62.00
    2.5% by volume Carbon Dioxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0072RK-01 Equivalent).
  3. RKI Instruments 81-0013RK-01 Replacement Calibration Gas - 50% LEL Methane (34 Liter)

    RKI Instruments 81-0013RK-01 Replacement Calibration Gas - 50% LEL Methane (34 Liter)

    $62.00
    50% LEL Methane Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0013RK-01 Equivalent).
  4. RKI Instruments 81-0064RK-01 Replacement Calibration Gas - 50 PPM Carbon Monoxide (34 Liter)

    RKI Instruments 81-0064RK-01 Replacement Calibration Gas - 50 PPM Carbon Monoxide (34 Liter)

    $62.00
    50 PPM Carbon Monoxide Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0064RK-01 Equivalent).
  5. RKI Instruments 81-0004RK-01 Replacement Calibration Gas - 50% LEL Propane (34 Liter)

    RKI Instruments 81-0004RK-01 Replacement Calibration Gas - 50% LEL Propane (34 Liter)

    $62.00
    50% LEL Propane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0004RK-01 Equivalent).
  6. RKI Instruments 81-0069RK-01 Replacement Calibration Gas - 200 PPM Carbon Monoxide (34 Liter)

    RKI Instruments 81-0069RK-01 Replacement Calibration Gas - 200 PPM Carbon Monoxide (34 Liter)

    $62.00
    200 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0069RK-01 Equivalent).
  7. RKI Instruments 81-0001RK-31 Replacement Calibration Gas - 33% LEL Hydrogen (34 Liter)

    RKI Instruments 81-0001RK-31 Replacement Calibration Gas - 33% LEL Hydrogen (34 Liter)

    $62.00
    33% LEL Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0001RK-31 Equivalent).
  8. RKI Instruments 81-0000RK-31 Replacement Calibration Gas - 4000 PPM Hydrogen (34 Liter)

    RKI Instruments 81-0000RK-31 Replacement Calibration Gas - 4000 PPM Hydrogen (34 Liter)

    $62.00
    4000 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-31 Equivalent).
  9. RKI Instruments 81-0094RK-01 Replacement Calibration Gas - 50% LEL Isobutane (0.9% vol.) / 12% Oxygen (34 Liter)

    RKI Instruments 81-0094RK-01 Replacement Calibration Gas - 50% LEL Isobutane (0.9% vol.) / 12% Oxygen (34 Liter)

    $62.00
    50% LEL Isobutane (0.9% vol.) / 12% Oxygen Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0094RK-01 Equivalent).
  10. RKI Instruments 81-0012RK-01 Replacement Calibration Gas - 50% LEL Methane (34 Liter)

    RKI Instruments 81-0012RK-01 Replacement Calibration Gas - 50% LEL Methane (34 Liter)

    $62.00
    50% LEL Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0012RK-01 Equivalent).
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