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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 81-0075RK Replacement Calibration Gas - 10% by volume Oxygen (17 Liter)

    RKI Instruments 81-0075RK Replacement Calibration Gas - 10% by volume Oxygen (17 Liter)

    $50.00
    10% by volume Oxygen Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0075RK Equivalent).
  2. RKI Instruments 81-0066RK-03 Replacement Calibration Gas - 200 PPM Carbon Monoxide (103 Liter)

    RKI Instruments 81-0066RK-03 Replacement Calibration Gas - 200 PPM Carbon Monoxide (103 Liter)

    $145.00
    200 PPM Carbon Monoxide Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0066RK-03 Equivalent).
  3. RKI Instruments 81-0000RK-73 Replacement Calibration Gas - 500 PPM Hydrogen (34 Liter)

    RKI Instruments 81-0000RK-73 Replacement Calibration Gas - 500 PPM Hydrogen (34 Liter)

    $62.00
    500 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-73 Equivalent).
  4. RKI Instruments 81-0010RK Replacement Calibration Gas - 10% LEL Methane (17 Liter)

    RKI Instruments 81-0010RK Replacement Calibration Gas - 10% LEL Methane (17 Liter)

    $50.00
    10% LEL Methane Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0010RK Equivalent).
  5. RKI Instruments 81-0004RK-03 Replacement Calibration Gas - 50% LEL Propane (103 Liter)

    RKI Instruments 81-0004RK-03 Replacement Calibration Gas - 50% LEL Propane (103 Liter)

    $145.00
    50% LEL Propane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0004RK-03 Equivalent).
  6. RKI Instruments 81-0065RK-01 Replacement Calibration Gas - 100 PPM Carbon Monoxide (34 Liter)

    RKI Instruments 81-0065RK-01 Replacement Calibration Gas - 100 PPM Carbon Monoxide (34 Liter)

    $62.00
    100 PPM Carbon Monoxide Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0065RK-01 Equivalent).
  7. RKI Instruments 81-0000RK-61 Replacement Calibration Gas - 5000 PPM Hydrogen (34 Liter)

    RKI Instruments 81-0000RK-61 Replacement Calibration Gas - 5000 PPM Hydrogen (34 Liter)

    $62.00
    5000 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-61 Equivalent).
  8. RKI Instruments 81-0085RK-01 Replacement Calibration Gas - 1000 PPM Methane (34 Liter)

    RKI Instruments 81-0085RK-01 Replacement Calibration Gas - 1000 PPM Methane (34 Liter)

    $62.00
    1000 PPM Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0085RK-01 Equivalent).
  9. RKI Instruments 81-0082RK-03 Replacement Calibration Gas - 2000 PPM R-12 (103 Liter)

    RKI Instruments 81-0082RK-03 Replacement Calibration Gas - 2000 PPM R-12 (103 Liter)

    $191.00
    2000 PPM R-12 Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0082RK-03 Equivalent).
  10. RKI Instruments 81-0068RK-03 Replacement Calibration Gas - 100 PPM Carbon Monoxide (103 Liter)

    RKI Instruments 81-0068RK-03 Replacement Calibration Gas - 100 PPM Carbon Monoxide (103 Liter)

    $145.00
    100 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0068RK-03 Equivalent).
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Cylinder Size
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