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Shop by Brand - Multi-Gas Mix - 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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Items 71 to 80 of 151 total

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  1. RKI Instruments 81-0068RK-01 Replacement Calibration Gas - 100 PPM Carbon Monoxide (34 Liter)

    RKI Instruments 81-0068RK-01 Replacement Calibration Gas - 100 PPM Carbon Monoxide (34 Liter)

    $62.00
    100 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0068RK-01 Equivalent).
  2. RKI Instruments 81-0150RK-02 Replacement Calibration Gas - 10 PPM Hydrogen Sulfide (58 Liter)

    RKI Instruments 81-0150RK-02 Replacement Calibration Gas - 10 PPM Hydrogen Sulfide (58 Liter)

    $150.00
    10 PPM Hydrogen Sulfide Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0150RK-02 Equivalent).
  3. RKI Instruments Replacement Calibration Gas - 100% Methane (58 Liter)

    RKI Instruments 81-0016RK-05 Replacement Calibration Gas - 100% Methane (58 Liter)

    $175.00
    100% Methane Calibration Gas, 58 Liter Aluminum Cylinder (RKI Instruments 81-0016RK-05 Equivalent).
  4. RKI Instruments 81-0076RK-01 Replacement Zero Air - 20.9% Oxygen (34 Liter)

    RKI Instruments 81-0076RK-01 Replacement Zero Air - 20.9% Oxygen (34 Liter)

    $62.00
    20.9% Oxygen (Zero Air) Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0076RK-01 Equivalent).
  5. RKI Instruments 81-0072RK-03 Replacement Calibration Gas - 2.5% by volume Carbon Dioxide (103 Liter)

    RKI Instruments 81-0072RK-03 Replacement Calibration Gas - 2.5% by volume Carbon Dioxide (103 Liter)

    $145.00
    2.5% by volume Carbon Dioxide Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0072RK-03 Equivalent).
  6. RKI Instruments 81-0007RK-03 Replacement Calibration Gas - 15% LEL Hexane (103 Liter)

    RKI Instruments 81-0007RK-03 Replacement Calibration Gas - 15% LEL Hexane (103 Liter)

    $145.00
    15% LEL Hexane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0007RK-03 Equivalent).
  7. RKI Instruments 81-0021RK-01 Replacement Calibration Gas - 20% LEL Isobutane (34 Liter)

    RKI Instruments 81-0021RK-01 Replacement Calibration Gas - 20% LEL Isobutane (34 Liter)

    $62.00
    20% LEL Isobutane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0021RK-01 Equivalent).
  8. RKI Instruments 81-0078RK Replacement Calibration Gas - 100% Nitrogen (17 Liter)

    RKI Instruments 81-0078RK Replacement Calibration Gas - 100% Nitrogen (17 Liter)

    $50.00
    100% Nitrogen Calibration Gas, 17 Liter Steel Cylinder (RKI Instruments 81-0078RK Equivalent).
  9. RKI Instruments 81-0091RK Replacement - 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (17L)

    RKI Instruments 81-0091RK Replacement - 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (17L)

    $50.00
    100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0091RK Equivalent).
  10. RKI Instruments 81-0071RK Replacement Calibration Gas - 5000 PPM Carbon Dioxide (17 Liter)

    RKI Instruments 81-0071RK Replacement Calibration Gas - 5000 PPM Carbon Dioxide (17 Liter)

    $50.00
    5000 PPM Carbon Dioxide Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0071RK Equivalent).
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Brand Replacement
  1. Biosystems
  2. BW Technologies
  3. Drager
  4. Gas Clip Technologies
  5. GfG
  6. Industrial Scientific
  7. Lumidor
  8. MSA
  9. RAE Systems
  10. RKI Instruments
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  2. Multi-Gas Mix
Select Single Gas
  1. Air Zero
  2. Ammonia
  3. Carbon Dioxide
  4. Carbon Monoxide
  5. Chlorine
  6. Hexane
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Select Multiple Gases
  1. Carbon Monoxide
  2. Hexane
  3. Hydrogen Sulfide
  4. Isobutane
  5. Methane
  6. Oxygen
  7. Pentane
  8. Sulfur Dioxide
Cylinder Size
  1. 17 Liter Steel (35)
  2. 29 Liter Aluminum (13)
  3. 34 Liter Steel (44)
  4. 58 Liter Aluminum (23)
  5. 103 Liter Steel (36)
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