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Shop by Brand - Single Gas Mix - Multi-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 91 to 100 of 151 total

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  1. RKI Instruments 81-0185RK-02 Replacement Calibration Gas - 0.5 PPM Phosphine (58 Liter)

    RKI Instruments 81-0185RK-02 Replacement Calibration Gas - 0.5 PPM Phosphine (58 Liter)

    $351.00
    0.5 PPM Phosphine Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0185RK-02 Equivalent).
  2. RKI Instruments 81-0066RK-01 Replacement Calibration Gas - 200 PPM Carbon Monoxide (34 Liter)

    RKI Instruments 81-0066RK-01 Replacement Calibration Gas - 200 PPM Carbon Monoxide (34 Liter)

    $62.00
    200 PPM Carbon Monoxide Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0066RK-01 Equivalent).
  3. RKI Instruments 81-0000RK-41 Replacement Calibration Gas - 3000 PPM Hydrogen (34 Liter)

    RKI Instruments 81-0000RK-41 Replacement Calibration Gas - 3000 PPM Hydrogen (34 Liter)

    $62.00
    3000 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-41 Equivalent).
  4. RKI Instruments 81-0010RK-01 Replacement Calibration Gas - 10% LEL Methane (34 Liter)

    RKI Instruments 81-0010RK-01 Replacement Calibration Gas - 10% LEL Methane (34 Liter)

    $62.00
    10% LEL Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0010RK-01 Equivalent).
  5. RKI Instruments 81-0003RK-01 Replacement Calibration Gas - 25% LEL Propane (34 Liter)

    RKI Instruments 81-0003RK-01 Replacement Calibration Gas - 25% LEL Propane (34 Liter)

    $62.00
    25% LEL Propane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0003RK-01 Equivalent).
  6. RKI Instruments 81-0069RK Replacement Calibration Gas - 200 PPM Carbon Monoxide (17 Liter)

    RKI Instruments 81-0069RK Replacement Calibration Gas - 200 PPM Carbon Monoxide (17 Liter)

    $50.00
    200 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0069RK Equivalent).
  7. RKI Instruments 81-0195RK-02 Replacement Calibration Gas - 5 PPM Hydrogen Chloride (58 Liter)

    RKI Instruments 81-0195RK-02 Replacement Calibration Gas - 5 PPM Hydrogen Chloride (58 Liter)

    $335.00
    5 PPM Hydrogen Chloride Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0195RK-02 Equivalent).
  8. RKI Instruments 81-0101RK-03 Replacement Calibration Gas - 50% LEL Methane (2.5% vol.) / 17% Oxygen (103 Liter)

    RKI Instruments 81-0101RK-03 Replacement Calibration Gas - 50% LEL Methane (2.5% vol.) / 17% Oxygen (103 Liter)

    $145.00
    50% LEL Methane (2.5% vol.) / 17% Oxygen Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0101RK-03 Equivalent).
  9. RKI Instruments 81-0082RK-01 Replacement Calibration Gas - 2000 PPM R-12 (34 Liter)

    RKI Instruments 81-0082RK-01 Replacement Calibration Gas - 2000 PPM R-12 (34 Liter)

    $62.00
    2000 PPM R-12 Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0082RK-01 Equivalent).
  10. RKI Instruments 81-0071RK-03 Replacement Calibration Gas - 5000 PPM Carbon Dioxide (103 Liter)

    RKI Instruments 81-0071RK-03 Replacement Calibration Gas - 5000 PPM Carbon Dioxide (103 Liter)

    $145.00
    5000 PPM Carbon Dioxide Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0071RK-03 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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