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Shop by Brand - Biosystems 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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9 Item(s)

  1. Biosystems 54-9046E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen (58L)

    Biosystems 54-9046E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Biosystems 54-9046E Equivalent).
  2. Biosystems 54-9044E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (58L)

    Biosystems 54-9044E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Biosystems 54-9044E Equivalent).
  3. Biosystems 54-9043 Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen (58L)

    Biosystems 54-9043 Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Biosystems 54-9043 Equivalent).
  4. Biosystems 54-9070E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    Biosystems 54-9070E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    $145.00
    50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9070E Equivalent).
  5. Biosystems 54-9049E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (29L)

    Biosystems 54-9049E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (29L)

    $165.00
    25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Biosystems 54-9049E Equivalent).
  6. Biosystems 54-9045E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (34L)

    Biosystems 54-9045E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (34L)

    $62.00
    50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9045E Equivalent).
  7. Biosystems 54-9041 Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    Biosystems 54-9041 Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    $145.00
    50 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9041 Equivalent).
  8. Biosystems 54-9071E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (34L)

    Biosystems 54-9071E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (34L)

    $62.00
    50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9071E Equivalent).
  9. Biosystems 54-9042E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (103L)

    Biosystems 54-9042E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (103L)

    $145.00
    50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9042E Equivalent).
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  1. Brand Replacement: Biosystems Remove This Item
  2. Select Multiple Gases: Carbon Monoxide Remove This Item
  3. Select Multiple Gases: Oxygen Remove This Item
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Brand Replacement
  1. Biosystems
  2. BW Technologies
  3. Drager
  4. GfG
  5. Industrial Scientific
  6. Lumidor
  7. MSA
  8. RAE Systems
  9. RKI Instruments
Select Gas Type
  1. Multi-Gas Mix
Select Multiple Gases
  1. Carbon Monoxide
  2. Hydrogen Sulfide
  3. Methane
  4. Oxygen
  5. Pentane
  6. Pentane Simulant
  7. Propane
  8. Propane Simulant
Cylinder Size
  1. 29 Liter Aluminum (1)
  2. 34 Liter Steel (2)
  3. 58 Liter Aluminum (3)
  4. 103 Liter Steel (3)
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