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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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Industrial Scientific 1810-4463 Replacement - 50 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18104463 Equivalent). RFID tag is not included. -
RKI Instruments 81-0089RK-03 Replacement - 50 PPM Carbon Monoxide, 15% LEL Hexane, 12% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 15% LEL Hexane, 12% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0089RK-03 Equivalent). -
RKI Instruments 81-0090RK-03 Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0090RK-03 Equivalent). -
RKI Instruments 81-0093RK-03 Replacement - 50 PPM Carbon Monoxide, 25% LEL Pentane, 12% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 25% LEL Pentane, 12% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0093RK-03 Equivalent). -
Draeger 4594945 Replacement - 100 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Draeger 4594945 Equivalent). -
Draeger 4597120 Replacement - 100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Draeger 4597120 Equivalent). -
Draeger 4594596 Replacement - 100 PPM Carbon Monoxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Draeger 4594596 Equivalent). -
RAE Systems 600-0114-000 Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 50% LEL Methane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (RAE Systems 600-0114-000 Equivalent). -
Biosystems 54-9070E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9070E Equivalent). -
Biosystems 54-9042E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9042E Equivalent).
