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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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Biosystems 54-9055 Replacement Calibration Gas - 30 PPM Nitric Oxide (58 Liter)
$335.0030 PPM Nitric Oxide Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (Biosystems 54-9055 Equivalent). -
Biosystems 54-9081 Replacement - 2% Carbon Dioxide, 18% Oxygen, Balance Nitrogen (103L)
$145.002% Carbon Dioxide, 18% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9081 Equivalent). -
Biosystems 54-9041 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 (Biosystems 54-9041 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). -
Biosystems 54-9045E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9045E Equivalent). -
Biosystems 54-9071E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9071E 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 54-9061 Replacement Calibration Gas - 50 PPM Ammonia (29 Liter)
$232.0050 PPM Ammonia Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (Biosystems 54-9061 Equivalent). -
Biosystems 54-9063 Replacement Calibration Gas - 30 PPM Nitric Oxide (29 Liter)
$232.0030 PPM Nitric Oxide Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (Biosystems 54-9063 Equivalent). -
Biosystems 54-9035 Replacement Calibration Gas - 99.999% by volume Nitrogen (103 Liter)
$145.0099.999% by volume Nitrogen Calibration Gas, 103 Liter Steel Cylinder (Biosystems 54-9035 Equivalent).
