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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Biosystems 54-9043 Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Biosystems 54-9043 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).
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