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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 1810-2242 Replacement Gas for Ventix MX4 and iBrid MX6 - 25 PPM H2S, 100 PPM CO, 50% LEL Methane, 19% O2, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Methane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18102242 Equivalent). RFID tag is not included. -
MSA 10045035 Replacement Gas for ALTAIR 4X, Sirius, Solaris - 20 PPM Hydrogen Sulfide, 60 PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen (58L)
$248.0020 PPM Hydrogen Sulfide, 60 PPM Carbon Monoxide, 1.45% CH4 (58% LEL Pentane Simulant), 15% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (MSA 10045035 Equivalent). -
Biosystems 54-9046E Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen (58L)
$248.0025 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). -
Industrial Scientific 1810-2187 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18102187 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-6781 Replacement Gas for Ventis MX4 - 5 PPM NO2, 100 PPM CO, 25% LEL Methane, 19% O2, Balance Nitrogen (58L)
$335.005 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 25% LEL Methane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18106781 Equivalent). RFID tag is not included. -
BW Technologies CG-Q58-4 Replacement Gas for GasAlert MaxXT, Quattro, MicroClip and Micro5 (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (BW Technologies CG-Q58-4 Equivalent). -
Industrial Scientific 1810-6773 Replacement Gas for Ventis MX4 - 5 PPM NO2, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)
$335.005 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18106773 Equivalent). RFID tag is not included. -
BW Technologies CG-Q58-4JK Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (BW Technologies CG-Q58-4JK Equivalent). -
BW Technologies CG-Q58-3 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 20.9% Oxygen (Air), Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 20.9% Oxygen (Air), Balance Nitrogen, 58 Liter Aluminum Cylinder (BW Technologies CG-Q58-3 Equivalent). -
BW Technologies CG-Q58 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 20.9% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 20.9% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (BW Technologies CG-Q58 Equivalent).
