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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 1810-9181 Replacement - 25 PPM Hydrogen Sulfide, 200 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 200 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109181 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9183 Replacement - 25 PPM Hydrogen Sulfide, 250 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 250 PPM Carbon Monoxide, 50% LEL Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109183 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-8035 Replacement - 25 PPM Hydrogen Sulfide, 250 PPM Carbon Monoxide, 50% LEL Methane, 19% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 250 PPM Carbon Monoxide, 50% LEL Methane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18108035 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9180 Replacement - 25 PPM Hydrogen Sulfide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109180 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-4331 Replacement - 25 PPM Hydrogen Sulfide, 40% LEL Methane, 19% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 40% LEL Methane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18104331 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9178 Replacement - 5 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (58L)
$335.005 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109178 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9184 Replacement - 5 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen (58L)
$335.005 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109184 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-8571 Replacement - 5 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 2.5% Methane, 19% Oxygen, Balance Nitrogen (58L)
$335.005 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 2.5% Methane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18108571 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9173 Replacement - 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (103L)
$145.0025% LEL Pentane, 18% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18109173 Equivalent). RFID tag is not included.- Out of stock
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Industrial Scientific 1810-9177 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Propane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109177 Equivalent). RFID tag is not included.
