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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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BW Technologies CG-Q34-4JK Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 1.25% CH4 (50% LEL Pentane Simulant), 18% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (BW Technologies CG-Q34-4JK Equivalent). -
Industrial Scientific 1810-5536 Replacement Gas for Ventix MX4 and iBrid MX6 - 25 PPM H2S, 100 PPM CO, 50% LEL Methane, 19% O2, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Methane, 19% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Industrial Scientific 18105536 Equivalent). RFID tag is not included. -
BW Technologies CG-Q34-4 Replacement Gas for GasAlert MaxXT, Quattro, MicroClip and Micro5 (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (BW Technologies CG-Q34-4 Equivalent). -
Industrial Scientific 1810-3937 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Industrial Scientific 18103937 Equivalent). RFID tag is not included. -
MSA 10048280 Replacement - 20 PPM Hydrogen Sulfide, 60 PPM Carbon Monoxide, 1.45% (58% LEL) Pentane Simulant, 15% Oxygen, Balance Nitrogen (29L)
$165.0020 PPM Hydrogen Sulfide, 60 PPM Carbon Monoxide, 1.45% CH4 (58% LEL Pentane Simulant), 15% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (MSA 10048280 Equivalent). -
Draeger 4594639 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 50% LEL Methane, 17% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Draeger 4594639 Equivalent). -
MSA 711080 Replacement Calibration Gas - 40 PPM Hydrogen Chloride (29 Liter)
$232.0040 PPM Hydrogen Chloride Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (MSA 711080 Equivalent). -
MSA 10048790 Replacement - 20 PPM Hydrogen Sulfide, 1.45% Methane, 15% Oxygen, Balance Nitrogen (29L)
$165.0020 PPM Hydrogen Sulfide, 1.45% Methane, 15% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (MSA 10048790 Equivalent). -
MSA 711060 Replacement Calibration Gas - 10 PPM Hydrogen Sulfide (29 Liter)
$103.0010 PPM Hydrogen Sulfide Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (MSA 711060 Equivalent). -
MSA 711070 Replacement Calibration Gas - 10 PPM Sulfur Dioxide (29 Liter)
$140.0010 PPM Sulfur Dioxide Calibration Gas, Balance Air, 29 Liter Aluminum Cylinder (MSA 711070 Equivalent).
