Shop by Brand - RKI Instruments 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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RKI Instruments 81-0094RK Replacement Calibration Gas - 50% LEL Isobutane (0.9% vol.) / 12% Oxygen (17 Liter)
$50.0050% LEL Isobutane (0.9% vol.) / 12% Oxygen Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0094RK Equivalent). -
RKI Instruments 81-0177RK-03 Replacement Calibration Gas - 25 PPM Nitrogen Trifluoride (103 Liter)
$310.0025 PPM Nitrogen Trifluoride Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0177RK-03 Equivalent). -
RKI Instruments 81-0154RK-04 Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0154RK-04 Equivalent). -
RKI Instruments 81-0071RK-01 Replacement Calibration Gas - 5000 PPM Carbon Dioxide (34 Liter)
$62.005000 PPM Carbon Dioxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0071RK-01 Equivalent). -
RKI Instruments 81-0002RK Replacement Calibration Gas - 50% LEL Hydrogen (17 Liter)
$50.0050% LEL Hydrogen Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0002RK Equivalent). -
RKI Instruments 81-0079RK-03 Replacement Calibration Gas - 500 PPM Methane (103 Liter)
$145.00500 PPM Methane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0079RK-03 Equivalent). -
RKI Instruments 81-0185RK-04 Replacement Calibration Gas - 0.5 PPM Phosphine (29 Liter)
$232.000.5 PPM Phosphine Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0185RK-04 Equivalent). -
RKI Instruments 81-0064RK Replacement Calibration Gas - 50 PPM Carbon Monoxide (17 Liter)
$50.0050 PPM Carbon Monoxide Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0064RK Equivalent). -
RKI Instruments 81-0000RK-21 Replacement Calibration Gas - 2000 PPM Hydrogen (34 Liter)
$62.002000 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-21 Equivalent). -
RKI Instruments 81-0012RK Replacement Calibration Gas - 50% LEL Methane (17 Liter)
$50.0050% LEL Methane Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0012RK Equivalent).
