Shop by Brand - Single Gas Mix - 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 81-0181RK-04 Replacement Calibration Gas - 25 PPM Nitric Oxide (29 Liter)
$232.0025 PPM Nitric Oxide Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0181RK-04 Equivalent). -
RKI Instruments 81-0072RK Replacement Calibration Gas - 2.5% by volume Carbon Dioxide (17 Liter)
$50.002.5% by volume Carbon Dioxide Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0072RK Equivalent). -
RKI Instruments 81-0007RK Replacement Calibration Gas - 15% LEL Hexane (17 Liter)
$50.0015% LEL Hexane Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0007RK Equivalent). -
RKI Instruments 81-0094RK-03 Replacement Calibration Gas - 50% LEL Isobutane (0.9% vol.) / 12% Oxygen (103 Liter)
$145.0050% LEL Isobutane (0.9% vol.) / 12% Oxygen Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0094RK-03 Equivalent). -
RKI Instruments 81-0180RK-04 Replacement Calibration Gas - 10 PPM Nitrogen Dioxide (29 Liter)
$232.0010 PPM Nitrogen Dioxide Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0180RK-04 Equivalent). -
RKI Instruments 81-0070RK-01 Replacement Calibration Gas - 2000 PPM Carbon Dioxide (34 Liter)
$62.002000 PPM Carbon Dioxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0070RK-01 Equivalent). -
RKI Instruments 81-0001RK-23 Replacement Calibration Gas - 30% LEL Hydrogen (103 Liter)
$145.0030% LEL Hydrogen Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0001RK-23 Equivalent). -
RKI Instruments 81-0012RK-03 Replacement Calibration Gas - 50% LEL Methane (103 Liter)
$145.0050% LEL Methane Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0012RK-03 Equivalent). -
RKI Instruments 81-0075RK Replacement Calibration Gas - 10% by volume Oxygen (17 Liter)
$50.0010% by volume Oxygen Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0075RK Equivalent). -
RKI Instruments 81-0066RK-03 Replacement Calibration Gas - 200 PPM Carbon Monoxide (103 Liter)
$145.00200 PPM Carbon Monoxide Calibration Gas, Balance Air, 103 Liter Steel Cylinder (RKI Instruments 81-0066RK-03 Equivalent).
