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 81-0170RK-02 Replacement Calibration Gas - 5 PPM Sulfur Dioxide (58 Liter)
$150.005 PPM Sulfur Dioxide Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0170RK-02 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 81-0149RK-02 Replacement Calibration Gas - 5 PPM Hydrogen Sulfide (58 Liter)
$150.005 PPM Hydrogen Sulfide Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0149RK-02 Equivalent). -
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 81-0089RK-03 Replacement - 50 PPM Carbon Monoxide, 15% LEL Hexane, 12% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 15% LEL Hexane, 12% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0089RK-03 Equivalent). -
RKI Instruments 81-0090RK-01 Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0090RK-01 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 81-0094RK-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).
