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 81-0062RK-01 Replacement Calibration Gas - 50 PPM Carbon Monoxide (34 Liter)
$62.0050 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 34 Liter Steel Cylinder (RKI Instruments 81-0062RK-01 Equivalent). -
RKI Instruments 81-0191RK-02 Replacement Calibration Gas - 10 PPM Chlorine (58 Liter)
$335.0010 PPM Chlorine Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0191RK-02 Equivalent). -
RKI Instruments 81-0151RK-02 Replacement Calibration Gas - 25 PPM Hydrogen Sulfide (58 Liter)
$150.0025 PPM Hydrogen Sulfide Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0151RK-02 Equivalent). -
RKI Instruments 81-0013RK-05 Replacement Calibration Gas - 50% LEL Methane (58 Liter)
$125.0050% LEL Methane Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0013RK-05 Equivalent). -
RKI Instruments 81-0076RK Replacement Zero Air - 20.9% Oxygen (17 Liter)
$50.0020.9% Oxygen (Zero Air) Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0076RK Equivalent). -
RKI Instruments 81-0070RK-03 Replacement Calibration Gas - 2000 PPM Carbon Dioxide (103 Liter)
$145.002000 PPM Carbon Dioxide Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0070RK-03 Equivalent). -
RKI Instruments 81-0007RK-01 Replacement Calibration Gas - 15% LEL Hexane (34 Liter)
$62.0015% LEL Hexane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0007RK-01 Equivalent). -
RKI Instruments 81-0018RK Replacement Calibration Gas - 50% LEL Isobutane (17 Liter)
$50.0050% LEL Isobutane Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0018RK Equivalent). -
RKI Instruments 81-0078RK-03 Replacement Calibration Gas - 99.999% by volume Nitrogen (103 Liter)
$145.0099.999% by volume Nitrogen Calibration Gas, 103 Liter Steel Cylinder (RKI Instruments 81-0078RK-03 Equivalent). -
RKI Instruments 81-0090RK Replacement - 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen (17L)
$50.0050 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0090RK Equivalent).
