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 81-0076RK-03 Replacement Zero Air - 20.9% Oxygen (103 Liter)
$139.0020.9% Oxygen (Zero Air) Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0076RK-03 Equivalent). -
RKI Instruments 81-0154RK-02 Replacement - 25 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 50 PPM Carbon Monoxide, 50% LEL Methane, 12% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0154RK-02 Equivalent). -
RKI Instruments 81-0012RK-21 Replacement Calibration Gas - 25% LEL Methane (34 Liter)
$62.0025% LEL Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0012RK-21 Equivalent). -
RKI Instruments 81-0004RK-01 Replacement Calibration Gas - 50% LEL Propane (34 Liter)
$62.0050% LEL Propane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0004RK-01 Equivalent). -
RKI Instruments 81-0062RK-03 Replacement Calibration Gas - 50 PPM Carbon Monoxide (103 Liter)
$145.0050 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0062RK-03 Equivalent). -
RKI Instruments 81-0000RK-31 Replacement Calibration Gas - 4000 PPM Hydrogen (34 Liter)
$62.004000 PPM Hydrogen Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0000RK-31 Equivalent). -
RKI Instruments 81-0011RK Replacement Calibration Gas - 10% LEL Methane (17 Liter)
$50.0010% LEL Methane Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0011RK Equivalent). -
RKI Instruments 81-0084RK-01 Replacement Calibration Gas - 2000 PPM R-134A (34 Liter)
$62.002000 PPM R-134A Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0084RK-01 Equivalent). -
RKI Instruments Instruments 81-0175RK-04 Replacement Calibration Gas - 10 PPM Ammonia (29 Liter)
$232.0010 PPM Ammonia Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0175RK-04 Equivalent). -
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).
