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 81-0063RK-01 Replacement Calibration Gas - 20 PPM Carbon Monoxide (34 Liter)
$62.0020 PPM Carbon Monoxide Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0063RK-01 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). -
RKI Instruments 81-0004RK Replacement Calibration Gas - 50% LEL Propane (17 Liter)
$50.0050% LEL Propane Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0004RK Equivalent). -
RKI Instruments 81-0068RK Replacement Calibration Gas - 100 PPM Carbon Monoxide (17 Liter)
$50.00100 PPM Carbon Monoxide Calibration Gas, Balance Nitrogen, 17 Liter Steel Cylinder (RKI Instruments 81-0068RK Equivalent). -
RKI Instruments 81-0195RK-04 Replacement Calibration Gas - 5 PPM Hydrogen Chloride (29 Liter)
$232.005 PPM Hydrogen Chloride Calibration Gas, Balance Nitrogen, 29 Liter Aluminum Cylinder (RKI Instruments 81-0195RK-04 Equivalent). -
RKI Instruments 81-0012RK-01 Replacement Calibration Gas - 50% LEL Methane (34 Liter)
$62.0050% LEL Methane Calibration Gas, Balance Air, 34 Liter Steel Cylinder (RKI Instruments 81-0012RK-01 Equivalent). -
RKI Instruments 81-0081RK Replacement Calibration Gas - 2000 PPM R-22 (17 Liter)
$50.002000 PPM R-22 Calibration Gas, Balance Air, 17 Liter Steel Cylinder (RKI Instruments 81-0081RK Equivalent). -
RKI Instruments 81-0176RK-02 Replacement Calibration Gas - 25 PPM Ammonia (58 Liter)
$335.0025 PPM Ammonia Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0176RK-02 Equivalent). -
RKI Instruments 81-0192RK-02 Replacement Calibration Gas - 2 PPM Chlorine (58 Liter)
$335.002 PPM Chlorine Calibration Gas, Balance Nitrogen, 58 Liter Aluminum Cylinder (RKI Instruments 81-0192RK-02 Equivalent).
