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R50G has a friction brake to prevent the crank handle from free-wheeling
It is NOT a substitute for a properly-executed atmosphere-testing procedure
Large hex screw cable connection assures cable connection every time
PK Safety RKI Equivalent 4 Gas Calibration Gas Mix 60 Liter VENTILATION CONFINED SPACE municipalitiesKeep your gas monitors functioning safely and reliably with PK Safety's RKI Equivalent 4 Gas Calibration Mix. This 60 liter cylinder delivers the precise gas concentrations your detection equipment needs: 25 ppm H2S, 50 ppm CO, 2. 5% Methane (50% LEL), and 12% O2all balanced in nitrogen. Regular bump testing and calibration prevent equipment failures that could put your team at risk. Compatible with RKI GX 2009, GX 2012, GX 3R Pro, GX 3R, and GX Force
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