The RKI Calibration 4-Gas Mixture in an aluminum 34 liter cylinder. The mixture is 25 ppm H2S/50 ppm CO/50 percent LEL CH4/12 percent 02 in N2. The Calibration 4-Gas Mixture is for use with the RKI SDM2009 Calibration Station for GX-2009 and the RKI SDM-2012 Calibration Station for GX-2012. [custom1] SKU; RKI01-81-0154RK-04 Product Weight (lbs.); No Weight (lbs.); 1.0000 Brand; RKI Instruments MPN; 81-0154RK-04 UPC; No BW Sensor; No BW Parts; No Accessory; No Price; $195.00 Color; No [/custom1]
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