RKI GX-3R Pro 81-PCX-LV Calibration Kit, 34AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, 103L cyl H2 2000 ppm in air
Cal kit, GX-3R Pro, 34AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, 103L cyl H2 2000 ppm in air, regulator 0.25 LPM, case & tubing
