GAS KALIBRASI / SPAN GAS CALGAZ (MIXED GAS) 34 LITER

- HYDROGEN SULFIDE (H2S) 25PPM - CARBON MONOXIDE (CO) 50PPM - ISOBUTANE (I-C4H10) 0.9%(50%LEL) - OXYGEN (O2) 12% - NITROGEN (N2) BALANCE