The ALTAIR® 5X gas detector is capable of measuring up to 6 gases simultaneously and is now available with integrated PID sensor for VOC detection. Driven by advanced MSA XCell® sensor technology, the ALTAIR® 5X gas detector delivers faster response time, better stability, accuracy, longer service life and cost savings over the life of the instrument. MSA ALTAIR® 5X Multi-Gas Detector Instrument Only Kit, Lower Explosive Limit, Dioxygen, Carbon Monoxide, Hydrogen Sulfide, Photoionization Detector Gas, 0 to 100%, 0 to 30% Volume, 0 to 2000 ppm, 0 to 10000 ppm, 0 to 200 ppm Detection, Alarm: 95 dB Audible/2-Ultra-Bright LEDs Visual/Standard Vibrating, High Contrast Color Display, 1%, 0.1% Volume, 1 ppm, 5 ppm, 0.1 ppm Resolution, -20 to 50 °C Operating, 110/220 VAC, 12 to 24 VDC, Rechargeable Lithium-Ion/AA Alkaline Battery, IP65 Enclosure, Rugged Rubberized Armor Housing Material, 3.49 in W x 1.79 in D x 6.69 in H Dimensions