MSA Altair 2X Single gas detection meter H2S-LC detects H2S. Improves work safety, compliance and traceability. Introducing the ALTAIR 2X Gas Detector from MSA; the first one or two gas detector that incorporates industry-leading XCell Sensor Technology to deliver unparalleled performance while drastically minimizing total cost of ownership, increasing durability and delivering enhanced worker safety, compliance and traceability. The Altair 2X is also the first portable gas detector to introduce revolutionary XCell Pulse Technology. Based on proven science and advanced patented sensor capabilities, the Altair 2XP detector delivers the world's first stand-alone bump test. This allows a daily bump test to be performed without the need for calibration accessories or specific calibration gas. - Alarm Type LED, Audible, Vibrating - Battery Life 12 Months - Battery Type Non-Rechargeable Lithium - Depth 1-7/8" - Detects H2S (Low Concentration) - Display LCD - Housing Colour Charcoal Gray - Item Gas Detector - Operating Temp. Range Normal: -10° C - 40° C (14° F - 104° F) Extended: -20° C - 50° C (-4° F - 122° F) - Resolution 0.1 ppm - Sensor Range 0 - 100 ppm - Width 2-1/4"