MSA Altair 2XP H2S Pulse (Glow in the Dark). 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 worlds first stand-alone bump test. This allows a daily bump test to be performed without the need for calibration accessories or specific calibration gas. - Low cost of ownership - Fastest sensor response times, lowest calibration gas flow rate on the market - 4-year expected instrument & sensor life - 3-year warranty on instrument & most sensors (2 years on Cl2, NH3) - Stand-alone bump tests reduce maintenance, increase productivity (ALTAIR 2XP only) - 1 device can monitor 2 gases (ALTAIR 2XT only) - Increased safety awareness & real-time compliance - Stand-alone bump test anytime, anywhere without specific calibration gas (ALTAIR 2XP only) - Bump pass: green LED flash every 15s, large on-screen checkmark Bump fail or expiration: red LED flash every 15s, no checkmark - End-of-sensor-life warning and alarm - Full-time traceability - Records 75 alarm events - 150+ hours of periodic data (ALTAIR 2X and 2XP) - 100+ hours of periodic data (ALTAIR 2XT) - Compatible with MSA GALAXY GX2 Automated Test System and MSA Link Pro software - Rugged durability - Tough over-molded rubber armor - Survives multiple 25-ft drops onto concrete - Agency-certified dust- and water-tight IP67 construction - Intrinsically-safe design