Product Description Item Number | 10106722Replace & repair your MSA Atlair 4X or 5X Multi-Gas detector with MSA's replacement Xcell EX Combustible sensor. Need some DIY help changing a sensor or just some friendly technical help with repairing your instrument? Call customer service @ 1-800-949-7233. Buy with confidence with quick shipping and free technical support! Gas: Combustible (LEL) Package: Single gas Range: 0-100% LEL or 0-5% CH4 Resolution: 1% LEL or 0.05% Vol CH4 Response Time (typ): t(90) <15 seconds (pentane) t(90) <10 seconds (methane) Alarm Setpoint: Min 5% LEL/ Max 60% LEL Warranty: 3 years Long life: >4-year life using dual detector beads means fewer sensor replacements over the instrument's life. Durable: patented support system allows sensor to survive a 20-foot drop in an ALTAIR® 4X Multigas Detector. Response: industry-leading response time not only helps to save lives, but your time and money as well. Performance: run up to 3 shifts with XCell Sensor's low power consumption. Resilience: extremely robust filter helps to keep sensors free of poisons and inhibitors.