Altair io4 (EX-OX-CO-H2S) basic four-gas handheld gas detector for personal monitoring. A cloud-based service that provides real-time measurement and access to the supervisor using the MSA ID of the user assigned to the device. Parameters: - available sensors: Comb, CO, H2S, O2 - 7.0m drop test - operating temperature between +60°C and -40°C - daily Bump test option - Bluetooth connection to access data logging and download - ATEX Zone " 0" rating!!