The ST850EX is an all-round addressable gas detector which can be connected to a Consilium loop system for both the power and communication. No individual wiring is required which could save up to 70% on installation costs. The ST850EX offers the best sensor technology with high performance, including the next generation gas sensor Molecular Proper ty Spectrometer™ (MPS).The MPS detects flammable gases based onTrueLEL.The graphic display shows the measured value and status notifications locally.The capacitive key control gives an experience similar to a touchscreen and enables easy navigation through the user/calibration menu.The user menu is secured with a password; unauthorized users cannot access the gas detector.The control of the user/calibration menu does not require additional tools (for example magnets). Simple, easy and user friendly!