Next generation iTrans™ fixed-point gas professional monitors employ an intelligent electronics platform to provide 1 or 2 points of detection from a single head for maximum flexibility, superior performance and lower installation costs. The four wire system is capable of accommodating more than 200 professional transmitters in RS485 bus configuration. Able to monitor any combination of gases for a specific environment, iTrans™ utilizes our industry-proven "smart" sensor technology and safety features including automatic sensor recognition, zero and cal fault protection, access code security, all enclosed within an explosion-proof aluminum housing.