Wireless Gas Detectors, Gas Detection Systems, Detection Systems, Gas Solutions, Gas Alarm, Gas Sensors, Radiation Detector, Gas Monitors, Detector gas, PID Gas, Gas detectors, Toxic Gas, Gas Toxic Detection, Fixed gas, Detectors, Gas Monitoring At Honeywell, we're transforming the way the world works, solving your business's toughest challenges. Learn how we can drive your sustainability transformation. RAE Systems designs gas detection systems, radiation detectors, toxic gas and PID detectors, multi & single gas monitors for oil & gas, fire & hazmat, industrial safety, environmental, homeland security.