For over 50 years, General Monitors has been a leading manufacturer of gas and flame detection products. They manufacture all their own detectors and systems with a dedicated team that specializes only in gas and flame instrumentation and systems. Offering the most complete line of Gas & Flame Technology Solutions: • Catalytic Bead • Infrared (IR) • Open Path • Electrochemical • Metal Oxide Semiconductor (MOS) • Ultrasonic / Acoustic • Photoacoustic • Multi-Spectral IR • UV/IR • Fire and Gas Systems General Monitors protects people, equipment and facilities from hazardous industrial processes.