4 gas monitor Forensics Detectors is the most comprehensive gas measurement company in the world. Since its founding in 2017, the company offers the best and most affordable gas detectors, meters, and analyzers, serving a broad spectrum of industries such as oil and gas, research and development, transportation, food, construction, electronics, and occupational safety. Forensics Detectors has grown significantly and now provides almost every major type of gas meter and detector. The company is committed to delivering top-notch professional gas measurement, detection, and monitoring equipment, coupled with expert technical support. It is located in the scenic Palos Verdes Peninsula in Los Angeles, California.