Personal gas monitors are highly sophisticated instruments that are extremely effective, simple to use and easy to calibrate and maintain.  They have a variety of applications for use with fire and emergency service personnel, confined space entry, utilities, water treatment plants, mining, steel mills and any industries where accidental leakage of gas or vapors can endanger workers.  Lightweight, compact and equipped with loud audible alarms; these instruments are perfectly suited for environments where maneuverability is an issue.