The transportable ChillGard RT photoacoustic infrared refrigerant monitor provides advanced, cost-effective monitoring, enabling service personnel to work safely in mechanical equipment rooms and other areas that have chillers containing common refrigerants, such as R-123, states the manufacturer. The monitor is mounted on shocks inside a rugged case that has wheels and a telescoping handle for carrying. Both a power cord and a sample line with filter are included and connect to the outside of the case. A demand regulator and check gas are included for system pretests. Setpoints are factory set and password protected per customer specifications.