The Chillgard RT Refrigerant Monitor detects refrigerant gas down to 1 ppm. The unit can be configured to monitor from up to eight remote areas. The Chillgard RT Refrigerant Monitor can be configured to detect a specific refrigerant or a group of refrigerants.  Standard features include vacuum fluorescent display, audio alarm, three alarm levels, four relays and 4-20mA & 0-10V outputs.