The Z Gard COmbo III monitor is a solution for projects that require a simple standalone monitor with carbon monoxide and nitrogen dioxide sensors. It is also ideal for small systems using up to a maximum of eight detection points. The Z Gard Sequencer gas-monitoring system is able to offer performance with a sample draw gas detection system. This microprocessor-based gas analyzer system uses up to three sensors for up to 24 locations.

MSA, P.O. Box 427, Pittsburgh, PA 15230; (877) MSA-INST;www.msagasdetection.com.