The AirTest™ Personal Air Quality Monitor measures carbon dioxide, humidity, and temperature and displays the results on a large LCD screen. Date and time are also displayed. It is designed as an affordable, plug-in monitor for the home or workplace. The display will also interpret the indoor carbon dioxide readings and indicate if ventilation rates are “good,” “normal,” or “poor.” According to the company, the unit requires no maintenance or calibration and features advanced sensor technology.

AirTest Technologies Inc., 1520 Cliveden Avenue, #9, Delta, British Columbia V3M 6J8 Canada; 888-855-8880 or 604-517-3888; 604-517-3900 (fax); info@airtesttechnologies.com; www.airtesttechnologies.com