GS245 Indoor CO2 Alarms, Air Quality Monitor

Accurate and Fast Response: Utilizes advanced NDIR infrared CO2 sensor for precise measurements and quick detection. Clear Alerts: Equipped with red and green light indicators and human voice alerts for immediate abnormal condition notifications. Data Recording: Records 7 days of data, presented in easy-to-read graphical form for trend analysis. Flexible Calibration: Offers two calibration methods – 24-hour automatic calibration and manual calibration for optimal accuracy.