Extech VFM200 VOC/Formaldehyde Meter

All-in-One Indoor Air Quality Monitor - Tracks VOCs, formaldehyde, CO, temperature, humidity, dew point, and wet bulb in one device, giving you the power to fully understand your environment. , Reliable NDIR and Electrochemical Sensors - Uses advanced non-dispersive infrared and electrochemical technology for accurate, stable readings that professionals can trust in both residential and commercial spaces. , User-Friendly Color Display - Bright, easy-to-read screen simultaneously shows multiple parameters with clear visual indicators, so you never miss critical changes in indoor air quality. , Built-In Datalogging with Trend Analysis - Stores thousands of data points with time and date stamp, making it easy to review long-term air quality trends for compliance, safety, or research. , Portable, Professional, and Versatile - Compact design with intuitive controls makes it perfect for HVAC technicians, industrial hygienists, environmental inspectors, and even homeowners serious about air safety.