AZ7721 Air Quality Monitor – Precision CO2 & Temperature Detection
Ultra-sensitive NDIR CO2 sensor ensures accurate carbon dioxide measurement (400–5000 ppm) with ±50 ppm precision. Real-time temperature monitoring (0–50°C) via high-response thermocouple. Robust ABS housing with matte anti-scratch finish, compact 110x60x30mm design for portability. Features a 2.4” LCD with auto-backlight for clear low-light readability. Ideal for indoor air quality checks in offices, schools, greenhouses, and HVAC maintenance. Energy-efficient with auto-sleep mode, powered by USB-C or 3xAAA batteries (included). Global wholesale-ready – bulk pricing available. CE/FCC certified for safety compliance. *Note: Includes protective silicone sleeve and calibration certificate.*