Extech CO250 Portable Indoor Air Quality CO2 Meter with Datalogger - Carbon Dioxide, Temperature, Humidity, Dew Point, Wet Bulb, NDIR Sensor, 99 Record Storage, Large LCD Display

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About This Accurate CO₂ Monitoring - Measures carbon dioxide levels from 0 to 5,000 ppm using an advanced NDIR sensor for reliable indoor air quality testing Multi-Parameter Measur ement - Simultaneously tracks temperature, humidity, dew point, and wet bulb for complete indoor environmental assessment Portable & User-Friendly Design - Compact handheld unit with large backlit LCD and intuitive keypad makes it easy for field technicians, inspectors, and HVAC professionals 99-Record Data Storage - Built-in datalogger stores up to 99 sets of readings, ideal for trend monitoring, workplace safety checks, and compliance reporting Versatile Applications - Perfect for offices, classrooms, laboratories, factories, greenhouses, and HVAC inspections where indoor air quality is critical Show more