TEKCOPLUS Breathe easier and stay informed about your indoor air quality with our Portable CO2 Monitor. Featuring triple displays of CO2 levels, temperature, and humidity, this device is a must-have for any home or office. Our CO2 monitor provides TWA (8 hours) and STEL (15 minutes) weighted averages, essential for monitoring air quality over time. What does this CO2 meter measure? It measures carbon dioxide (CO2), temperature, humidity, dew point, and wet bulb temperature in real time. What type of sensor does the device use for CO2 detection? It uses a stable NDIR (Non-Dispersive Infrared) sensor for accurate and reliable CO2 measurement. What is the CO2 measurement range and accuracy? The CO2 range is 0–9999 ppm. Accuracy is ±50 ppm or ±5% below 2000 ppm, and ±10% above 2000 ppm. How often does the meter update readings? The device refreshes measurement data every second for real-time monitoring. Does the meter support data tracking or logging? Yes, it supports PC connection for online logging and data analysis (PC cable/software not included). Stay Ahead of Indoor Air Quality Issues.