3-in-1 Multifunctional Air Quality Detector Temperature Humidity Monitor Indoor/Outdoor CO2 Monitor Tester with Data Log Trend Graph Buzz Alarm

features trend graph display and user programmable buzz alarm. It can monitor Carbon Dioxide (CO2) concentration as well as humidity level and temperature. Multifunctional and easy to use, widely used in schools, office buildings, greenhouses, factories, hotels, hospitals, any confined spaces or anywhere that high levels of carbon dioxide are generated.
Features:
Equipped with dual-channel temperature sensor and NDIR CO2 sensor, it monitors carbon dioxide, air temperature and humidity with digital display.
Sound a warning alarm when CO2 concentration exceeds limit range, which is programmable by users.
Display CO2 trend graph where time span is zoomable among minute/hour/day/week.
Air Quality is displayed in ppm with three colors of indicators: Red (poor), Yellow (normal), Green (good).
Disigned with a PLANT mode, where a list a plant types is available, suitable for greenhouse farming.
Support manual calibration in fresh air, and altitude compensation function which allows users to update altitude data to improve accuracy of measurement.
With a bracket on the back, it can sit on desk and can also be installed on wall.
Applications include monitoring air quality in schools, office buildings, greenhouses, factories, hotels, hospitals, etc.