CA Gray Air Quality LoggerIndoor air quality has become a significant public health concern in recent years. Numerous studies have shown that environmental factors in the office, classroom, and home can have a significant impact on physical comfort and mental performance.The Indoor Air Quality Logger C.A helps address this issue by monitoring temperature, humidity, and carbon dioxide (CO2) in the local environment. This compact, easy-to-use instrument provides quick and accurate readings, and can store up to a million measurements.Monitoring CO2 levels in these environments can be highly beneficial. In addition to the potential health effects caused by breathing high concentrations of this gas, CO2 level also serves as a good indicator of the efficiency of the building's air ventilation and circulation system.Free Android app:You can also work with the C.A from an AndroidTM mobile device by downloading a free app from the Google Play Store. The app enables you to connect to the instrument, view measurement data (in tabular or graphical format), start and stop a recording session, download recorded data, configure the instrument, and perform other tasks.IncludesMeter in hard carrying case USB-to-wall plug adapter 6 ft USB cable 2 AA batteries Mini-CD with AQR software USB stick with AQR softwareQuick startUser guideUser manualFeaturesMultiple display modes for easy data viewing. You can display up to three measurements simultaneously (CO2, temperature, and relative humidity).Adjustable alarm settings for indicating when measurements fall outside a specified range.Multiple mounting options (Magnetic, Wall Bracket, Desk Top Stand or Strap).Data recording. You can start and stop a data recording session and store the results in the instrument.USB and Bluetooth communication capabilities for downloading recorded data to a computer.Data analysis software (provided free with the instrument) for viewing real-time data, configuring and running recording sessions, downloading recorded data, and creating reports. These reports can then be saved and reviewed for identifying long-term trends. Data can also be formatted as a Microsoft Excel® compatible spreadsheet.ApplicationsSchoolsWorkplaces (office and factory)HospitalsGovernment and other public buildingsAirports, Train and Bus StationsPrivate residences. ... Show More Show Less