IAQ analyzer package 0-10,000ppm CO2 + 100% O2 with internal pump. CO2 analyzer designed to monitor CO2 for all indoor air quality applications. This unit has been developed to incorporate the latest technology and specification requirements, that provide the user with a fast, simple to use and accurate piece of environmental field kit. Includes: Battery charger Sample tube / filters Operating manual Features and Benefits CO2 0-10,000 ppm Options for: Dual temperature probes 0 - 50°C Data storage and download Humidity Sensor 0 - 100% Improved accuracy on CO2 readings Quick verification of CO2 levels for site audits Easy to ready large well lit display Built in gas moisture removal Applications General IAQ Environmental Site Audits HVAC System approval Illegal immigrant control/detection For More Information Visit Here: https://diamondsci.com/collections/gas-analyzers/products/co2-o2-air-quality-meter-g150-10n