Powered by Windows Mobile Pocket PC platforms, the Direct Sense IAQ meter can provide exceptional benefits and features for a broad range of measurement parameters. It is designed to take care of both walk-thru surveys as well as for long term trend logging. Two modes are necessary for thorough Indoor Air Quality investigations. The unit can measure carbon monoxide, carbon dioxide, %RH, Dewpoint and Temperature and TVOCs. The meter's features are advanced when it comes to documenting and reporting on logged readings; additional features include on-board video help and extensive IAQ applications.