The 741 Sample Conditioner is used for laboratory and industrial applications. It features a built-in pump and flow meter. It provides flow regulation required for accurate readings with any gas analyzer.
The 741 XP Sample Conditioner is for application requiring NEMA-7 compliance standards (i.e. refineries and petroleum transfer stations). The 741 XP encompasses all the regular 741 features and adds a temperature controlled environment, low flow alarm and a NEMA-7 explosion proof enclosure.