The Abatement Technologies PPM3-S Portable Differential Pressure Monitor delivers real-time differential pressure tracking between adjacent areas to ensure critical containment and compliance. Housed in a heavy-duty polymer case with a clear viewing window, this unit allows continuous monitoring while protecting internal components from site contaminants. It features an intuitive color touchscreen interface, customizable visual and 85 dB audible alarms, and local data logging storing over 12,000 events. Internal lithium polymer battery operation ensures uninterrupted performance during transport or temporary power loss.