PPA is a handheld pressure measuring device, also known as a manometer. Optional pressure ranges include high and low pressure, or vacuum. Simple controls include a power button and a back light for viewing the display in dark locations. The meter is battery operated and shuts off automatically after 5 minutes without use. Connect to a pressurized system with the attached one-touch fitting. Display can show instantaneous pressure, or hold the peak or bottom pressure during the connection. PPA manometers are CE and RoHS compliant, with an IP40 enclosure rating.