Portable gauging offers the opportunity to easily take spot measurement checks. Thanks to it being mains power independent, the Edwards P3 handheld all-in-one measuring system is the essential device for: Also available is the accessory pack, which not only gives you a case in which to transport the gauge, avoiding damage in transit, but also some dedicated PC software and mains cable to enable longer term measurement tracking and logging, past the standard onboard datalogging. This can enable pressure rise leak testing on large/underground systems where standard leak checking is not viable.