*Make sure both "location" and "devices nearby" permissions are enabled in your Settings menu. DigiVac’s Vacuum Gauge App is a comprehensive tool for tracking, logging, graphing, sharing and analyzing vacuum levels and trends, both locally via tablet/smartphone or from around the world via vacuumnetwork.org . Remotely monitor long-term vacuum processes and installations and generate detailed graphs of changing vacuum levels over time, helping to track your progress, diagnose leaks or troublesho