Efficient vacuum measurements The TU1 automotive diagnostic tool uses a Bourdon tube to deliver precise vacuum and pressure readings essential for diagnosing vehicle issues. Sturdy and reliable Made from chrome vanadium steel with extensive heat treatment, the tool remains robust under demanding conditions while providing accurate readings. options Features an interchangeable gauge cover for easy maintenance and personalization to fit your workflow and preferences. Easy to transport Its compact size ensures portability; store it in your toolbox or car without taking up excess space. Practical applications Engine vacuum diagnostics: measure vacuum at idle and under load to identify leaks or performance issues. Vacuum system checks: verify brake booster vacuum lines and intake vacuum circuits for leaks or weak readings. Routine maintenance and diagnostics: use during tuneups to confirm system integrity and validate readings against expected performance.