Professional testers have gauges with quality bourdon tubes and milled gears for accurate vacuum and pressure tests.
Features
·Screw-on replaceable bezel on both 2-12" and 3-1/2" gauge
·3-1/2" gauge comes with universal T and tapered adapters
Test Capabilities
·Vacuum leaks
·Sticky valves
·Worn rings or cylinder bores
·Uneven compression
·Fuel pump defects
Performance Specifications
Compression……………………0-30in.Hg
                                               0-800mm Hg
Pressure…………………………0-700 g/cm²
                                            0-10psi