How to Use the AUTOOL LM120 Digital Manifold Gauge
A step-by-step AUTOOL LM120 guide to exact refrigerant selection, atmospheric zeroing, probe and hose setup, synchronized A/C data, relative-vacuum limits, timed pressure checks, and shutdown.
Tag refrigerant pressure measurement
How to Use the AUTOOL LM70 Digital Manifold Gauge
A detailed AUTOOL LM70 guide to refrigerant selection, atmospheric zeroing, safe hose setup, dual-side pressure and pipe-temperature readings, timed tests, evacuation limits, and shutdown.