The old refrigerant gauges had one thing right

I keep seeing younger techs out here in Tucson relying on those digital manifolds for everything. Last Tuesday I watched a guy spend 20 minutes on a no-cool call because his probe said the subcooling was fine, but he never checked the liquid line temp with his hand. The old analog gauges forced you to think about pressures and temperatures together, not just stare at a screen number. Has anyone else noticed the digital stuff gives you false confidence when the compressor is actually slugging oil?

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