When checking for non-cendensables inside a recovery cylinder, why should the tech allow the temperature of the cylinder to stabilize to room temperature before taking a pressure reading?
a: to prevent safety valves from purging refrigerantb: it is a quick way to determine refrigerant level inside tank. c: comparisons to a p-t chart are only valid if both the pressures and temp of refrigerant are stable and knownd: a temp reading alone is enough to determine quality