How to Read HVAC Gauges
Assessing the condition of your HVAC system involves the use of an HVAC gauge. HVAC gauges are referred to as a gauge set or manifold gauge set. The gauge set you use should match the refrigerant in the cooling system being tested. Some sets can read more than one type of refrigerant. Trained technicians usually have more than one gauge set. Types of Manifold Gauges Manifold gauges are either analog or digital. Both styles are designed to measure gas and vacuum pressure. Digital gauges calculate readings for the technician and return them to a digital
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