Micron Gauge
A micron gauge is a specialized instrument used in HVAC systems to measure the level of vacuum during system evacuation. It specifically measures extremely low pressures, often in the range of microns (one micron equals one-millionth of a meter), which are required to ensure that moisture and non-condensable gases are removed from the system. This precise measurement helps ensure the system is properly evacuated and ready for refrigerant charging, preventing future issues like system inefficiency or contamination.
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