Madison County, Kentucky. Madison County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 82,916. Its county seat is Richmond. The county is named for Virginia statesman James Madison, who later became the fourth President of the United States.
A micron gauge measures the amount of air or ânoncondensablesâ and moisture in a system. The unit of measurement used is a âmicron.â The gauge is placed between the vacuum pump and the middle port of your manifold set. The lower the micron reading, the deeper the vacuum. The deeper the vacuum, the lower the amount of air and moisture in any given system.
Taking the time to use a micron gauge to check for these potential problems is not only a preventive measure, it can also benefit your reputation as a contractor. Most micron gauges can be purchased for $100-$400 depending on the model - a small investment up front that can save you a lot of money in the long run.