Product Profile of Air Serco Refrigerant-measuring Tube Calibrator
                   
                        Airserco`s Air Serco Refrigerant-Measuring Tube Calibrator are very special tube calibrator which is very simple, direct-reading slide chart with instructions for usage. Some of the outstanding features are:
Any size of measuring tube 
Any temperature from 60 F to 130 F 
Any desired weight of precision charge 
Refrigerants: R-12, R-22, R-114, R-500