This tester measures the ability of an engine cylinder to hold compressed air using shop air pressure and supplements a compression tester
Has a precision regulator, an M14 standard reach adapter on a 26" hose assembly and an M14 long reach solid adapter
The 2-1/2" special gauge has one multicolored band for measuring low, moderate and high leakage, and a scale range from 0-100%. The second gauge is 2-1/2" and has a dual scale dial with ranges from 0-100 PSI and 0-7 bar, which allows the Technician to monitor input air-line pressure