1. 适用于44种冷媒: R11, R123, R404A, R414B, R600A, R428A, R12, R124, R406A, R744, R426A, R417A,? R13, R134a, R407A ,R422A, 1234yf, R437A, R22, R290, R407C, R422D, R424A, R23, R401A, R408A, R427A, R434A, R728, R32, R401B, R409A, R502, R422B, R113, R402A, R410A, R507A, R416A, R114, R402B, R413A, R508B, R420A 2. 可探测铜管的温度,进行过冷过热分析 3. 拥有管路检漏功能