Technical parameter function description; Pressure program: 0-6000kPa;  Vacuum A measure: -101-0kPa; Pressure accuracy: +/- 0.5%(FS) +5DGT; Temperature unit: -40-150C -40-302 "f; Pressure unit: KPA MPA BAR inHG PSI; Setting pressure leak test;  89 types of refrigerant NIST; Display high and low voltage double road display;