Basic parameters: 1. Test medium: oil, water or glycol mixture; 2 test pressure :O-70MPA(adjustable); 3. Pressure display accuracy :0.1BAR; 4. Test ring display :1 circle; 5. Test record: computer record real-time display pressure curve, collection of test cycles, print test report; 6 test medium temperature: room temperature "130C(according to customer requirements).