... 3 years using -Perfect 0 point after 1.3 times over load for 30 minutes YB-150 Precision Pressure Gauge Accury: 0 ... manufacturing experience of pressure gauge. High quality, no damage with 1.8 times over load for 30 minutesHigh accuracy, in perfect ... perfect zero point after 8 standing years. Scale range: 0-1, 0-10, 0-100, 0-200MPa could customize.Accuracy: 0 ...