Accuracy Standards Tested to over 400,000 cycles at 100% accuracyLighter Weight New gauge body weighs 923g - lightest gauge testedNew Valve Mechanism Simplified 2 stage mechanism designComplies with: EC Directive 86/217/EEC & BS EN 12645:1999Calibration:Pressure gauge range: 0-138lbf/in2 & 0-9.6bar(Calibration certificate included)