Dead Weight Tester

Dead weight tester (DWT) is a calibration standard which uses a piston cylinder on which a load is placed to make an equilibrium with an applied pressure underneath the piston. Deadweight testers are so called primary standards which means that the pressure measured by a deadweight tester is defined through other quantities; length, mass and time. Typically deadweight testers are used in calibration laboratories to calibrate pressure transfer standards like electronic pressure measuring devices.Specifications Accuracy: 0.05% ; 0.02%, 0.015% , 0.01%To order, specify the name ; model and accuracy. Technical Data: DataUnitPressure0.6MPaUpper limitMPa0.6DownlimitMPa0,04Piston Nominal AreaCM21Carrier and PistonNomina1 Maaskg0.4Pressure DevelopedMPa0.04WeightsNominal MassKg0,1; 0.5Pressure DevelopedMPa0.01; 0.05Quantitypcs6; 10Locking NutM20x1.5WeightKg20Working FluidThe Kine matic Viscosity of transformer oil and kerosene is 9 to 12 centistokes at 2O°C About Factory: XI YI GROUP CO. LTD ( Xi'an Instrument Factory): Establishing: 1954 Building:1957 Putting into production: 1960 Total capital: 335 million CNY Number of staff and worker: 2898 Occupied Area: 340,000M2 Other : XiYi prossesses of a technical center of provincial level ; national pressure test center; industrial automation instrument research institute, two join ventures and 20 subsidiaries. PLURALIZED BUSINESS SCOPES: The design, manufacture , sales, installation, debugging and maintenance service of industrial automatic instrumentation, contril system , industrial automation , building automation, office automation, environment - protection, complete sets of equipment, mechanical and electronic products, etc.