PS 424-1964 钢材抗拉试验用负荷校准试验机械

标准号：PS 424-1964
中文标准名称：钢材抗拉试验用负荷校准试验机械
英文标准名称：LOAD CALIBRATION TESTING MACHINES FOR TENSILE TESTING OF STEEL
发布日期：1964/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This Pakistan Standard applies to the load cali bration of machines used for the tensile testing of steel in accordance with PS 241 : 1963. Tensile Testing of Steel. The machine is calibrated under conditions of increasing load1.1.1 The following methods of load calibration aredescribed.(a) by means of weights (masses), see section 3(b) by means of elastic devices(dynamometers), see section 4(c) by means of proving levers, see section 51.2 Whatever methods is used, the calibrationshould check both the repeatability and the accuracy of the machine.