GB/T3048.4-2007 DC Kelvin Bridge

Product description: QJ57 DC Kelvin bridge is applied to measurement of DC resistance in mining industries, laboratory or workshop site and field work place, to test DC resistance, resistivity inside of metal conductor, resistance of conductor line, resistance of DC shunt, contact resistance of switch and appliance; winding wire resistance of various of motors and transformers; and elevated temperature test and so on Standard: • GB/T3048.4-2007 Technical parameters: • Measuring range: 0.01μΩ ~ 1.1111KΩ • Accuracy: 0.05% • The main parameters of each range Range magnification Effective range(Ω) Accuracy(%) X103 0～1111.10 0.05 X102 0～111.110 X10 0～11.1110 X1 0～1.11110 X10ˉ1 0～0.111110 X10ˉ2 0～0.0111110 0.2 X10ˉ3 0～0.00111110 2 Specifications: • Overall dimensions: 300×250×160 mm • Power supply: built-in null indicator power supply 9 V (one 6F22 type battery) built-in bridge working power supply 1.5 V