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42C20 42l6 64L1 6L2 89L2 GB48(99-1) GLB-72 GLB-96 GLB-1T1     The meters may be of moving-coil type and moving-iron type,when mounted in allkinds of displaying pancls and large size switchboards of Automation Systems and Distribution Systems, suitable for indicating the reit vant electrical parameters, such asAC/DC currents and voltages, cos, W,'Car, S, Hz, etc. The specifications are in agrccment with GB/T7676-1998. 46L1 16L1
Measuring rang and Accuracy Class
Type\Parameiers Accuracy class Unit Range Remak DC Ammeters 1.5 uA 50-100 Directly connected mA 1-500 A 1-30 50-3000 With externa shunt of 75mV DC Voltmeters 1.5 V 1.5-600 Directly connected AC Ammeters 1.5 A 0.5-30 50-3000 Current transformer AC Voltmeters 1.5 V 10-600 Directly connected Power factor meters 2.5 Three phase:100,200,380V; 1.5A;cosø=-0.5-1-+0.5 Wattmeters,Varmeters 2.5 Three phase:100,127,200,380V;1.5A S 2.5 Three phase:100,200,380V Frequency meters 1 100,200,380V,45-55Hz,55-65Hz,350-450Hz,450-550Hz Supressed zero Voltmeters 2.5 80-120V,180-260V,300-450V Overcurrent indicator 2.5 5A(6 times of range)
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