型号测量范围50Hz消耗(VA)刻度分格频率 T19-mA10/20mA0.41/0.41 100 50 60Hz25/50mA0.40/0.4050/100mA0.37/0.37100/200mA0.35/0.35250/500mA0.34/0.34 T19-A0.5/1A0.34/0.341/2A0.30/0.302.5/5A0.51/0.515/10A0.51/0.51 T19-V7.5/15V3.75/3.75 15015/30V3.6/3.630/60V3.75/3.7575/150V4.5/4.5150/300V4.5/4.5300/600V7.5/7.52.2 主要性能参数2.2.1 准确度等级:0.5级2.2.2 工作位置:水平2.2.3 响应时间:不大于4s2.2.4 标度尺长度:120mm