品名：42L20（白色）板表
外型尺寸：120x120mm  开孔尺寸111x111mm

主要技术参数

名称                                    常用规格                                       备注

交流电流表   A                          0.5-50A                            直接接通 
                  A                     10/5A-800/5A                       经电流互感器通次级电流
                  K                     1KA-10KA                             经电流互感器通次级电流
交流电压表  V                     10V-600V                              直接接通
                 KV                   1KV-35KV                              经电流互感器通次级电流 100V

直流电流表    μA，mA       50μA-500μA 1mA-500mA         直接接通
                   A                             1A-15A                         直接接通
                   A                             15A-750A                     外附分流器75mV
                  KA                            1KA-3KA                       外附分流器75mV
直流电压表     V                             3V-600V                       直接接通
                    KV                          1KV-3KV                       外附定值电阻

频率表           HZ                     45-55HZ 36V 100V              2.5级
                                               127V 220V 380V