DD28系列单相电能表

DD28,series,single,phase,watt-hours,meter

用途Application:

DD28型单相电度表系感应单相交流有功电度表,适用于频率为50Hz,单相交流电网中有功电能的计量。

具有体积小、结构设计紧凑、低功耗等特点,其技术指标完全符合GB/T15283-1994国家标准及IEC521国际标准。

DD28,single-phase,watt-hour,meter,is,a,kind,of,induction, ,is,applicable,to,measure,the,rated,frequency,50Hz

and,power,loss,in,electrified,wire, ,technical,targets,are,completely,conformed,to,National,standard

GB/T15283-1994,and,lntermational,standard,IEC521.

结构特点Structure,feature:

该仪表采用分离式铁芯结构,轴承具有单宝石、双宝石、磁推式、磁悬式四种结构,

外壳采用铝、塑料和玻璃三种,基架由优质铝合金压铸而成,具有良好的机械强度。

The,meter,has,separable,electromagnet,and,the,bearing,has,four,kinds,single-jewel,magnetic,thrust

and,magnetic, ,case,has,three,kinds,aluminum,plastic,and, ,die-casting,frame,is,alloy

aluminum,with,excellent,mechanical,strength.

主要技术参数main,technical,data:

型号Type:DD282,DD283,DD284

精度（级）Accurocy(class):2

额定电压Rated,voltage(v):220-240

额定电流Rated,current(A):

DD282:2(4), (5),3(6),5(10),10(20),20(40),30(60),40(80)

DD283:2(6),3(9),5(15),10(30),15(45),20(60),30(90)

DD284:5(20),3(12),10(40),15(60),20(80)

过载能力Overl0ad,capaciaty:200％Ib,300％Ib,400％Ib

绝缘性能Insulation,current:

工频交流电压2kV,历时1分钟,冲击电压强6kV

AC,voltage,2kV,for,1,minute,impulse,voltage,6kV

外型：

DD28透明塑壳,DD28黑色塑壳,DD28玻璃壳,DD28铝壳