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。
dd28 single-phase watt-hour meter is a kind of induction meter.which is applicable to measure the rated frequency 50hz and power loss in electrified wire netting.all 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 floating.the case has three kinds;aluminum,plastic and glass.the 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),2.5(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
本产品的加工定制是是,品牌是ck,型号是DD28铝盖,测量范围是10-20,尺寸是140*80*110(mm),电池种类是没有,测量精度是2,电源电压是220(V),用途是家用