高精度分流器

发布日期：2025-06-17 浏览量：417

主要技术参数MAIN TECHNICAL DATA

◆参数范围 Parameter range: 1A~50A/25mV-800mV；

51A~2.5KA/25mV~300mV；

◆准确度等级 Accuracy class:  ±0.05，±0.1，±0.2

◆电阻温度系数 Temperature coefficient:  ±20ppm

◆环境条件Ambient condition:  -40~ +70℃

◆相对湿度Relative humidity: ≤95%

◆耐机械力性能：能承受加速度为70米/秒²及冲击频率每分钟80~120次6小时的运输颠震。

Capacity to wishstad mechanical force: It is capable of withstanding the transport bumping at acceleration of 70m/s² and shock frequency of 80-120 times/mi for 6hr.

◆温升：额定电流下持续2小时温升变化趋于稳定后，额定电流100A以下不超过80℃;额定电流100A以上温升不超过120℃。

Temperature rise:Put in rated current for 2hr, after the temperature rising steady test it: When the rated current less than 100A,the temperature rise should be no more than 80℃;When the rated current more than 100A, the temperature rise should be no more than 120℃.

◆过负载性能:120%额定电流值，2小时。

Over load performance: 120% of rated current for 2 hours.

◆热电势影响:不超过等级指数的50%。

Thermoelectric potential influence: no more than 50% of the index level.

特征FEATURES

◆精度高                    High Precision

◆低温漂                    Low temperature drift    

◆散热好                    Good heat dissipation

◆可靠性强                  High reliability          

◆高过载能力                High overload capability  

◆高稳定性                  High stability            

◆特殊规格可订做            Customizable

◆符合ROHS、REACH要求   ROHS and REACH compliant

应用领域APPLICATION

◆电信通信设备           Telecommunications equipment

◆电动汽车               Electric cars

◆航空航天               Aerospace

◆新能源设备及储能系统   New Energy Equipment and Energy Storage Systems

◆电镀电源               Electroplating Power Equipment

◆仪器仪表               Instrument and meter

◆直流输变电系统         Dc power system

适用标准 APPLICABLE STANDARDS

◆GB/T7676-2017《直接作用模拟指示电测量仪表及其附件》

GB/T7676-2017《Direct acting indicating analogue electrcai measuring instruments and their accessories》

◆Q/GDW11850-2018《直流电能表外附分流器技术规范》

 Q/GDW 11850-2018《Technical specification for the shunt attached to the DC power meter》

◆JJG 1069-2011《直流分流器检定规程》

JJG 1069-2011《Verification Regulation of DC shunt》

◆IEC 61010-1:2001《测量、控制和实验室用的电气设备的安全要求  第一部份： 通用要求》

IEC 61010-1:2001《Safety requirements for electrical equipment for measurement,control,and laboratory use part 1: General Requirements》

◆SJ/T 11363-2006《电子信息产品中有毒有害物质的限量要求》 欧盟：ROHS 2.0   2011/65/EU

SJ/T 11363-2006《Requirements for concentration limits for certain hazardous substances in electronic information products》 European Union ROHS 2.0 《2011/65/EU》