一、产品介绍
DY220双钳智能相位伏安表是一款专为现场测试的多功能智能仪表,由主机、电流钳(2把)、测试线(4条)等组成。主机采用3.5寸真彩液晶屏,图形菜单界面显示,所测参数同屏显示,一目了然。电流钳 手柄设计,便于操作,非常适用于排线密集的场所。仪表可以在被测回路不开路的情况下,同时测量两路交流电压、电流、电压间相位、电流间相位、电压电流间相位、频率、有功功率、无功功率、视在功率、功率因数,判别变压器接线组别、感性、容性电路,测试二次回路和母差保护系统,读出差动保护各组CT之间的相位关系,检查电度表的接线正确与否,检修线路设备等,为用电检查人员提供一种 、准确、便捷的智能仪表。适用于电力、石油化工、冶金、铁路、气象、工矿企业、科研院校、计量部门等。尤其适用于电能计费系统及继电保护系统。
仪表配有UDYB接口,可存储99组数据,通过系统软件上传所存数据到电脑,实现历史数据读取、查询、保存、报表、打印等。
二、产品功能
相位、电压、电流、频率、相序测试
有功、无功、视在功率、功率因数测试
变压器接线组别、感性、容性电路判断
三、产品特点
1、尖嘴电流钳,非常适合于排线密集的场所
2、二次计量单位专用仪表
3、3.5寸真彩液晶显示屏
4、精美图形菜单
四、技术指标
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功 能
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同时测量两路交流电压、电流、电压间相位、电流间相位、电压电流间相位、频率、有功功率、无功功率、视在功率、功率因数,判别变压器接线组别、感性、容性电路,测试二次回路和母差保护系统,读出差动保护各组CT之间的相位关系,检查电度表的接线正确与否,检修线路设备等
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电 源
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DC 7.4V大容量可充锂电池,UDYB充电接口,充满电连续工作约10小时
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钳口尺寸
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φ7.5mm×13mm
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量 程
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相位:0.0°~360°;交流电压:0.00V~600V;交流电流:0.0mA~20A;频率:45.00Hz~65.00Hz;
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有功功率:0.0W~12kW;无功功率:0.0W~12kVAR;视在功率:0.0W~12kVA;功率因数:-1~+1
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分 辨 率
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相位:0.1°;电压:AC 0.01V;电流:AC 0.1mA;频率:0.01Hz;
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有功功率:0.1W;无功功率:0.1VAR;视在功率:0.1VA;功率因数:0.001
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精 度
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相位:±1°(注:工作条件下的相位误差:10mA~20A为±3°;10mA以下±6°);电压:±(0.5%量程);电流:±(0.5%量程);频率±(1.0%量程)
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有功功率±(1.0%量程);无功功率±(1.0%量程);视在功率±(1.0%量程);功率因数±0.03
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数据存储
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99组
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数据保持
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测试中按HOLD键保持数据,“HD”符号显示
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自动关机
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开机约15分钟后,仪表自动关机,以降低电池消耗
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背光功能
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有,适合昏暗场所及夜间使用
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仪表质量
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主机:550g(带电池);电流钳:185g×2;测试线:250g;总质量:1.8kg
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工作温湿度
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-10℃~40℃;80%Rh以下
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存放温湿度
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-10℃~60℃;70%Rh以下
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输入阻抗
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测试电压输入阻抗为:1MΩ
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耐 压
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仪表线路与外壳间耐受1000V/50Hz的正弦波交流电压历时1分钟
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绝 缘
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仪表线路与护套外壳之间≥100MΩ
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结 构
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双重绝缘,带绝缘防振护套
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适合安规
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IEC61010-1 CAT Ⅲ 600V,IEC61010-031,IEC61326,污染等级2
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基本配置
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仪表1台;仪表箱1个;电流钳2把;测试线4条;电池1个;说明书保修卡合格证1份
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