/10A/20A/40A变压器绕组的直流电阻测试是变压器在交接、大修和改变分接开关后，*的试验项目。在通常情况下，用传统的方法（电桥法和压降法）测量变压器绕组以及大功率电感设备的直流电阻是一项费时费工的工作。
1产品简介
/10A/20A/40A变压器绕组的直流电阻测试是变压器在交接、大修和改变分接开关后，*的试验项目。在通常情况下，用传统的方法（电桥法和压降法）测量变压器绕组以及大功率电感设备的直流电阻是一项费时费工的工作。为了改变这种状况，缩短测量时间以及减轻测试人员的工作负担，本公司开发了直流电阻快速测试仪（以下简称直阻仪）。它采用全新电源技术，具有性能稳定，测量迅速、体积小巧、使用方便、测量精度高，数据重复性好等特点。是测量变压器绕组以及大功率电感设备直流电阻的理想设备。
本产品符合国家标准GB6587-86《电子测量仪器环境试验总纲》及GB6593-86《电子仪器质量检定规则》的要求。
2产品别称
直流电阻速测仪、变压器直流电阻测试仪、变压器绕组直流电阻测试仪、变压器直阻速测仪、变压器直阻快速测试仪、感性负载直流电阻速测仪、感性负载直流电阻快速测试仪、感性负载直流电阻测试仪
3产品特征
1、体积小巧、重量轻。
2、全中文菜单操作，操作简单方便。
3、测量速度快，数据稳定。
4、该直流电阻快速测试仪具有自动放电和放电指示功能，减少误操作，保证设备及人员安全。
5、自带面板式微型打印机，可汉化打印测量结果。
4产品参数
| 项目 | 技术指标及参数 | 备注 |
| 测试电流 | 1A，，10A，20A，40A | |
| 测量范围 | 1A：10mΩ~20Ω | |
| ：2mΩ~4Ω | |
| 10A：500μΩ~2Ω | |
| 20A：100μΩ~1Ω | |
| 50A：50μΩ~400mΩ | |
| 测量准确度 | ±0.2%（满量程） | |
| 数据存储 | 255个 | |
| 显示 | 液晶显示器 | 电阻显示为4½位 |
| 大分辨率 | 0.1μΩ | |
| 电源 | AC 220V±22V，50Hz±2 Hz | 保险管 |
| 大功耗 | 1000W | |
| 工作环境 | 环境温度:0℃~40℃
相对湿度:≤80% | |
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JYR(50A)直流电阻测试仪是变压器制造中半成品、成品出厂试验、安装、交接试验及电力部门预防性试验的必测项目，能有效发现变压器线圈的选材、焊接、连接部位松动、缺股、断线等制造缺陷和运行后存在的隐患。为了满足变压器直流电阻快速测量的需要，公司利用自身技术优势研制了该直流电阻测试仪。该仪器采用全新电源技术，具有体积小、重量轻、输出电流大并且可根据负载大小自动调整等特点。
ZGY20A/40A变压器直流电阻测试仪
ZGY-10A直流电阻测试仪采用了的大规模模数转换集成电路，使测量灵敏度高；数字显示直观清晰；仪器的自动化程度高；具有自动数字调零；对各种误操作有自动保护功能。
直流高压发生器生产商拓普电气恭贺神九顺利返回！仪器适用于电力、铁路、化工、发电厂等部门对氧化锌避雷器、电力电缆、发电机、变压器、高压开关等设备进行直流耐压试验。
三通道直流电阻测试仪 型号:HRF10-ES3080
