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PS-ZD20T三相绕组电阻测试仪

变压器直流电阻是电力部门在半成品、成品出厂试验、安装、交接试验及预防性试验中必测的项目，是发现变压器线圈选材、焊接、连接松动、断股、断线等制造缺陷和运行后的隐患的有效方法。为了满足快速测量变压器直流电阻的需要，我公司针对YN接线绕组开发了PS-ZD20T三相绕组电阻测试仪。该测试仪可实现三相同时通电、独立电流采样、电压采样、同时测量和显示三相电阻值及三相不平衡率等功能，可大大缩短变压器直流电阻的测试时间，解决了电力变压器每个抽头绕组直流电阻测试时间长的难题，仅需传统方法所需时间的1/3。

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产品卖点介绍

1、显示器：彩色点阵液晶显示屏，显示菜单、测试数据、记录。
2、按钮：用于执行LCD指示的相应功能操作或使整机返回到通电初始状态。
3、测量电流输出端与电压输入端：三通道测量模式下，Ia、Ib，Ic、Io为电流输出、输入通道；Ua、Ub、UC、Uo为电压输入通道。单通道测量模式下，I+、I-为电流输出、输入通道；U+、U-为电压输入通道。
4、电源开关、插座：含整机电源开关，220V交流电源插头（内置5A保护管）。
5、接地：接地棒，用于整机外壳接地，属于保护区。
6、USB接口：仪器与U盘的接口。
7、RS232通讯接口：仪器与上位机的通讯接口。
8、打印机：打印电阻值结果、测试电流等信息。

产品参数

输出电流	自动选择电流（最大20A）
测距能力	0-100 Ω
准确性	±（0.2%+2个字）
最小分辨率	0.1μΩ
工作温度	-20至40℃
环境湿度	≤80%RH，无凝露
高度	≤1000米
工作电源	AC220V±10%、60Hz±1Hz
体积	长 400 毫米 * 宽 340 毫米 * 高 195 毫米
净重	8公斤

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