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SDY892直流系統接地故障測試儀

發布日期：2025-01-02
訪問次數：744
地址：上海寶山

SDY892直流系統接地故障測試儀：具有接地故障点定位查找功能,测量设备的绝缘状况，当绝缘破损，电阻降到规定要求之下时，可以进行绝缘接地查找，找到绝缘破损处，从而进行相应的处理。

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SDY892直流系統接地故障測試儀

概述

SDY892直流接地故障測試儀具有接地故障點定位查找功能,測量設備的絕緣狀況，當絕緣破損，電阻降到規定要求之下時，可以進行絕緣接地查找，找到絕緣破損處，從而進行相應的處理。

SDY892直流接地故障测试仪系统组成：绝缘接地分析仪主机钳形接收器基本原理：信号发生器对被测对象及对地故障电流，之间发射一个 0.1Hz～1000Hz 低频电压信号，在故障点处产生一个泄露电流，接收器接收故障电流，根据故障的大小显示在 LCD上.SDY892直流接地故障测试仪绝缘测试功能可测量、记录设备的绝缘状态 SDY892直流接地故障测试仪数据管理功能配合微机数据处理、可描述设备状态曲线.对设备的绝缘状态动态跟踪.及时发现绝缘缺陷、预测设备绝缘寿命。

SDY892直流系統接地故障測試儀

特點

1.集絕緣測試與故障點查找爲一體。
2.兼有可設置多頻率、多電壓的信號發生器，以便于現場測試。
3.使用方便，可在設備不停電，不甩線，不解線把的情況下實現各項功能。
4.可根據客戶要求定制個性化軟件(包括儀表軟件和管理系統)。
5.對絕緣狀態進行測試分析，趨勢分析和狀態跟蹤。
6.不僅具有絕緣測電阻的功能，還具有回複電壓、吸收系數等測量，以准確反映設備絕緣老化狀態。
7.定位信号频率低，仅为 1Hz，消除容性接地的假象。
8.接收器精度搞，能够准确查找故障。

參數

電壓測量範圍	0.0V～1000V
電阻測量範圍	0.1M～100MΩ
電路漏電流檢測靈敏度	>=1 毫安
測量精度	电压测试：0.1～1000V ±1% 绝缘电阻：0.10MΩ～10.0MΩ ±5% 10.0MΩ～100MΩ ±10%
小分辨率	電壓：0.1V 絕緣電阻：0.01MΩ
大測試靈敏度	<=0.25 MΩ
整機100%測試靈敏度	<=10 千欧
信號輸出	直流 1000V±10% 直流 500V±10 直流 250V±10%
功率消耗	连续工作不小于 4 小时
顯示屏	128*64 点阵图形 LCD
工頻抑制	70db
信號輸出	4～20mA
存儲容量	32K*8bit SRAM
工作溫度	-5℃～40℃
工作濕度	80%R.H
工作電源	10.8V 锂電池（锂電池充电器）
電池	内置 4200mAH 10.8V 锂電池
體積	360260150mm
鉗形互感器孔徑	59 毫米
鉗形互感器開程	66 毫米

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