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PITE3835直流系統接地故障查找儀

發布日期：2025-01-03
訪問次數：845
地址：上海寶山

PITE3835直流系統接地故障查找儀：能快速查找电气线路中的接地、混线等故障，对绝缘状态不好的“虚接地"（虚地电阻可达一兆欧）同样能迅速查找。

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PITE3835直流系統接地故障查找儀

産品概述：

PITE3835直流系統接地故障查找儀能快速查找電氣線路中的接地、混線等故障，對絕緣狀態不好的“虛接地”（虛地電阻可達一兆歐）同樣能迅速查找。

設計特點：

◆ 可以指示接地信号电流方向，快速查找接地短路故障点。

◆ 同时检测线路泄露电流的大小和相位，根据接地故障点前后泄露电流的大小及相位骤变，定位故障点快速准确。

◆ 测试技术，适用于解决1MΩ以上的接地、混线故障。

◆ 采用数字信号处理技术，可以检测线路的接地电阻和分布电容。

◆ 的滤波芯片，可滤除测试信号以外的其他频率的干扰信号，适用于强干扰的现场。

◆ 使用方便，可在设备不停电，不甩线，不解线把的情况下实现各项功能。

◆ 定位信号频率低，低仅为0.5Hz，消除容性接地的假象。

産品功能：

◆接地查找：

專業解決1MΩ以下高阻接地、混線故障，具有泄漏電流方向指示功能，可以在設備不停電、不甩線、不解線把的情況下，快速查找定位故障點。

主機輸出電壓、輸出電流、信號頻率可現場設置：適用于不同電壓等級、分布電容大小不同的各類交直流線路。

主機輸出電流可自動控制，不會造成線路上繼電器誤動作。

◆紋波分析：

具有頻譜分析功能，可以分析線路中工作電流信號或幹擾信號的頻譜，測試時可以避開幹擾信號的頻率，以提高接地查找的准確性，防止幹擾信號對接地查找的影響。

◆數字示波器：

數字示波器功能用來查看記錄檢測信號的波形。

◆數據管理：

在本仪表上可直接查询以前存储的绝缘测试数据，并可以选择查询条件实现快速查询。

技術指標：

項目	參數
輸出電壓	24V~500V
輸出頻率	0.5Hz~325Hz
接地查找靈敏度	≤0.25MΩ
交/直流電路漏電流檢測靈敏度	≥1.0mA
工頻抑制	70dB
輸出電流限制	有
接地電阻測量	有
分布電容測量	有
電流方向指示	無
電流相位測量	無
頻譜分析	無
示波器功能	無
功率消耗	連續工作不小于4小時

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