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ZX68C+兆歐表標准電阻器

發布日期：2025-01-05
訪問次數：1073
地址：上海寶山

ZX68C+兆歐表標准電阻器中华人民共和国国家计量检定规程《JJG622－97绝缘电阻表（兆欧表）》，用来检定兆欧表而设计的2万兆欧旋转式标准电阻器。它具有阻值调节范围宽，使用方便等优点。与我厂ZX124C型多功能试验箱和CY3型恒速器配套，可对绝缘电阻表的所有项目进行检定

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ZX68C+兆歐表標准電阻器

一、概述
中华人民共和国国家计量检定规程《JJG622－97绝缘电阻表（兆欧表）》，用来检定兆欧表而设计的2万兆欧旋转式标准电阻器。它具有阻值调节范围宽，使用方便等优点。与我厂ZX124C型多功能试验箱和CY3型恒速器配套，可对绝缘电阻表的所有项目进行检定。
二、用途
1、檢定額定電壓爲2500V或低于2500V的各類絕緣電阻表。
2、供各類絕緣電阻表生産或修理中刻劃標度盤。
3、適用于絕緣高阻計的校對或檢定。
4、作高、中阻值標准電阻箱使用。

ZX68C+兆歐表標准電阻器
三、技術指標
1、本電阻器由固定電阻10KM和8只十進盤可調電阻串聯而成，即：1×10KMΩ＋10×(1000M＋100M＋10M＋1M＋100K＋10K＋1K+0.1K）Ω。電阻值調節範圍爲11111.1110MΩ和21111.1110MΩ，小步進值爲100Ω。
2、各十進盤的等級指數和使用電壓或電流（即參考電壓或電流）見表1：
3、殘余電阻值＜0.1Ω，變差＜0.01Ω。
4、环境的参考条件为温度23   ℃，相对湿度40％～60％。
5、环境的标称使用范围为 : 温度     23±5℃，
                         相对湿度 25％～75％。
6、線路對外殼的絕緣電阻＞1×1012Ω。
7、线路对外壳的绝缘强度能承受50Hz正弦波交流电压 5KV，历时1分钟不击穿。
8、本电阻器外形尺寸：490×249×171 mm。
9、重量：＜15kg

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