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SQJ44數字式直流電橋

發布日期：2025-01-05
訪問次數：838
地址：上海寶山

SQJ44數字式直流電橋是QJ44直流双臂电桥的数字化产品，各种小电阻（例如导线电阻、焊缝电阻、继电器接触器的接触电阻等）的精密测量，也可用来测量工矿企业的配电变压器及中小型电机绕组的直流电阻。本产品采用大规模集成电路和4 1/2位液晶显示器，便携式结构设计，具有读数直观、清晰，测量速度快，体积小，便于携带等特点

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SQJ44數字式直流電橋是QJ44直流双臂电桥的数字化产品，各种小电阻（例如导线电阻、焊缝电阻、继电器接触器的接触电阻等）的精密测量，也可用来测量工矿企业的配电变压器及中小型电机绕组的直流电阻。本产品采用大规模集成电路和4 1/2位液晶显示器，便携式结构设计，具有读数直观、清晰，测量速度快，体积小，便于携带等特点

SQJ44數字式直流電橋

一、概述
过量程指示：过量程时显示0000并闪烁
供電電源：市電AC220V或電池（1號電池六節）
測量速度：每秒2~3次
使用环境：环境温度：5~40℃
相對溫度：≤80%
外形尺寸： 240（深）×320（宽）×160（高）mm
重量：约4kg
二、主要技術指標
本産品的工作原理框圖如下：

量程	測量範圍	分辨力	基本誤差
2mΩ	1μΩ-1.9999mΩ	1μΩ	±（0.5%讀數+0.2%滿度）
20mΩ	1μΩ-19.999mΩ	1μΩ	±（0.2%讀數+0.05滿度）
200mΩ	10μΩ-199.99mΩ	10μΩ	±（0.1%讀數+0.02%滿度）
2Ω	0.1mΩ-1.9999Ω	0.1mΩ	±（0.1%讀數+0.02%滿度）
20Ω	1mΩ-19.999Ω	1mΩ	±（0.1%讀數+0.02%滿度）

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