一(yi)、概述

HCR3102A變壓器直流電阻測試儀是電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力試(shi)(shi)驗要求中*的(de)檢測(ce)(ce)(ce)(ce)(ce)測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀，取代(dai)(dai)直(zhi)流(liu)(liu)(liu)單、雙(shuang)臂電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋的(de)高精(jing)(jing)度(du)換代(dai)(dai)產(chan)品，5A直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀內部采(cai)用了精(jing)(jing)密的(de)恒流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源處理技術，5A直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀，由四(si)位半LCD液晶(jing)(jing)顯示(shi)測(ce)(ce)(ce)(ce)(ce)量結果，三(san)位半LCD液晶(jing)(jing)顯示(shi)當前環境溫度(du)或(huo)輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值，強光照(zhao)射(she)依然(ran)可以清晰讀數，同時具備(bei)了自動放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)功能，避(bi)免產(chan)生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)弧，5A直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀測(ce)(ce)(ce)(ce)(ce)速(su)(su)快(kuai)(kuai)具有(you)測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)速(su)(su)度(du)快(kuai)(kuai)、精(jing)(jing)度(du)高、抗干擾能力強、體(ti)積(ji)小、不受人為因素影響等(deng)優點(dian)，輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)四(si)檔位手(shou)動快(kuai)(kuai)速(su)(su)調節，測(ce)(ce)(ce)(ce)(ce)量范圍1μΩ-2kΩ，誤差(cha)不超0.2%，5A直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀是測(ce)(ce)(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力變(bian)壓(ya)器等(deng)各種感性負載電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻及(ji)低壓(ya)開關接觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)或(huo)焊縫接口電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻的(de)理想(xiang)測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀，其測(ce)(ce)(ce)(ce)(ce)量速(su)(su)度(du)比電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋快(kuai)(kuai)一百多倍， 5A直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)儀交(jiao)流(liu)(liu)(liu)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)使用，適合現(xian)場(chang)及(ji)惡劣的(de)山(shan)林條件下使用。

二、目的是：

1.檢查繞組內部導線和引線的焊接質量；
2.檢查分接開關各個位置接觸是否良好；
3.檢查繞組或引出線有無折斷處；
4.檢查并聯支路的正確性，是否存在由幾條并聯導線繞成的繞組發生一處或幾處斷線的情況；
5.檢查(cha)層、匝(za)間(jian)有無短路的現象。

三、HCR3102A變壓器直流電阻測試儀技術參數

1、輸出電流  10A、2A、500mA、100mA、10mA、1mA 
2、測量范圍  10A：200μΩ～2mΩ 
              2A: 2mΩ～2Ω 
              500mA：100mΩ～20Ω 
              100mA： 500mΩ～100Ω 
              10mA：2Ω～1kΩ 
              1mA： 100Ω～20kΩ 
3、分 辨 率  0.1μΩ 
4、測量精度 ±(0.2%+2字) 
5、外形尺寸  320mm×245mm×150mm 
6、儀器重量  5kg 

四、使用條件 

環境溫度  -10℃～50℃ 
環境濕度  ≤85%RH 
工作電源  AC220V±10% 
電源(yuan)頻(pin)率  50±1Hz

• JY44直阻電橋
• JY44直流數字電橋
• QJ57B-2數字直流電橋
• 2A直流低電阻測試儀
• 2A數字直流電阻測量儀
• ED0204-（50A）變壓器直流電阻測試儀
• HCR3105A變壓器直流電阻測試儀
• HCR3110A變壓器直流電阻測試儀
• HCR3120A變壓器直流電阻測試儀
• HCR3140A變壓器直流電阻測試儀