、概(gai)述

KTZLC-20A變壓器直流電阻測試儀采用全新電源技術，輸出功率大測試時間超快，所有電流功率器件都采用進口件。公司實行自主研發生產和銷售，杜絕不貼牌。具有體積小、重量輕、輸出電流大并且可根據負載大小自動調整等特點。整機由單片機控制，自動完成自檢、數據處理、顯示、打印等功能，具有自動放電和放電指示功能。

二、安(an)全措施(shi)

1. 使用本(ben)儀器前定(ding)要認真(zhen)閱讀本(ben)手(shou)冊。
2. 儀器(qi)的操(cao)作者(zhe)應具備般電氣設備或儀器(qi)的使用常識。
3. 本(ben)儀器(qi)戶內外均可使用，但應(ying)避開雨淋、腐蝕氣體、塵埃過濃、高溫、陽光直射等場所。
4. 儀表應(ying)避(bi)免劇(ju)烈(lie)振動(dong)。
5. 對(dui)儀(yi)器的維(wei)修、護理和調整(zheng)應由專業人員進行。
6. 測試完畢后定要(yao)等放電(dian)報警(jing)聲停止后再關(guan)閉電(dian)源，拆除測試線。
7. 測量無載調(diao)壓變(bian)壓器，定要等(deng)放電(dian)指示報(bao)警音停止后，切換檔(dang)位。
8. 在測(ce)試過程中(zhong)，禁止移動測(ce)試夾和(he)供電線路(lu)。

三、性(xing)能特(te)點(dian)

1. 儀(yi)器(qi)輸出電流大，測量范(fan)圍寬(kuan)，體積小，重量(liang)輕。
2. 電(dian)流輸出根據所測(ce)阻值的大小自動(dong)調整電(dian)流，使之跳到合(he)適的量(liang)程(cheng)內，避免了(le)電(dian)流選擇不當引(yin)起(qi)的錯誤。
3. 具有完善的保護(hu)電路，可靠性強。
4. 立式機箱結構(gou)，便于現場操作。
5. 具有(you)音響放電(dian)報(bao)警，放電(dian)指示清晰，減少誤(wu)操(cao)作。

四、技術(shu)指標

1.輸出電流：10mA~20A采用恒流源（20A/30V根(gen)據(ju)電(dian)阻自(zi)動選電(dian)流）

量程：  2A(100MΩ-50Ω0.2%±5個(ge)字)(50MΩ-1Ω0.2%±5個(ge)字)20A(1MΩ-200MΩ0.2%±;5個(ge)字) 10MA（100Ω--1000Ω ±0.2%±8個字）

2準確度：0.2%±2個字(zi)

3分辨率： 1μΩ

4工(gong)作溫度(du)：0～40℃

5環境濕度：≤90%RH，無(wu)結露

6 工作電源：AC220V±10%，50HZ±1HZ

7體(ti)積：425×285×270mm

8  重量：9 Kg（不包括測試線(xian)）

揚(yang)州科(ke)拓電氣科(ke)技有限公司主要產品：

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