介質損耗因數測試儀低頻測試(shi)信號電壓(ya)范圍(wei)：10mV—2Vrms電壓(ya)最(zui)小分辨(bian)率:100μV，3位輸(shu)入準(zhun)確度

a）ALC ON 10% x設(she)定電壓(ya) + 2mV

b）ALC OFF 6% x設定電(dian)壓(ya) + 2mV 測試(shi)信號電(dian)流(liu)范圍(wei)：100μA—20mA電(dian)流(liu)最(zui)小分辨率：1μA，3位輸入

準確度

a）ALC ON 10% x設定電流 + 20μA

b）ALC OFF 6% x設定電壓 + 20μA

DC偏置電壓源

電壓 / 電流(liu)范圍：0V—±5V / 0mA—±50mA

分辨率：0.5mV / 5μA

電壓準確度：1% x設(she)定電壓 + 5mV

3.4.4 ISO ON：用(yong)于電感、變壓器加(jia)偏置(zhi)測(ce)試

3.5 AC源內阻

3.5.1 ISO ON：100Ω

3.5.2 ISO OFF：30Ω、50Ω、100Ω可(ke)選(xuan)

3.6 DCR源內阻(zu)：30Ω、50Ω、100Ω可(ke)選

3.7 阻抗測試參數：|Z|, |Y|, C, L, X, B, R, G, D, Q,θ, DCR, Vdc-Idc

3.8 測試(shi)頁面參數顯示：一(yi)組主、副參數；10點列(lie)表掃描

3.9 變壓器測試參數：DCR1(初級，2端), DCR2（次級，2端），M（互感），N，1/N,Phase(相位), Lk(漏(lou)感)，

C(初、次級電容(rong))，平衡測試

3.10 基本測量準確度(du)

3.10.1 阻抗測試參數:0.05%

3.10.2 N:0.1%

3.10.3 校準(zhun)條件

a）預熱時(shi)間：≥30分(fen)鐘；

b）環境(jing)溫度：23±5ºC；

c）信(xin)號(hao)電壓：0.3Vrms-1Vrms；

d）清“0”：OPEN、SHORT后(hou)；

介質損耗因數測試儀低頻

⑷ [SETUP]菜單(dan)鍵：按[SETUP]鍵，進入儀表功能設置和相應的測試設置頁面。

⑸ [SYSTEM]菜單鍵(jian)：按[SYSTEM]鍵(jian)，進(jin)入系統設置頁(ye)面。

⑹ 數(shu)值鍵(jian)：數(shu)值鍵(jian)用(yong)于向儀(yi)器輸入數(shu)據(ju)。數(shu)值鍵(jian)由數(shu)字鍵(jian)[0]至[9]，小數(shu)點[.]和[+/-]鍵(jian)組成。

⑺ [ESC]鍵：退出(chu)鍵。

⑻ [←]鍵：BACKSPACE 鍵。按此鍵刪除輸(shu)入數值(zhi)的最(zui)后一個數字。

⑼ PASS 指示燈：測試(shi)判(pan)斷合格LED 指示

⑽ FAIL 指示(shi)燈：測試判斷不良(liang)LED 指示(shi)

⑾ [RESET]鍵(jian)：按[RESET]鍵(jian),僅在(zai)變壓器自動掃(sao)描(miao)時終止(zhi)掃(sao)描(miao)，其他頁面儀(yi)器不執行任何操作。

⑿ [TRIGGER]鍵(jian)：當儀器觸(chu)發方式設定為 MAN (手(shou)動)模式時，可按(an)該鍵(jian)手(shou)動觸(chu)發儀器。

⒀ [ENTER]鍵：[ENTER]鍵用于終止(zhi)數據(ju)輸入，確認(ren)并保存輸入行(xing)（LCD 最下面一行(xing)）顯示的(de)數據(ju)。

⒁ 測(ce)試端(duan)（UNKNOWN）：四(si)端(duan)測(ce)試端(duan)，用于連接四(si)端(duan)測(ce)試夾具或(huo)測(ce)試電(dian)纜，對被測(ce)件進(jin)行測(ce)量。

電流激勵(Hcur)；電壓(ya)取樣(Hpot)；電壓(ya)取樣低端(Lpot)；

電(dian)流(liu)激勵(li)低(di)端(duan)(Lcur)。機殼接(jie)(jie)地端(duan)：該接(jie)(jie)線端(duan)與儀器(qi)機殼相連(lian)。可以用(yong)于保(bao)護或屏(ping)蔽(bi)接(jie)(jie)地連(lian)接(jie)(jie) 光(guang)標(biao)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian) (CURSOR)：光(guang)標(biao)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)用(yong)于在LCD 顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)的(de)(de)(de)域(yu)和域(yu)之間移動光(guang)標(biao)。當(dang)(dang)光(guang)標(biao)移動到(dao)(dao)某一(yi)域(yu)，該域(yu)在液晶(jing)顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)屏(ping)上以加(jia)亮顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)軟(ruan)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)：六個軟(ruan)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)可用(yong)于選(xuan)擇控(kong)制和參數，每個軟(ruan)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)左(zuo)方都有(you)相應(ying)的(de)(de)(de)功(gong)能(neng)(neng)定(ding)(ding)(ding)(ding)義(yi)(yi)。軟(ruan)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)定(ding)(ding)(ding)(ding)義(yi)(yi)隨顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)不同而改變。記錄(lu)(lu)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)&nbsp;(LOG)：此(ci)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)在MEAS 界面(mian)(mian)(mian)(mian)插入(ru)U 盤(pan)后自(zi)動記錄(lu)(lu)測試數據(ju)，于SYSTEM 保(bao)存系統設(she)置 LCD 液晶(jing)顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)屏(ping)：800x480 彩色TFT LCD 顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)屏(ping)，顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)測量結果(guo)，測量條件等。 電(dian)源開關(POWER)：電(dian)源開關。 [DC BIAS]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)：[DC BIAS]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)用(yong)于允許(xu)或禁(jin)止0-100mA/10V 直(zhi)流(liu)偏(pian)(pian)置電(dian)源輸(shu)出。按(an)(an)(an)(an)(an)[DC BIAS]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，[DCV BIAS]按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)被點亮，表示(shi)(shi)(shi)(shi)(shi)允許(xu)直(zhi)流(liu)偏(pian)(pian)置輸(shu)出；再次(ci)按(an)(an)(an)(an)(an)[DC BIAS]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，[DC BIAS] 按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)熄滅，表示(shi)(shi)(shi)(shi)(shi)禁(jin)止直(zhi)流(liu)偏(pian)(pian)置輸(shu)出。在有(you)些無(wu)法加(jia)DC BIAS 的(de)(de)(de)非(fei)測試畫面(mian)(mian)(mian)(mian)，按(an)(an)(an)(an)(an)此(ci)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)將無(wu)反應(ying)。[KEYLOCK]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)：按(an)(an)(an)(an)(an)[KEYLOCK]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，[KEYLOCK]按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)被點亮，表示(shi)(shi)(shi)(shi)(shi)當(dang)(dang)前面(mian)(mian)(mian)(mian)板按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)功(gong)能(neng)(neng)被鎖定(ding)(ding)(ding)(ding)；再次(ci)按(an)(an)(an)(an)(an)[KEYLOCK]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian), [KEYLOCK]按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)熄滅，表示(shi)(shi)(shi)(shi)(shi)解除(chu)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)盤(pan)鎖定(ding)(ding)(ding)(ding)狀態。如果(guo)口令(ling)功(gong)能(neng)(neng)設(she)置為“ON”，解除(chu)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)盤(pan)鎖定(ding)(ding)(ding)(ding)時需輸(shu)入(ru)正(zheng)確的(de)(de)(de)口令(ling)，否則(ze)無(wu)法解除(chu)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)盤(pan)鎖定(ding)(ding)(ding)(ding)。當(dang)(dang)儀器(qi)受(shou)到(dao)(dao)RS232 控(kong)制時[KEYLOCK]按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)被點亮。再次(ci)按(an)(an)(an)(an)(an)[KEYLOCK]鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian), [KEYLOCK]按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)會(hui)(hui)熄滅，表示(shi)(shi)(shi)(shi)(shi)回到(dao)(dao)本地解除(chu)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)盤(pan)鎖定(ding)(ding)(ding)(ding)狀態。LCR測量功(gong)能(neng)(neng)時，用(yong)于進入(ru)元件測量顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)。主要關于電(dian)容、電(dian)阻、電(dian)感、阻抗測量功(gong)能(neng)(neng)菜單(dan)的(de)(de)(de)起始按(an)(an)(an)(an)(an)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，這部分的(de)(de)(de)功(gong)能(neng)(neng)頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)有(you)（使用(yong)“軟(ruan)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)”選(xuan)擇下(xia)述頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)功(gong)能(neng)(neng)，下(xia)同）：<測量顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)><檔號顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)><檔計數顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)><列表掃描顯(xian)(xian)(xian)示(shi)(shi)(shi)(shi)(shi)>[SETUP]功(gong)能(neng)(neng)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)此(ci)鍵(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)用(yong)于進入(ru)元件測試各設(she)置畫面(mian)(mian)(mian)(mian)。這部分的(de)(de)(de)功(gong)能(neng)(neng)頁(ye)(ye)(ye)(ye)面(mian)(mian)(mian)(mian)有(you)：

<元件測試設(she)(she)置(zhi)(zhi)><用戶校正><極限(xian)設(she)(she)置(zhi)(zhi)><列表設(she)(she)置(zhi)(zhi)>