本試驗(yan)設備可完工羅(luo)馬數字電(dian)子(zi)技術元(yuan)器(qi)件器(qi)材技巧、虛擬仿真電(dian)子(zi)技術元(yuan)器(qi)件器(qi)材技巧和EDA試驗(yan)，非常適(shi)合大、中(zhong)專學(xue)歷高校電(dian)子(zi)技術元(yuan)器(qi)件器(qi)材教學(xue)的試驗(yan)和畢業后規劃。

一、物品作用：

1、該體(ti)系(xi)化(hua)(hua)通(tong)過“cpu（通(tong)常(chang)實驗(yan)室(shi)(shi)(shi)室(shi)(shi)(shi)體(ti)系(xi)化(hua)(hua)）+配(pei)適(shi)板(ban)（保存板(ban)）”的(de)(de)(de)雙組合式構成，配(pei)備靈(ling)活機動，配(pei)適(shi)板(ban)可以選擇配(pei)Altera、Lattice、Xilinx等多間國際上(shang)著(zhu)明的(de)(de)(de)PLD企業大要素ISP或當場配(pei)備的(de)(de)(de)CPLD/FPGA做好和(he)程序編寫保存，包擴(kuo)可對各不相同運轉電壓值(zhi)CPLD/FPGA的(de)(de)(de)和(he)程序編寫，且在和(he)程序編寫中不要做一(yi)點線(xian)接頭(tou)修(xiu)改(gai)即能自然識別(bie)體(ti)統主體(ti)系(xi)化(hua)(hua)上(shang)的(de)(de)(de)集(ji)成ic，的(de)(de)(de)安全安全，最合適(shi)考(kao)生高溶(rong)解度的(de)(de)(de)實驗(yan)室(shi)(shi)(shi)室(shi)(shi)(shi)方法。

2、該整(zheng)體出(chu)示優(you)異的(de)分層額定電壓（MV）兼容的(de)功用，應(ying)有(you)了5V、3.3V、2.5V、1.8V各不相同(tong)芯核額定電壓的(de)CPLD/FPGA功率器件java開發進行下(xia)載(zai)和科(ke)學(xue)科(ke)學(xue)實(shi)驗開發的(de)全(quan)兼容的(de)功用。如此，移動用戶可應(ying)對(dui)單5V的(de)EDA科(ke)學(xue)科(ke)學(xue)實(shi)驗整(zheng)體顯舊擊敗之慮。

3、該系統(tong)軟(ruan)(ruan)件(jian)可(ke)編譯程(cheng)序(xu)PLD元(yuan)元(yuan)功率(lv)器(qi)件(jian)與(yu)檢(jian)測控(kong)制(zhi)器(qi)的(de)(de)接(jie)連(lian)所(suo)有(you)(you)的(de)(de)選取自(zi)主經營連(lian)線(xian)，在PLD元(yuan)元(yuan)功率(lv)器(qi)件(jian)局(ju)限的(de)(de)資源狀態下，明顯裝量的(de)(de)接(jie)連(lian)上盡(jin)可(ke)能的(de)(de)性(xing)多的(de)(de)輸入輸出(chu)元(yuan)元(yuan)功率(lv)器(qi)件(jian)和檢(jian)測控(kong)制(zhi)器(qi)。可(ke)可(ke)以(yi)充(chong)分滿足從容易自(zi)然數電(dian)(dian)源電(dian)(dian)路到有(you)(you)難度自(zi)然數系統(tong)軟(ruan)(ruan)件(jian)的(de)(de)方(fang)案檢(jian)測。且PLD的(de)(de)I/O的(de)(de)資源可(ke)以(yi)建成(cheng)，也可(ke)借力該規劃(hua)(hua)設計系統(tong)軟(ruan)(ruan)件(jian)已(yi)完成(cheng)有(you)(you)關(guan)系規劃(hua)(hua)設計業(ye)務(wu)。

4、EDA實(shi)驗開(kai)發機(ji)(ji)體系(xi)(xi)(xi)上加(jia)強(qiang)了我新(xin)公司的(de)(de)專利權PC工(gong)具(ju)(ju)(ju)“電子(zi)技術實(shi)驗模似演(yan)示講解(jie)體系(xi)(xi)(xi)”摸塊，不錯(cuo)采用(yong)(yong)它小(xiao)編(bian)把些較(jiao)為復(fu)雜的(de)(de)實(shi)驗機(ji)(ji)體系(xi)(xi)(xi)比如(ru)說自動扶梯(ti)操(cao)作(zuo)機(ji)(ji)體系(xi)(xi)(xi)、數控刀庫(ku)操(cao)作(zuo)機(ji)(ji)體系(xi)(xi)(xi)PC工(gong)具(ju)(ju)(ju)化，即把這此(ci)實(shi)驗機(ji)(ji)體系(xi)(xi)(xi)完成PC工(gong)具(ju)(ju)(ju)視頻的(de)(de)形勢，最后(hou)用(yong)(yong)CPLD/FPGA元器件封裝程序編(bian)程來(lai)操(cao)作(zuo)鳥卵，用(yong)(yong)來(lai)到操(cao)作(zuo)事(shi)(shi)實(shi)存在機(ji)(ji)體系(xi)(xi)(xi)的(de)(de)效(xiao)率。不錯(cuo)采用(yong)(yong)這體系(xi)(xi)(xi)小(xiao)編(bian)不錯(cuo)擴(kuo)大(da)十來(lai)個都具(ju)(ju)(ju)有(you)事(shi)(shi)實(shi)價值(zhi)觀(guan)的(de)(de)實(shi)驗，使大(da)學生的(de)(de)實(shi)驗更(geng)相似于事(shi)(shi)實(shi)機(ji)(ji)體系(xi)(xi)(xi)和(he)新(xin)項目的(de)(de)開(kai)發。

5、數電(dian)、模電(dian)特色(se)化工作性白色(se)模塊(kuai)電(dian)源盒(he)(he)(he)體白色(se)形(xing)象直觀(guan)，玻璃采光頂部件(jian)分門別類，盒(he)(he)(he)蓋(gai)印有永遠不(bu)(bu)會變色(se)部件(jian)標(biao)記(ji)，線(xian)(xian)條圖案不(bu)(bu)清美觀(guan)大氣，盒(he)(he)(he)蓋(gai)與盒(he)(he)(he)體采取(qu)壓(ya)卡式型式、維護拆卸非常方(fang)便簡潔，在桌面圖標(biao)中央軍(jun)事通用性九孔電(dian)線(xian)(xian)板就任意拼插盒(he)(he)(he)成工作性電(dian)線(xian)(xian)，工作性非常方(fang)便簡潔、便捷，主動(dong)專(zhuan)業能(neng)力強。

二、技(ji)術水平性能方面：

1、輸出電阻(zu)：討論會(hui)220V±10% 50Hz

2、的溫(wen)度(du)：-10℃～40℃，對(dui)應環境濕度(du)＜85%（25℃）

3、提升裝置存儲量：＜1KVA

4、性能寸尺：1600mm×700mm×1200mm

三、功能性與結構類型：

（一）實驗室臺那(nei)部分(fen):

1、24v電源

1.124v電源(yuan)輸人:工作的電壓降220V±5%(50Hz)，輸人時報(bao)警燈燈亮。

1.224v電(dian)(dian)(dian)的打(da)印傳(chuan)輸：有商(shang)業險絲和漏電(dian)(dian)(dian)確(que)保控制開關(guan)下(xia)級確(que)保基本模(mo)塊。 A組(zu):低壓證(zheng)書(shu)證(zheng)書(shu)交(jiao)(jiao)流(liu)會電(dian)(dian)(dian)阻(zu)值(zhi)3-24V分七檔調節器，的打(da)印傳(chuan)輸電(dian)(dian)(dian)電(dian)(dian)(dian)容式(shi)(shi)流(liu)1.5A。 B組(zu): 二組(zu)相互獨立(li)空間的0-30V交(jiao)(jiao)流(liu)電(dian)(dian)(dian)穩壓24v電(dian)(dian)(dian)，原帶式(shi)(shi)汽車繼電(dian)(dian)(dian)器電(dian)(dian)(dian)線電(dian)(dian)(dian)纜自動式(shi)(shi)換檔，多圈電(dian)(dian)(dian)位(wei)差(cha)器陸(lu)續(xu)調壓，的打(da)印傳(chuan)輸電(dian)(dian)(dian)電(dian)(dian)(dian)容式(shi)(shi)流(liu) 2A，存在設置(zhi)式(shi)(shi)限流(liu)確(que)保基本模(mo)塊。 C組(zu):低壓證(zheng)書(shu)證(zheng)書(shu)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)穩壓24v電(dian)(dian)(dian)，電(dian)(dian)(dian)阻(zu)值(zhi)+5V，+14V。 D組(zu):220V市電(dian)(dian)(dian)的打(da)印傳(chuan)輸，供(gong)朋友備(bei)用實(shi)驗室(shi)設備(bei)利用。

2、額定功率傳(chuan)輸指(zhi)數函數發生(sheng)的器(qi)：

1）采(cai)(cai)(cai)取了(le)直(zhi)觀大數(shu)(shu)子(zi)工(gong)(gong)作(zuo)(zuo)(zuo)工(gong)(gong)作(zuo)(zuo)(zuo)速率合(he)出（DDS）形成高精確正(zheng)弦交(jiao)流(liu)(liu)電(dian)交(jiao)流(liu)(liu)電(dian)函數(shu)(shu)波(bo)(bo)(bo)(bo)(bo)，方(fang)波(bo)(bo)(bo)(bo)(bo)和半(ban)(ban)圓(yuan)(yuan)型波(bo)(bo)(bo)(bo)(bo)。采(cai)(cai)(cai)取了(le)大提示手機屏LCD提示傳輸工(gong)(gong)作(zuo)(zuo)(zuo)工(gong)(gong)作(zuo)(zuo)(zuo)速率、波(bo)(bo)(bo)(bo)(bo)形參數(shu)(shu)，衰減值。 2）正(zheng)弦交(jiao)流(liu)(liu)電(dian)交(jiao)流(liu)(liu)電(dian)函數(shu)(shu)波(bo)(bo)(bo)(bo)(bo)傳輸降幅≥10V,傳輸電(dian)阻(zu)值50Ω，模糊度<1%（0.1HZ-- 1KHz）。 3）工(gong)(gong)作(zuo)(zuo)(zuo)工(gong)(gong)作(zuo)(zuo)(zuo)速率超區(qu)域(yu)內(nei): 0.1HZ~3MHz, 采(cai)(cai)(cai)取了(le)琴鍵(jian)直(zhi)觀發送大數(shu)(shu)子(zi)修(xiu)改工(gong)(gong)作(zuo)(zuo)(zuo)工(gong)(gong)作(zuo)(zuo)(zuo)速率,。 4）傳輸降幅采(cai)(cai)(cai)取了(le)電(dian)勢差(cha)器調理(li)(li)，正(zheng)弦交(jiao)流(liu)(liu)電(dian)交(jiao)流(liu)(liu)電(dian)函數(shu)(shu)波(bo)(bo)(bo)(bo)(bo)傳輸更(geng)具(ju)20db,40db衰減。 5）方(fang)波(bo)(bo)(bo)(bo)(bo)占空比可(ke)調式, 調理(li)(li)超區(qu)域(yu)內(nei)：1%-99%調理(li)(li)；方(fang)波(bo)(bo)(bo)(bo)(bo)和半(ban)(ban)圓(yuan)(yuan)型波(bo)(bo)(bo)(bo)(bo)采(cai)(cai)(cai)取了(le)TTL電(dian)平傳輸。 6）工(gong)(gong)作(zuo)(zuo)(zuo)工(gong)(gong)作(zuo)(zuo)(zuo)速率計更(geng)高測試超區(qu)域(yu)內(nei)100MHz，一鍵(jian)換檔。

3、七段譯碼(ma)器(qi)及(ji)相應的譯碼(ma)信息顯示數字管。

4、EDA檢(jian)測整體(ti)產品機構及配置單：

4.1 先(xian)選(xuan)裝替(ti)換(huan)(huan)卡(ka)物(wu)資(zi)（高配(pei)(pei)(pei)1032試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)） （1）1032試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Lattice我(wo)(wo)司6000門(men)(men)(men)CPLD功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)； （2）EP1K30試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Altera我(wo)(wo)司30000門(men)(men)(men)FPGA功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)； （3）EP1K100試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Altera我(wo)(wo)司100000門(men)(men)(men)FPGA功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)； （4）EP1C6T144試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Altera我(wo)(wo)司150000門(men)(men)(men)FPGA/SOPC功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，帶配(pei)(pei)(pei)備芯 片(pian)(pian)(pian)(pian)：EPCS4（4Mbits），配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)。 （5）EP1C12TQ240試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Altera我(wo)(wo)司300000門(men)(men)(men)FPGA/SOPC功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，帶配(pei)(pei)(pei)備芯 片(pian)(pian)(pian)(pian)：EPCS4（4Mbits），配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)。 （6）PAC10試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Lattice我(wo)(wo)司虛(xu)擬仿真(zhen)仿真(zhen)EDA功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)。 （7）PAC20試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)卡(ka)：Lattice我(wo)(wo)司虛(xu)擬仿真(zhen)仿真(zhen)EDA功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)，配(pei)(pei)(pei)進(jin)行下(xia)(xia)截(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)攬(lan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)。 4．2 芯片(pian)(pian)(pian)(pian)組(zu)產(chan)品物(wu)資(zi) （1）芯片(pian)(pian)(pian)(pian)組(zu)可與(yu)多個進(jin)行下(xia)(xia)截(jie)(jie)板(ban)相替(ti)換(huan)(huan)； （2）8位(wei)動(dong)態圖測試(shi)界(jie)(jie)面(mian)界(jie)(jie)面(mian)表(biao)(biao)現控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （3）12位(wei)變色整流二極管(guan)界(jie)(jie)面(mian)界(jie)(jie)面(mian)表(biao)(biao)現控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （4）8位(wei)二檔旋(xuan)鈕非常電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平指(zhi)示燈(deng)控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （5）8位(wei)啟閉旋(xuan)鈕控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （6）電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子音(yin)樂控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)； （7）16*16 LED點陣界(jie)(jie)面(mian)界(jie)(jie)面(mian)表(biao)(biao)現控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)； （8）128*64 LCD的液(ye)晶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)界(jie)(jie)面(mian)界(jie)(jie)面(mian)表(biao)(biao)現控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)； （9）A/D 0809改(gai)(gai)換(huan)(huan)器(qi)(qi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)； （10）D/A 0832改(gai)(gai)換(huan)(huan)器(qi)(qi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)； （11）掛(gua)鐘(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)波源：24MHZ、12MHZ、6MHZ、3MHZ、1.5MHZ、75OKHZ、65536HZ、32768HZ、16834HZ、8192HZ、4096HZ、1024HZ、256HZ、64HZ、16HZ、8HZ、4HZ、2HZ、1HZ、1/2HZ； （12）MCS-51片(pian)(pian)(pian)(pian)式機(ji)加密控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （13）一(yi)(yi)(yi)名(ming)四相伺(si)服三(san)相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)馬(ma)達(da)控(kong)(kong)(kong)(kong)制(zhi)(zhi)三(san)相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)馬(ma)達(da)； （14）一(yi)(yi)(yi)名(ming)4*4小聯(lian)想小鍵盤(pan)； （15）一(yi)(yi)(yi)名(ming)5V直流變壓器(qi)(qi)三(san)相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)馬(ma)達(da)； （16）要配(pei)(pei)(pei)存貯(zhu)器(qi)(qi)EPROM27256； （17）串(chuan)行A/D改(gai)(gai)換(huan)(huan)TLC549； （18）串(chuan)行D/A改(gai)(gai)換(huan)(huan)TLC5620； （19）一(yi)(yi)(yi)名(ming)RS232音(yin)頻(pin)標(biao)(biao)(biao)(biao)準插(cha)(cha)口協(xie)(xie)議(yi)(yi)； （20）一(yi)(yi)(yi)名(ming)VGA音(yin)頻(pin)標(biao)(biao)(biao)(biao)準插(cha)(cha)口協(xie)(xie)議(yi)(yi)； （21）一(yi)(yi)(yi)名(ming)PS/2（聯(lian)想小鍵盤(pan)、游戲鼠標(biao)(biao)(biao)(biao)）音(yin)頻(pin)標(biao)(biao)(biao)(biao)準插(cha)(cha)口協(xie)(xie)議(yi)(yi)； （22）虛(xu)擬仿真(zhen)仿真(zhen)可程序設(she)計(ji)功(gong)(gong)(gong)率(lv)元(yuan)器(qi)(qi)加密控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)（PAC10、PAC20、PAC80）；(選(xuan)擇) （23）波形(xing)圖遭(zao)受器(qi)(qi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban) （24）電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子試(shi)驗(yan)(yan)(yan)英(ying)(ying)(ying)文(wen)(wen)虛(xu)擬仿真(zhen)仿真(zhen)驗(yan)(yan)(yan)示器(qi)(qi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)控(kong)(kong)(kong)(kong)制(zhi)(zhi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)路(lu)板(ban)； （25）先(xian)選(xuan)裝配(pei)(pei)(pei)加密穩定A/D、D/A改(gai)(gai)換(huan)(huan)控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)；（26）先(xian)選(xuan)裝配(pei)(pei)(pei)加密USB音(yin)頻(pin)標(biao)(biao)(biao)(biao)準插(cha)(cha)口協(xie)(xie)議(yi)(yi)加密控(kong)(kong)(kong)(kong)制(zhi)(zhi)版(ban)塊(kuai)；

5、單(dan)筆電(dian)(dian)電(dian)(dian)磁：每撥(bo)有一(yi)次鈕(niu)子打(da)開工(gong)作輸出(chu)兩個 -電(dian)(dian)電(dian)(dian)磁。

6、外(wai)測交電流二(er)配(pei)電流表：高精度0.5級，3名半數碼式(shi)呈(cheng)現(xian)，在測量範圍：0－999mA。

7、外測交(jiao)流直(zhi)流電(dian)壓(ya)二(er)使用電(dian)壓(ya)表(biao)：的精密度0.5級，3名半數字化(hua)屏(ping)幕(mu)上顯示，校正面(mian)積：0－99V。