一、WBDG-2000三相電感測試儀產品(pin)概述
無(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)(bu)償電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)是(shi)(shi)滿(man)足電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力系統無(wu)(wu)(wu)功(gong)(gong)(gong)平(ping)衡的(de)重(zhong)(zhong)要(yao)(yao)(yao)設備。近年來(lai)無(wu)(wu)(wu)功(gong)(gong)(gong)問題得到了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)業部門的(de)普遍(bian)重(zhong)(zhong)視,無(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)(bu)償成(cheng)套裝(zhuang)(zhuang)置已大(da)量(liang)(liang)投入配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網運行(xing)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)供給(gei)要(yao)(yao)(yao)求系統有功(gong)(gong)(gong)與無(wu)(wu)(wu)功(gong)(gong)(gong)實時平(ping)衡。因此(ci)(ci),無(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)(bu)償裝(zhuang)(zhuang)置應滿(man)足自(zi)動跟蹤(zong)、實時補(bu)(bu)償的(de)要(yao)(yao)(yao)求,這(zhe)就不可(ke)避免地(di)要(yao)(yao)(yao)頻繁(fan)投、切(qie)無(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)(bu)償電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)組(zu)(zu)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)組(zu)(zu)的(de)投、切(qie)操作(zuo)(zuo),就會產(chan)生過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流與過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓沖擊,引起電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)損(sun)壞(huai)。為保證設備的(de)可(ke)靠性,早期發現電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)缺陷,避免故障擴大(da),需要(yao)(yao)(yao)定(ding)期進行(xing)檢(jian)(jian)測(ce)(ce)(ce)。而(er)(er)在現場(chang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)都是(shi)(shi)成(cheng)組(zu)(zu)并(bing)聯的(de),傳(chuan)統方法是(shi)(shi)將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)匯流排拆除,然后用(yong)老式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)表進行(xing)測(ce)(ce)(ce)量(liang)(liang),由于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)組(zu)(zu)是(shi)(shi)由幾(ji)十至上百個小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)組(zu)(zu)成(cheng),要(yao)(yao)(yao)拆線測(ce)(ce)(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)(liang)的(de)工作(zuo)(zuo)量(liang)(liang)很大(da),而(er)(er)且(qie)經常(chang)拆線會使得螺(luo)絲滑牙或(huo)沒有上緊而(er)(er)留下**隱(yin)患,也容(rong)易造成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)二(er)次(ci)損(sun)壞(huai)。因此(ci)(ci),非常(chang)期望(wang)有一種(zhong)測(ce)(ce)(ce)試儀器(qi)(qi)(qi)不用(yong)拆線就能(neng)測(ce)(ce)(ce)量(liang)(liang)各個小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)(qi)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)(liang),減(jian)輕檢(jian)(jian)修(xiu)人員的(de)負擔,提高檢(jian)(jian)修(xiu)工作(zuo)(zuo)的(de)效率,提高配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網運行(xing)的(de)**性。
針對現場的(de)(de)(de)實際情況(kuang),我公司經過攻關,*終研制(zhi)出(chu)一種利用新試驗方法(fa)進行測(ce)(ce)量的(de)(de)(de)儀(yi)器,這就(jiu)是三相電(dian)(dian)(dian)容電(dian)(dian)(dian)感測(ce)(ce)試儀(yi)。該(gai)儀(yi)器可(ke)以(yi)在(zai)不拆(chai)線(xian)的(de)(de)(de)狀態下(xia)(xia),測(ce)(ce)量成組(zu)并聯電(dian)(dian)(dian)容器的(de)(de)(de)單相電(dian)(dian)(dian)容或各種組(zu)合連接(jie)類型的(de)(de)(de)三相電(dian)(dian)(dian)容器,同時(shi)也能夠測(ce)(ce)量各種電(dian)(dian)(dian)抗器的(de)(de)(de)電(dian)(dian)(dian)感,本儀(yi)器還(huan)能測(ce)(ce)量工(gong)頻狀況(kuang)下(xia)(xia)的(de)(de)(de)電(dian)(dian)(dian)流,該(gai)儀(yi)器接(jie)線(xian)方便,操作簡(jian)單,減輕(qing)了檢修人員的(de)(de)(de)工(gong)作負(fu)擔,大大提高了現場的(de)(de)(de)測(ce)(ce)試效率,為電(dian)(dian)(dian)網的(de)(de)(de)正常(chang)運行提供了**保障。
二、WBDG-2000三相電感測(ce)試儀功能特點
本儀(yi)器可(ke)(ke)在(zai)不(bu)拆(chai)線情(qing)況(kuang)下測量(liang)成組(zu)并(bing)聯電(dian)(dian)(dian)容器的單個(ge)單相電(dian)(dian)(dian)容及同(tong)時測量(liang)各(ge)種(zhong)(zhong)連接類型的三相電(dian)(dian)(dian)容,同(tong)時本儀(yi)器也能(neng)測量(liang)各(ge)種(zhong)(zhong)電(dian)(dian)(dian)抗(kang)器的電(dian)(dian)(dian)感量(liang),還可(ke)(ke)以做(zuo)為工頻(pin)電(dian)(dian)(dian)流(liu)測試儀(yi)使用,一機三用,滿(man)足現場的多種(zhong)(zhong)使用;
測量時本儀器顯(xian)(xian)示測量電(dian)容值(zhi)或電(dian)感值(zhi)的(de)同時還(huan)可(ke)以顯(xian)(xian)示測量的(de)電(dian)壓、電(dian)流、功率(lv)、頻率(lv)、阻(zu)抗、相(xiang)位角(jiao)等數據,以便更好(hao)的(de)分析試(shi)品的(de)好(hao)壞;
儀(yi)器采用240×128大(da)屏幕帶背光的液晶顯示(shi),白天(tian)夜間均能(neng)清(qing)晰觀察,中文菜單提示(shi),操作簡便;
儀器內置大容量非易失性存儲(chu)器:可(ke)存儲(chu)50組測(ce)量(liang)數據;
儀(yi)器內置(zhi)高精(jing)度實(shi)時時鐘功能:可(ke)進(jin)行日期及時間校準;
儀器自(zi)帶(dai)高速微型(xing)熱敏(min)打(da)印機(ji):可打(da)印測量及(ji)歷史數(shu)據(ju);
儀(yi)器試驗電源過流(liu)保(bao)護功能:電源輸出短路不(bu)會損壞儀(yi)器。
三(san)、WBDG-2000三(san)相(xiang)電感測試儀技術指標
輸(shu)出電壓 ~2V, ~20V
輸出電流: ≤10A
測量范(fan)圍
電容:0.1uF~2000uF
電感:0.1mH~10H
電流(liu):1mA~10A
電壓: 0 ~25V
測量精度(du)
電容:±(1%+2字)
電感(gan):±(1%+5字)
電流:±(1%+2字)
電壓:±(1%+2字)
外形尺寸(cun) 350mm×230mm×190mm
儀器(qi)重量 8kg
四、WBDG-2000三相電感(gan)測試儀使用條件(jian)
環境(jing)溫度 -10℃~50℃
環境濕度 ≤85%RH
工作(zuo)電源 AC220V±10%
電源頻率 50±1Hz
儀器功率 200W
五、WBDG-2000三相電感測試(shi)儀面板介紹(shao)
Ua、Ub、Uc、Uo:測試線(xian)電(dian)源電(dian)壓(ya)輸(shu)出(chu)端;
ua、ub、uc、 uo :測試線采樣(yang)電壓(ya)引入端;
Ia、Ib、Ic:電流鉗(qian)接線(xian)引入端;
電(dian)源(yuan)開(kai)關:接通和斷開(kai)交流電(dian)源(yuan);
FUSE : 保(bao)險盒
:儀器接地端子
液 晶 屏:顯示操作提示及(ji)測量數據
鍵(jian) 盤(pan):儀器各種功能的(de)操作
打 印 機:打印各種測(ce)量(liang)數據
六、操(cao)作說明(ming)
當儀(yi)器按要(yao)求接好(hao)測試線(xian)及電源線(xian)后,打開電源開關,液晶顯(xian)示開機(ji)界面,如下(xia)圖(tu):
延時兩三秒(miao)鐘后液(ye)晶顯示(shi)主(zhu)菜單,如(ru)下(xia)圖所示(shi):
如果(guo)需要電容測(ce)試,在主(zhu)菜單畫面(mian)下(xia)(xia),按(an)(an)↑ ↓鍵,選擇(ze) 電容測(ce)試 后,按(an)(an) 確認 鍵,進入電容測(ce)量設定畫面(mian),如下(xia)(xia)圖所示:
在電(dian)容測量界面,按↑ ↓鍵選(xuan)擇(ze)被測電(dian)容類型,按 確認 鍵進入(ru)如(ru)下顯示界面(選(xuan)擇(ze)單相(xiang)電(dian)容):
經過幾秒(miao)鐘時間,顯示測(ce)試結果(guo)如下圖所示:
如果(guo)要打印(yin)數據(ju),請按打印(yin)鍵,存儲(chu)數據(ju)請按F1鍵,如果還需測量同(tong)相電壓下的其他單相電容(rong)(rong),可按返回鍵返回電容(rong)(rong)測試界面(mian),將電流鉗夾到被(bei)測電容(rong)(rong)上,按確(que)認鍵重新測量。
在電(dian)(dian)容(rong)測量界面(mian),如果要測試(shi)(shi)(shi)三相電(dian)(dian)容(rong),首先根據連(lian)接(jie)類型(xing)將所需測試(shi)(shi)(shi)線(xian)連(lian)接(jie)好,請按↑ ↓鍵(jian)選(xuan)(xuan)擇被測三相電(dian)(dian)容(rong)類型(xing),比如如果選(xuan)(xuan)擇三相△型(xing)電(dian)(dian)容(rong)測試(shi)(shi)(shi),屏幕顯(xian)示(shi)(shi)的界面(mian)如下圖所示(shi)(shi):
按 確認(ren) 鍵(jian)進入(ru)如下顯示(shi)界(jie)面:
經過一(yi)段(duan)時(shi)間,顯示(shi)測試結果如下圖(tu)所示(shi):
存儲數(shu)據請按(an)F1鍵(jian)(jian),打印數據請按打印鍵(jian)(jian),按返(fan)(fan)回鍵(jian)(jian)返(fan)(fan)回電容(rong)測試界面,其(qi)他連接類(lei)型的三相電容(rong)測試方(fang)法與上(shang)類(lei)同(tong)。按返(fan)(fan)回鍵(jian)(jian)或復位鍵(jian)(jian)可回到(dao)主(zhu)菜單。
電(dian)感測試(shi)(shi)及電(dian)流測試(shi)(shi)與電(dian)容(rong)測試(shi)(shi)操作(zuo)類(lei)同,不(bu)再重復介紹(shao)。
如果需(xu)要設置(zhi)時間(jian)可按← →及↑ ↓鍵,選中時間(jian)設置(zhi),按確認鍵進(jin)入設置(zhi)界面如下:
按(an)← →改變(bian)光標前后位置(zhi),按(an)↑ ↓鍵(jian)改變(bian)光標處當前值的(de)大小,設置(zhi)完成可按(an)返(fan)回鍵(jian)或復位鍵(jian)返(fan)回主菜單(dan)。
參數(shu)(shu)設置為出廠校準(zhun)時設置,建議客戶不得改(gai)變(bian)其(qi)設置數(shu)(shu)據(ju),否則(ze)會造成測試(shi)數(shu)(shu)據(ju)的不準(zhun)。如果需要(yao)重(zhong)新更改(gai),必須(xu)在本公司技(ji)術人員指(zhi)導(dao)下進行,并且(qie)先要(yao)記錄下更改(gai)前的設定值(zhi),以便(bian)設置失敗時能夠恢(hui)復初始值(zhi)。
如果想查詢(xun)已存(cun)儲(chu)的記(ji)錄,可(ke)在主(zhu)菜(cai)單下(xia)(xia)選擇(ze)查詢(xun)記(ji)錄,按確認鍵(jian)進入顯示如下(xia)(xia):
按↑ ↓鍵查詢(xun)所需記(ji)錄(lu),按打印鍵可打印當前記(ji)錄(lu),如(ru)果要(yao)刪除記(ji)錄(lu),可按F2鍵(jian)(jian)進行刪除,刪除完成(cheng)后(hou)所有記錄均(jun)清零。按返回鍵(jian)(jian)或(huo)復位鍵(jian)(jian)可返回主菜單。
測(ce)試(shi)數據(ju)中各符號的含義:
⑴、I:被測電(dian)(dian)容(抗)器的(de)電(dian)(dian)流(liu)有(you)效(xiao)值(zhi),單位為A(安(an)培);
⑵、U:被測電容(抗)器的電壓有效(xiao)值,單(dan)位為V(伏特(te));
⑶、P:被測電容(抗(kang))器的有(you)功(gong)功(gong)率有(you)效值,單(dan)位為W(瓦);
⑷、F:輸出(chu)電源的當(dang)前(qian)頻率,單位(wei)為Hz(赫茲(zi));
⑸、Rc:被(bei)測電容器的(de)容抗,單位(wei)為Ω(歐姆);
⑹、Rl:被測電抗(kang)器的感(gan)抗(kang),單位(wei)為Ω(歐姆);
⑺、Rz:被測試品的阻(zu)抗,單位為Ω(歐姆);
⑻、C:被測試電容器的電容值,單位為uF(微法);
⑼、Cab:被測三(san)相電(dian)容(rong)器(qi)的(de)AB相電(dian)容(rong)值,單位為uF(微法);
⑽、Cbc:被測三相電(dian)容器的BC相電容值,單位為(wei)uF(微(wei)法);
⑾、Cca:被測三相電容器的CA相電容值,單位為uF(微法);
⑿、Ca:被測(ce)三相(xiang)電容(rong)器(qi)的A相(xiang)電容值,單(dan)位(wei)為(wei)uF(微法(fa));
⒀、Cb:被(bei)測三相電容器的B相(xiang)電(dian)容值(zhi),單位為uF(微法(fa));
⒁、Cc:被(bei)測三相電容(rong)器的C相電容(rong)值,單位為uF(微法);
⒂、Cz:被(bei)測(ce)三(san)相電容器總(zong)的(de)電容值,單(dan)位為uF(微法);
⒃、L:被(bei)測(ce)電抗器的(de)當前測(ce)量(liang)電感值,單位為H(亨(heng));
⒄、Ф:被測試品的電壓與電流之間的相位角,單位為 o(度)
七(qi)、測試接(jie)線
單(dan)相電容的測量:
單相電容測試時,將紅(hong)測試線一(yi)端(duan)接在(zai)Ua、ua上(shang),另一端測(ce)試鉗接在(zai)一條(tiao)母線上(shang),黑測(ce)試線一端接在(zai)Uo、uo上(shang),另一端接在另一條母線(xian)上(shang),鉗形CT輸出線接到(dao)儀器Ia端,鉗形CT夾在與紅測試鉗相連母(mu)線的電容引入端,連線時要注意電流鉗上標有(you)“P”的(de)一端(duan)朝向電(dian)容(rong)方向夾(jia)在(zai)電(dian)容(rong)器上,否則測試的(de)相位角不正(zheng)確。
如果(guo)電(dian)容(rong)器(qi)組有多(duo)個單相(xiang)電(dian)容(rong)需(xu)要(yao)測(ce)試(shi)(shi),可以(yi)在測(ce)試(shi)(shi)完**個電(dian)容(rong)值后按(an)返回鍵,電(dian)壓測(ce)試(shi)(shi)線(xian)不用動,直接將(jiang)測(ce)試(shi)(shi)電(dian)流的電(dian)流鉗(qian)打開然后夾到下一個電(dian)容(rong)上(shang)按(an)確(que)認鍵進(jin)行測(ce)試(shi)(shi),這樣可大大的提高(gao)測(ce)試(shi)(shi)速度(du),這才是本儀器(qi)的*大特(te)色。
(2)三相△型電(dian)容的測量:
圖13是三相(xiang)△形電容(rong)測量接(jie)(jie)線(xian)方法,測量線(xian)由儀器測量輸出端按顏色對應接(jie)(jie)好,將紅色夾子夾在母線(xian)排(pai)A相上、綠色夾子夾在母線B相上,紅色夾子夾在(zai)母(mu)線C上,然(ran)后(hou)將(jiang)三個電流測量線(xian)分(fen)別對(dui)應插在儀器Ia、Ib、Ic上(shang)擰(ning)緊、鉗形傳感器對應(ying)套在高壓電容(rong)器組(zu)A相、B相、C相引(yin)入線上,要注(zhu)意(yi)各鉗型電(dian)流(liu)互感器的方向是否(fou)(fou)正確,否(fou)(fou)則(ze)會造成所(suo)測電(dian)容的相位(wei)角錯(cuo)誤。
(3)三相(xiang)Y型電容的測(ce)量:
三相(xiang)Y型電容與△形聯(lian)接電容器的接線方法一樣,只是(shi)測量時選擇(ze)三相Y型電容測量。這里(li)不(bu)再做具體介紹。
(4)三相Yn型電容的測量:
圖14是(shi)三(san)相Yn型(xing)電容測(ce)量(liang)接線(xian)(xian)(xian)方法,測(ce)量(liang)線(xian)(xian)(xian)由儀器測(ce)量(liang)輸出(chu)端按顏色對應接好,將(jiang)紅(hong)色夾子夾在母線(xian)(xian)(xian)排A相上、綠色夾(jia)子夾(jia)在母線B相上,紅色(se)夾子(zi)夾在母線C上,黑色夾子夾在母線N上,然后將三個電(dian)流(liu)測量線分別對應(ying)插在儀器(qi)Ia、Ib、Ic上擰緊、鉗形(xing)傳感器對應套在(zai)高壓電容器組A相(xiang)、B相、C相引入線上(shang),要(yao)注意各鉗型電流互感器(qi)的(de)方向是否(fou)正確(que),否(fou)則(ze)會造成(cheng)所測電容的(de)相位角(jiao)錯誤(wu)。
(5)三相(xiang)III型(xing)電容的測量:
圖(tu)15為三相Ⅲ型(xing)電容器(qi)測量(liang)(liang)接線(xian)(xian)方法(fa),測量(liang)(liang)線(xian)(xian)由儀器(qi)測量(liang)(liang)輸出端(duan)按顏(yan)色(se)對應插好,將黃色(se)夾子夾在母線(xian)(xian)排A相(xiang)上,將綠色夾子夾在母線(xian)排B相上,將紅色夾子夾在母線排C相(xiang)上(shang),黑色夾子夾在A’線上,將(jiang)A‘B’C‘短接(jie),然后將(jiang)三(san)個電(dian)流測量(liang)線分別(bie)對應(ying)插在儀器Ia、Ib、Ic上擰緊、鉗(qian)形傳感器對應套在高壓電容器組A相、B相、C相引(yin)入線上。
(6)電抗器電感的(de)測量:
電抗器電感測試時,將紅測試線(xian)一端接在(zai)Ua、ua上(shang)(shang),另(ling)一端(duan)測(ce)(ce)試鉗(qian)接在電(dian)抗器一引出端(duan)上(shang)(shang),黑測(ce)(ce)試線一端(duan)接在Uo、uo上(shang),另一(yi)端(duan)接(jie)在(zai)電(dian)抗器另一(yi)引出端(duan)上(shang),鉗形CT輸出線接到(dao)儀器Ia端,鉗形CT夾在與紅(hong)測試(shi)鉗相連(lian)電抗器引出端,連(lian)線時要注意電流鉗上標(biao)有“P”的一端朝向電(dian)(dian)抗器方向夾在電(dian)(dian)抗器上,否(fou)則(ze)測(ce)試(shi)的相(xiang)位(wei)角(jiao)不正確。
八、產品成(cheng)套性:
部 件
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數量
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部 件
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數量(liang)
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電容電感測試(shi)儀(yi)主機
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1臺
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鉗形電流(liu)傳感器
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3個
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測試線
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1套(tao)
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5A保險(xian)管(guan)250V
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2個(ge)
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儀器電源線
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1根
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產品出廠合格(ge)證(zheng)
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1張
|
儀器使(shi)用(yong)說明書
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1本
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接地線
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1條
|
保(bao)修卡
|
1張
|
打印紙
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2卷
|
|
|
裝箱單
|
1張
|
用戶收到儀(yi)器(qi)后,按照(zhao)儀(yi)器(qi)的成套說明,開箱檢(jian)查是否(fou)相(xiang)符,核對上述內容,若發生(sheng)缺少,請立即與本公司聯系。
九、注(zhu)意事項
8.1使用本儀器前請(qing)仔細閱讀使用說明書,檢查(cha)接線無(wu)誤(wu)、接地良好。
8.2高精度電流鉗為本儀(yi)器測量的關鍵(jian)部件,受損后對測試數據有很大的影(ying)響,在使用過程中需謹慎,要輕拿輕放,不能從高空掉落或者(zhe)摔(shuai)碰(peng)。
8.3在測量(liang)完畢(bi)并退出測量(liang)狀態后,關(guan)閉儀(yi)器電(dian)源,方(fang)可進行接線(xian)拆除。
8 .4如出(chu)現無(wu)法解決(jue)的問題(ti),請(qing)及時與本公(gong)司取得聯(lian)系(xi)。
十、售后(hou)服(fu)務(wu)
儀(yi)(yi)器(qi)自購買之日起一(yi)年內,屬產(chan)品質(zhi)量問(wen)題免費包修(xiu)包換,終身(shen)提供(gong)維修(xiu)和技(ji)術服(fu)務(wu)。如發(fa)現儀(yi)(yi)器(qi)有異常情況或故障請與公司及時聯系,以(yi)便為您安排*便捷的處理方案(an)。