DER-4B罐內涂膜完整性(xing)測定儀
專(zhuan)業(ye)適(shi)用于金屬食(shi)品飲料三片罐(guan)、二(er)片罐(guan)和易開蓋罐(guan)等金屬罐(guan)涂膜的完整性測試。 |
DER-4B罐(guan)內涂膜(mo)完(wan)整性(xing)測(ce)定(ding)儀是針對金(jin)屬食品罐(guan)和易開蓋內涂膜(mo)的(de)完(wan)整性(xing)(缺陷電流)這一重要質(zhi)量指標測(ce)定(ding)而設計制造。儀器由主機和測(ce)試架兩部分組成,質(zhi)量可靠,操作(zuo)簡便(bian)。
儀器具有多種測試模式可(ke)供用(yong)戶(hu)(hu)選擇,自(zi)檢模式用(yong)戶(hu)(hu)可(ke)判(pan)斷整個系(xi)統連接是否正常,反壓(ya)模式可(ke)使電(dian)壓(ya)極(ji)性反置,會令金(jin)屬外(wai)漏位置產生氣泡,便于發現與(yu)確(que)定缺陷部位。儀器具有超量程自(zi)動報(bao)警與(yu)電(dian)路(lu)保護…
儀器主機采用觸摸屏顯示,可顯示測量電壓、電流值、測試狀態、測試結果并可保存測量數據。
專業技術 |
儀器(qi)觸摸屏控制,操作簡(jian)單自動化(hua)程度高,可(ke)保存數據1000條并可(ke)導出(chu)到U盤在電腦EXCEL查(cha)看。
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測(ce)試原理 |
儀器的(de)(de)兩個電(dian)(dian)(dian)極(ji)分(fen)別與電(dian)(dian)(dian)解液和罐(guan)體(ti)外壁接(jie)觸并(bing)(bing)連(lian)通形成電(dian)(dian)(dian)流通路(lu),當給(gei)兩個電(dian)(dian)(dian)極(ji)施(shi)加正向電(dian)(dian)(dian)壓之(zhi)后,電(dian)(dian)(dian)路(lu)中(zhong)(zhong)形成電(dian)(dian)(dian)流,電(dian)(dian)(dian)流值(zhi)的(de)(de)大小與電(dian)(dian)(dian)阻成反(fan)比,該電(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)阻與罐(guan)體(ti)內壁涂膜完(wan)(wan)整(zheng)(zheng)性相關,涂膜完(wan)(wan)整(zheng)(zheng)性愈好(hao),電(dian)(dian)(dian)路(lu)阻值(zhi)愈大,電(dian)(dian)(dian)流值(zhi)愈小,反(fan)之(zhi),涂膜完(wan)(wan)整(zheng)(zheng)性不良有缺(que)陷(xian),電(dian)(dian)(dian)路(lu)中(zhong)(zhong)電(dian)(dian)(dian)流值(zhi)就愈大,根據電(dian)(dian)(dian)流值(zhi)大小判斷(duan)罐(guan)體(ti)內涂膜完(wan)(wan)整(zheng)(zheng)性是否良好(hao),電(dian)(dian)(dian)流值(zhi)在(zai)(zai)顯示屏上直接(jie)讀取(qu)。當測得的(de)(de)電(dian)(dian)(dian)流值(zhi)超(chao)過(guo)標準值(zhi)時(shi),會自動報(bao)警給(gei)兩個電(dian)(dian)(dian)極(ji)施(shi)加15V反(fan)向電(dian)(dian)(dian)壓,會在(zai)(zai)缺(que)陷(xian)位置(zhi)(金屬(shu)暴露部位)發生劇烈電(dian)(dian)(dian)解反(fan)應(ying)產生氣體(ti),氣體(ti)在(zai)(zai)電(dian)(dian)(dian)解液中(zhong)(zhong)形成大量(liang)氣泡附在(zai)(zai)缺(que)陷(xian)位置(zhi)并(bing)(bing)隨(sui)著(zhu)數量(liang)增多逸出液面(mian),通過(guo)觀察氣泡即可確(que)定罐(guan)內涂膜缺(que)陷(xian)所在(zai)(zai)位置(zhi)。 |
適用標(biao)準 |
該儀器符合國家(jia)標準:GB9106-1994 GBT17590-1998 |
測試應用 |
基礎應用 | 適用(yong)于兩(liang)片罐內、外(wai)涂膜完整(zheng)性的測試(shi) |
適用于三片罐(guan)內、外涂膜完整性的測試 | |
適用于(yu)金屬(shu)蓋的內、外涂(tu)膜完整性的測(ce)試 |
技(ji)術(shu)指標 |
指標 |
參數 |
測量范(fan)圍 |
0-500mA |
分度值(zhi) |
0.01mA |
測量電壓 |
6.3V |
測量精度 |
±1% |
反(fan)向(xiang)電壓 |
15V |
工作電(dian)源 |
220V |
產品配置 |
標準配置:主機、測試架,一對鱷魚夾子可以檢測金屬罐外涂膜完整性。 |