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                                              體積電阻率測試儀絕緣

概述

體積電阻率測試儀絕緣，本儀器主要用于測試絕緣材料的絕緣電阻、體積電阻及表面電阻值，本儀器是一臺通用試驗儀器，只要不超過主機的測試量程，都可以測試，配備不同的電極，適用于橡膠、塑料、薄膜、及粉體、液體、及固體和膏體形狀的各種絕緣材料體積和表面電阻值的測定

技術指標

1、電阻測量范圍： 0.01×10⁴Ω ～1×10¹⁸Ω。

2、電流測量范圍為： 2×10^-4A～1×10^-16A

3、顯 示 方(fang) 式：數字(zi)液晶顯示

4、內(nei)置測(ce)試(shi)電壓： 10V 、50V、100V、250、500、1000V

5、基本準確度：1% (*注)

6、使用(yong)環(huan)境： 溫度：0℃～40℃，相對濕(shi)度<80%

7、機內測試電(dian)壓： 10V/50V/100/250/500/1000V 任(ren)意切(qie)換(huan)

8、供電形式(shi)： AC 220V，50HZ，功耗約5W

9、儀器尺(chi)寸： 285ｍｍ× 245ｍｍ× 120 mm

10、質量： 約2.5KG

因此即使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)燈(deng)海理(li)要維持短路(lu)狀(zhuang)態(tai)到(dao);需婆的(de)時(shi)(shi)間。當短路(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)10變(bian)得(de)基本恒(heng)定(ding)(ding)(ding)(ding)時(shi)(shi)（可能需要幾小(xiao)(xiao)時(shi)(shi)），然后加(jia)上規定(ding)(ding)(ding)(ding)的(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓并同(tong)(tong)時(shi)(shi)開始計時(shi)(shi)，使用一個(ge)固定(ding)(ding)(ding)(ding)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)化時(shi)(shi)間如1min后的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值來(lai)計算體(ti)積電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率。中(zhong)規定(ding)(ding)(ding)(ding)不同(tong)(tong)的(de)精(jing)確度。定(ding)(ding)(ding)(ding)時(shi)(shi)間內(nei)進襯測(ce)量。溫度下測(ce)試電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)。質穩定(ding)(ding)(ding)(ding)狀(zhuang)態(tai)。為此，通(tong)過(guo)測(ce)量；的(de)靈(ling)斐到(dao)符合要求，同(tong)(tong)時(shi)(shi)匝小(xiao)(xiao)于(yu)ci花'電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)穩定(ding)(ding)(ding)(ding)值「，或者小(xiao)(xiao)玨化100min的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。§短路(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)變(bian)化，施加(jia)規定(ding)(ding)(ding)(ding)的(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓，測(ce)定(ding)(ding)(ding)(ding)試樣表面的(de)兩個(ge)測(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)［圖lb）中(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)1和2］間的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)。應(ying)在1min的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)化時(shi)(shi)間后測(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)，即使在此時(shi)(shi)間內(nei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)還沒有達到(dao)穩定(ding)(ding)(ding)(ding)的(de)狀(zhuang)態(tai)。pv……體(ti)積電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率,單(dan)位為歐姆(mu)米（。Rv--按10.2測(ce)得(de)的(de)體(ti)積電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)，單(dan)位為歐姆(mu)（。

A——被(bei)保護(hu)電極(ji)的(de)有效(xiao)面積(ji),單(dan)位(wei)為平方米（m。h試樣(yang)的(de)平均厚(hou)度，單(dan)位(wei)為米（m）［或厘(li)米（cm）］。ps——表(biao)面電阻(zu)(zu)率，單(dan)位(wei)為歐姆（。Rs——按10.3規定(ding)而(er)測得(de)的(de)表(biao)面電阻(zu)(zu)，L——特定(ding)使用電極(ji)裝置中被(bei)保護(hu)電極(ji)的(de)有效(xiao)周長，單(dan)位(wei)為米（m）［或厘(li)米（cm）］；w——兩電極(ji)之間的(de)距(ju)離，單(dan)位(wei)為米（m）［或厘(li)米（cm）］。

體積電阻率測試儀

體積電阻率測試儀