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工頻介電常數(shù)及介質(zhì)損耗測(cè)試儀
編號(hào):GD201310250004
規(guī)格:GCSTD-C
測(cè)試頻率:工頻50HZ
GCSTD-C工頻全自動(dòng)介質(zhì)損耗測(cè)試儀
滿足依據(jù)版本國家標(biāo)準(zhǔn)標(biāo)準(zhǔn):GB/T1409-2006 測(cè)量電氣絕緣材料在工頻、音頻、高頻下電容率和介質(zhì)損耗因數(shù)的推薦方法
概述
介損絕緣試驗(yàn)可以有效地發(fā)現(xiàn)電器設(shè)備絕緣的整體受潮劣化變質(zhì),以及局部缺陷等,在電工制造、電氣設(shè)備安裝、交接和預(yù)防性試驗(yàn)中都廣泛應(yīng)用。
抗干擾介質(zhì)損耗測(cè)試儀采用變頻電源技術(shù),利用單片機(jī)和電子技術(shù)進(jìn)行自動(dòng)頻率變換、模/數(shù)轉(zhuǎn)換和數(shù)據(jù)運(yùn)算,達(dá)到抗干擾能力強(qiáng)、測(cè)試速度快、精度高、操作簡(jiǎn)便的功能。
變頻電源采用大功率開關(guān)電源,輸出45Hz和55Hz純正弦波,自動(dòng)加壓,可提供zui高10kV的電壓;自動(dòng)濾除50Hz干擾,適用于變電站等電磁干擾大的現(xiàn)場(chǎng)測(cè)試。
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二、工頻介電常數(shù)及介質(zhì)損耗測(cè)試儀性能特點(diǎn)
A、儀器測(cè)量準(zhǔn)確度高,可滿足油介損測(cè)量要求,因此只需配備標(biāo)準(zhǔn)油杯,和測(cè)試線即可實(shí)現(xiàn)油介損測(cè)量。
B、采用變頻技術(shù)來消除現(xiàn)場(chǎng)50Hz工頻干擾,即使在強(qiáng)電磁干擾的環(huán)境下也能測(cè)得可靠的數(shù)據(jù)。
C、過流保護(hù)功能,在試品短路或擊穿時(shí)儀器不受損壞。
D、內(nèi)附標(biāo)準(zhǔn)電容和高壓電源,便于現(xiàn)場(chǎng)測(cè)試,減少現(xiàn)場(chǎng)接線。
E、儀器采用大屏幕液晶顯示器,測(cè)試過程通過漢字菜單提示既直觀又便于操作。
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三、工頻介電常數(shù)及介質(zhì)損耗測(cè)試儀技術(shù)指標(biāo)
1、測(cè)量范圍:電容值:4 ~ 60000 pF
介損值:0 ~ *
2、zui大誤差:電容精度:±(1.0%×讀數(shù)±1 pF)
介損精度:±(1.0%×讀數(shù)±0.04%)
3、分辨率:電容分辨率:zui小可分辨0.001 pF
介損分辨率:zui小可分辨0.001%
4、高壓輸出:0.5 ~ 10 kV 45Hz和55Hz,電流輸出 ≤200mA
5、低壓輸出:輸出電壓3 ~ 50V 輸出電流3 ~ 30A
6、供電電源:AC 220V ±10%,50Hz或發(fā)電機(jī)供電
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親,請(qǐng)閱讀英文資料哦
The frequency of dielectric constant and dielectric loss tester
Number: GD201310250004
Specification: GCSTD-C
Test frequency: the frequency of 50HZ
GCSTD-C power frequency automatic dielectric loss tester
According to the latest version to meet the national standard: recommended methodological materials at power, audio, high frequency permittivity and dielectric loss factor GB/T1409-2006 measurement of electrical insulation
Summary
Dielectric loss insulation test can effectively find the overall damp deterioration of electrical equipment insulation, and local defects, in electrical manufacturing, electrical equipment installation, acceptance and preventive test was widely used in the.
Anti interference dielectric loss tester adopts frequency conversion power supply technology, automatic frequency conversion, analog / digital conversion and data operation using single chip computer and electronic technology, to achieve strong anti-interference ability, fast test speed, high precision, easy to operate features.
Variable frequency power supply with high power switching power supply, the output 45Hz and 55Hz pure sine wave, automatic pressure, can provide the highest voltage of 10kV automatic filter; 50Hz interference, applicable to substations and other large electromagnetic interference test.
Two, the frequency of dielectric constant and dielectric loss tester performance characteristics
A, the instrument has high measurement accuracy, and can meet the oil dielectric loss measurement requirements, therefore only equipped with standard oil cup, and special test line can realize oil dielectric loss measurement.
B, using frequency conversion technology to eliminate the 50Hz frequency interference, can be measured reliably even in strong electromagnetic interference environment data.
C, over-current protection function, the sample breakdown when short circuit or equipment from damage.
D, containing the standard capacitance and high voltage power supply, convenient field test, reduce the field wiring.
E, the instrument adopts a large screen liquid crystal display, the testing process by Chinese characters menu is intuitive and easy to operate
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Three, the frequency of dielectric constant and dielectric loss tester technical indicators
1, the measurement range: capacitance value: 4 ~ 60000 pF
Dielectric loss value: 0 ~ *
2, the maximum error: capacitor accuracy: ± (1% × reading ± 1 pF)
The accuracy of dielectric loss: ± (1% × reading ± 0.04%)
3, resolution: the capacitance resolution: minimum resolution of 0.001 pF
Resolution: minimum resolvable 0.001% dielectric loss
4, the high voltage output: 0.5 ~ 10 kV 45Hz and 55Hz, the output current is 200mA
5, the low voltage output: output voltage 3 ~ 50V output current of 3 ~ 30A
6, power supply: AC 220V ± 10%, 50Hz or generator power supply