GCSTD-C工頻全自動介質(zhì)損耗測試儀
滿足標(biāo)準(zhǔn)：GB/T1409-2006 測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*方法
概述
介損絕緣試驗可以有效地發(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)防性試驗中都廣泛應(yīng)用。
抗干擾介質(zhì)損耗測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)行自動頻率變換、模/數(shù)轉(zhuǎn)換和數(shù)據(jù)運(yùn)算，達(dá)到抗*力強(qiáng)、測試速度快、精度高、操作簡便的功能。
變頻電源采用大功率開關(guān)電源，輸出45Hz和55Hz純正弦波，自動加壓，可提供zui高10kV的電壓；自動濾除50Hz干擾，適用于變電站等電磁干擾大的現(xiàn)場測試。
二、性能特點(diǎn)
1、儀器測量準(zhǔn)確度高，可滿足油介損測量要求，因此只需配備標(biāo)準(zhǔn)油杯，和測試線即可實現(xiàn)油介損測量。
2、采用變頻技術(shù)來消除現(xiàn)場50Hz工頻干擾，即使在強(qiáng)電磁干擾的環(huán)境下也能測得可靠的數(shù)據(jù)。
3、過流保護(hù)功能，在試品短路或擊穿時儀器不受損壞。
4、內(nèi)附標(biāo)準(zhǔn)電容和高壓電源，便于現(xiàn)場測試，減少現(xiàn)場接線。
5、儀器采用大屏幕液晶顯示器，測試過程通過漢字菜單提示既直觀又便于操作。
三、技術(shù)指標(biāo)
1、測量范圍：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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GCSTD-C power frequency automatic dielectric loss tester
To meet the 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, performance characteristics
1, 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.
2, using frequency conversion technology to eliminate the 50Hz frequency interference, can be measured reliably even in strong electromagnetic interference environment data.
3, the function of overcurrent protection, short-circuit or breakdown in the sample when the instrument is not damaged.
4, with standard capacitance and high voltage power supply, convenient field test, reduce the field wiring.
5, the large screen liquid crystal display device, the testing process by Chinese characters menu is intuitive and easy to operate.
Three, 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
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