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工頻介電常數(shù)及介質損耗測試儀

編號：GD201310250004

規(guī)格：GCSTD-C

測試頻率:工頻50HZ

GCSTD-C工頻全自動介質損耗測試儀

滿足依據(jù)版本國家標準標準：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損耗因數(shù)的推薦方法

概述

介損絕緣試驗可以有效地發(fā)現(xiàn)電器設備絕緣的整體受潮劣化變質，以及局部缺陷等，在電工制造、電氣設備安裝、交接和預防性試驗中都廣泛應用。

抗干擾介質損耗測試儀采用變頻電源技術，利用單片機和電子技術進行自動頻率變換、模/數(shù)轉換和數(shù)據(jù)運算，達到抗干擾能力強、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。

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二、工頻介電常數(shù)及介質損耗測試儀性能特點

A、儀器測量準確度高，可滿足油介損測量要求，因此只需配備標準油杯，和測試線即可實現(xiàn)油介損測量。

B、采用變頻技術來消除現(xiàn)場50Hz工頻干擾，即使在強電磁干擾的環(huán)境下也能測得可靠的數(shù)據(jù)。

C、過流保護功能，在試品短路或擊穿時儀器不受損壞。

D、內附標準電容和高壓電源，便于現(xiàn)場測試，減少現(xiàn)場接線。

E、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。

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三、工頻介電常數(shù)及介質損耗測試儀技術指標

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)電機供電

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親，請閱讀英文資料哦

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