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GDZZ-3000B+直流電阻測儀

發布日期：2025-01-06
訪問次數：784
地址：上海寶山

GDZZ-3000B+直流電阻測儀是变压器制造中半成品、成品出厂试验、安装、交接试验及电力部门预防性试验的必测项目，能有效发现变压器线圈的选材、焊接、连接部位松动、缺股、断线等制造缺陷和运行后存在的隐患。屏幕采用大屏幕高分辨率液晶显示屏，方便

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GDZZ-3000B+直流電阻測儀

産品介紹

變壓器的直流電阻是變壓器制造中半成品、成品出廠試驗、安裝、交接試驗及電力部門預防性試驗的必測項目，能有效發現變壓器線圈的選材、焊接、連接部位松動、缺股、斷線等制造缺陷和運行後存在的隱患。屏幕采用大屏幕高分辨率液晶顯示屏，方便現場使用，具有中文菜單提示功能，操作簡便直觀，一次接線完成所有直阻測試項目，測試速度快，准確度高，量程寬。

所屬類別：變壓器.發電機測試儀器

參考標准：DL/T845.3-2004，DL/T967-2005

1 对于星型接法且具有中性点引出线的绕组测试，仪器可以采取三相同时测量的方式测试A0、B0、C0相的电阻，节省测试时间。且先测试A0相的数据，再三相同时测试，解决了三相同时测试时中性点引出线电阻不能测试的问题，使测试数据更接近单相测试值。
2 对于Y型和△型的绕组测试，仪器可进行三相自动测试，并折算出三相不平衡率。
3 仪器具有助磁法测试功能，满足现场试验多种需求。并可选配消磁功能。
4 仪器具有反电动势保护、断线保护、断电保护等多种保护功能。
5 仪器测量范围宽，Z高可达50KΩ，精度高。
6 不掉电时钟和日期显示；数据存储方式分为本机存储和优盘存储，其中本机存储可存储测试数据300条；优盘存储数据格式为Word格式，可直接在电脑上编辑打印。
7 热敏打印机打印功能，快速、无声。
8 体积小、重量轻，方便携带使用。

GDZZ-3000B+直流電阻測儀技術參數

附件清單

直阻儀主機	1台
測試導線	1套
電源線	1根
保險管5A	2支
說明書	1
保修卡、合格證	各1份

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The captain gave the order to cast off the lines. Hardly had the echo of his words ceased before the lines had fallen. Then he rang the signal to the engineer, and the great screw began to revolve beneath the stern of[Pg 49] the ship. Promptly at the advertised time the huge craft was under way. The crowd on the dock cheered as she moved slowly on, and they cheered again as she gathered speed and ploughed the water into a track of foam. The cheers grew fainter and fainter; faces and forms were no longer to be distinguished; the waving of hats and kerchiefs ceased; the long dock became a speck of black against the hilly shore, and the great city faded from sight. "But there is danger that you will get tired if we keep on much longer about the sights of Canton, and particularly the shopping part of it. Besides, we want to go out and see what there is in Hong-kong, and perhaps we may run across something new in the Chinese part of the city that we shall want to buy. A good many people say that you can buy Canton goods just as cheaply in Hong-kong as in the city they come from. That may be so; but then it is more satisfactory to get them there and have the pleasure of buying them on the spot. "Let's go back," whispered Lilian, and they turned and retraced their steps. The sight of the lovers sealed their lips. Doctor Allingham struggled for a few moments with a strange sense of bigness wanting to escape. Almost it was a physical sensation; as though the nervous energy in his brain had begun to flow independently of the controls that usually guided it through the channels graven by knowledge and experience. It was Lilian who spoke next, and there was a note of pain in her voice. The steam-engine is the most important, and in England and America best known among motive agents. The importance of steam contrasted with other sources of motive-power is due not so much to a diminished cost of power obtained in this way, but for the reason that the amount of power produced can be determined at will, and in most cases without reference to local conditions; the machinery can with fuel and water be transported from place to place, as in the case of locomotives which not only supply power for their own transit, but move besides vast loads of merchandise, or travel. The first principle to be pointed out in regard to belts, to distinguish them from shafts as a means of transmitting power, is that power is communicated by means of tensile instead of torsional strain, the power during transmission being represented in the difference of tension between the driving and the slack side of belts. In the case of shafts, their length, or the distance to which they may be extended in transmitting power, is limited by torsional resistance; and as belts are not liable to this condition, we may conclude that unless there are other difficulties to be contended with, belts are more suitable than shafts for transmitting power throughout long distances. Belts suffer resistance from the air and from friction in the bearings of supporting pulleys, which are necessary in long horizontal belts; with these exceptions they are capable of moving at a very high rate of speed, and transmitting power without appreciable loss. “Mr. Whiteside—and Jeff?” repeated Larry. Infantry." Now you've torn it. Sometimes there were crises of extraordinary violence when he was with difficulty held down in bed, and these at last wore him out. Towards dawn he fell into a troubled sleep. She opened her lips to protest, but the sound died on them, for he stooped and swept her up in his arms. She slipped her hand to his neck to steady herself, and they went forward again towards the south. Young Ralph Bardon had come into the room, and stood by the door while the last verse was being sung. He was there to give an invitation from his father, for every year the Squire provided the choristers with a mild debauch at Flightshot. Robert had been to several of these, and they glittered in his memory—the laughter and games, the merry fooling, the grand supper table gay with candles. What a joke it had been when someone had given the salt to Rosie Hubble instead of the sugar to eat with her apple pie, and when some other wag had pulled away Ern Ticehurst's chair from under him.... No one thought or spoke or wrote of anything else.[Pg 181] If at meetings Reuben tried to introduce Protection or the Franchise, he was silenced even by his own party. The Scott's Float toll-gate became as important as the Sluice or the Brede River or the Landgate Clock had been in other elections, and nothing, no matter of what national importance, could stand against it. HoME 另类淫荡p ENTER NUMBET 0010www.amigosvr.org.cn
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