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NAWSL水內冷發電機絕緣電阻測試儀

發布日期：2025-01-06
訪問次數：964
地址：上海寶山

NAWSL水內冷發電機絕緣電阻測試儀于水内冷发电机的测量试验，同时也可用于试验室或现场做绝缘测试试验。输出电流大于25mA。输出电压Z大2500V。内含高精度微电流测量系统、数字升压系统。只需要用一条高压线和一条信号线连接试品即可测量。测量自动进

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産品簡介
NAWSL水內冷發電機絕緣電阻測試儀于水內冷發電機的測量試驗，同時也可用于試驗室或現場做絕緣測試試驗。輸出電流大于25mA。輸出電壓Z大2500V。內含高精度微電流測量系統、數字升壓系統。只需要用一條高壓線和一條信號線連接試品即可測量。測量自動進行，結果由大屏幕液晶顯示，並將結果進行存儲。

産品別名
NAWSL水內冷發電機絕緣電阻測試儀，發電機水內冷內阻測試儀，絕緣電阻測試儀

産品特性
1．采用32位微控制器控制，中英文操作界面，操作方便。
2．自動計算吸收比和極化指數，並自動儲存15秒、1分鍾、2分鍾、10分鍾的每分鍾數據便于分析。
3．輸出電流大，(2500V下輸出大于20mA),短路電流大于20mA。
4．高壓發生模塊采用全封閉技術，內部有保護電阻，安全可靠。
5．抗幹擾能力強，能滿足超高壓變電站現場操作。
6．測試完畢自動放電，並實時監控放電過程。

産品參數
准确度： ±10%
测量范围： 0.1MΩ～20GΩ
试验电压： 2500V
短路电流： >20mA
测量时间： 1分钟～10分钟（与测量方式有关）
电源： 180～270VAC ,50Hz/60Hz±1% (市电或发电机供电)
工作环境：温度-10～40℃，相对湿度20～80％。

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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.cntaoke.com.cn
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