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首页 >> 配套类産品 >>實驗設備 >> KJ-626光電霧度儀

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KJ-626光電霧度儀

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産品编号 KJ-626

東莞市科建檢測儀器

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陳濤：13790278052

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光電霧度儀適用于一切透明、半透明平行平面樣品（塑料板材、片材等）透光率、霧度的測試、液體樣品（水、飲料等）的濁度或澄明度測定。技術設計符合GB2410-80，ASTMD1033-61（1997），JISK7105-81等標准。采用微機自動操作，使用方便、可同時顯示透光率、霧度值。適合科研單位、高等院校、塑料制品、包裝薄膜、塗料、油墨等行業使用。

一、光學系統

系統方式	准直照明、漫射視野、積分球接收方式
樣品尺寸	入窗Ø25mm出窗Ø21mm
光源	C光源（DC12V6W鹵鎢+色溫片）
接收器	矽光電池+視見函數修正片（符合V（入）標准值）
電子系統	LED數碼顯示
最小讀數	透光率0.1% 雾度0.1%

二、測量範圍

读数	透光率 0-100.0% 雾度 0-30.00%
样品	闭式样品舱，樣品尺寸50*50mm
儀器尺寸	470×270×160mm
儀器淨量	7kg
电源	220V 22V 50Hz单相
環境條件	10-30oC
預熱時間	10min
准確度	透光率1.5% 雾度H≦0.5%
重複性	透光率0.5% 雾度H≦0.5

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Mrs Keeling’s powers of intuition could make nothing of this. Starting with the firm conviction that Mr Silverdale had proposed to her daughter, there seemed no place where it would fit in. CHAPTER XIII. "At times," said Lieutenant Durand. "I shall be with you in a moment." "She has outgrown this work," I insisted. "But the streets and houses?" hazarded Allingham, "aren't they like ours?" Considered as means for transmitting power, the contrast as to advantages and disadvantages lies especially between belts and gearing instead of between belts and shafts. It is true in extreme cases, such as that cited at Crewe, or in conveying water-power from inaccessible places, through long distances, the comparison lies between belts and shafts; but in ordinary practice, especially for first movers, the problem as to mechanism for conveying power lies between belts and gear wheels. If experience in the use of belts was thorough, as it is in the case of gearing, and if the quality of belts did not form so important a part in the estimates, there would be but little difficulty in determining where belts should be employed and where gearing would be preferable. Belts are continually taking the place of gearing even in cases where, until quite recently, their use has been considered impracticable; one of the largest rolling mills in Pittsburg, Pennsylvania, except a single pair of spur wheels as the last movers at each train of rolls, is driven by belts throughout. By placing the axes of tangent gearing so that the threads or teeth of the pinions are parallel to the face of the driven teeth, [53] as in the planing machines of Messrs Wm. Sellers & Co., the conditions of operation are changed, and an interesting problem arises. The progressive or forward movement of the pinion teeth may be equal to the sliding movement between the surfaces; and an equally novel result is, that the sliding action is distributed over the whole breadth of the driven teeth. On that day I saw for the first time in Belgium German sailors and marines, and even an admiral and some officers. At that time the appearance of the naval men gave the newspapers much room for conjectures; it was found later that they were to be used in the attack on Antwerp, and afterwards had the task allotted to them of occupying the sea-board. V. prefer going to Sallie's, but Julia asked me first, so if I The Reverend Taylor gradually became aware that the air was very bad. He laid down the newspaper and looked round. The circumstance sank deeply into the mind of the king, and, resenting especially the conduct of Grenville—who had acted as though he held a monopoly of office,—he determined to be rid of him. 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This was asking a great deal; but Pitt demanded more in the particulars of appointments,[187] namely, that Pratt, who had opposed the Court so decidedly as regarded Wilkes and general warrants, should be Lord Chancellor, and he opposed the Court desire that the Duke of Northumberland should be at the head of the Treasury. Pitt, moreover, designed the Treasury for Temple. But, when Temple arrived, he refused to take office at all. The fact was that just now he was making a reconciliation with his brother, Grenville, and was averse from throwing him overboard. So far from joining Pitt, he was on the verge of another breach with him. Pitt, disconcerted by this repulse, with a weakness to be deplored in so great a man, refused to accept the offer to form a ministry at all. "Yes. Let's talk to the conductor and engineer." 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