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首页 >> 配套类産品 >>實驗設備 >> KJ-2029紫外線加速耐候試驗機

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KJ-2029紫外線加速耐候試驗機

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産品编号 KJ-2029

東莞市科建檢測儀器

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陳濤：13790278052

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一、UV光源特點
1、 UV在設計上完全從用戶使用的角度出發，操作容易、安全可靠。
2、試件安裝厚度可調節，試件按裝快速、簡便。
3、向上旋轉的門不妨礙用戶操作設備，QUV僅占很小的空間。
4、 UV獨到的冷凝系統采用普通自來水就可滿足要求。
5、水的加熱器在容器的下面，不浸泡在水中壽命長，   維護方便。
6、水位的控制是放在QUV的外部，容易監控。
7、設備有腳輪，移動方便，腳輪爲標准配件。
8、電腦編程方便，誤操作和故障自動報警。光強度可編程
9、有幅照度校准器校准可延長燈管壽命（長于1600小時）。
10、有中、英文說明書，查閱方便。
11、分为普通型、光幅照度控制型、喷淋型。
12、工作室尺寸: D×W×H 450×1170×500 单位:mm　

二、符合標准
Ø  ASTM G 153人工加速光老化试验方法,
Ø  ASTM-G154快速紫外老化測試
Ø  ASTM D 4329紫外光老化测试标准
Ø  ASTM D 4799ASTM D 4799-1998 沥青材料加速老化的试验方法(萤光UV和冷凝法)
Ø  ASTM D4587-05涂料紫外老化测试
Ø  GBT 16422.3-2014 塑料实验室光源暴露试验方法

三、箱體制作材料
1、箱體外殼材料： SUS不鏽鋼板噴塑處理。
2、内胆材料： SUS不锈钢板
3、箱蓋材料： SUS不鏽鋼板噴塑處理。
4、紫外線燈管8支,
5、加熱方式爲內膽水槽式加熱，升溫快，溫度分布均勻
6、箱盖为双向翻盖式，开闭轻松自如
7、內膽水位自動補水
8、試樣架由襯墊和伸張彈簧組成，均采用鋁合金材料制成。
9、試驗箱底部采用高品質可固定式PU活動輪
10、排水系統使用回渦型及U型積沈裝置排水
11、試樣表面與紫外燈平面距離爲50毫米且相平行

技術參數

溫度範圍	RT+10℃～85℃	濕度範圍	≥95%R.H
溫度波動度	≤±0.5℃	溫度均勻度	≤±2℃
濕度波動度	≤±2%	濕度均勻度	≤ ±2%
黑板溫度	40℃～65℃	燈管間距離	35mm
樣品與燈管距離	50mm	燈管功率	40W
紫外波長	290nm～400nm(訂貨時說明）	模擬凝露	凝露系統時間可調
紫外光暴露模擬凝露时间范围	0～99小時	支持樣板	150×75(mm)
樣板數量	約40塊	試驗時間	0～9999H 可调
輻照度範圍	≤50w/m2

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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. He therefore consulted with his uncle, the Duke of Cumberland. That prince, to whom age and infirmities seemed to have given a degree of wisdom, declared the offer of the Ministry to Pitt to be the necessary step, and willingly undertook to make it. But knowing that Pitt would not even listen to the proposal without Temple, he dispatched a summons to Stowe for that nobleman, and himself, infirm as he was, went to Hayes, to learn the will of the great commoner personally. Pitt showed himself disposed to accept the office, on condition that general warrants should be declared illegal; that the officers dismissed on account of their votes be restored; and that an alliance with Protestant powers, and especially with Prussia, should be formed, to counterbalance the compact between France and Spain. 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." De Boteler, not caring to continue so uninteresting a subject, discoursed upon other matters; and the business of the morning having concluded, he retired with his guests from the hall. "My lord has heard from the steward that you are an honest tenant, and has directed that any alteration you may require in your tenement shall be attended to, and that the field which lies at the back of your dwelling be added to it without additional rent; and, as it gives me pleasure to encourage the industrious, in any request you may make, my interest shall not be wanting. And now, honest man," added she, with even more suavity, "my lord has a question to ask—it is but a simple inquiry, and I feel assured that a person of such strict probity will not evade it—know you Stephen Holgrave's place of concealment?" As she put the interrogatory, she looked earnestly in the smith's face. HoME yazhouqingsezaixianENTER NUMBET 008crm888.com.cn
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