礦用通信電纜MHYVR專賣重慶
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本產(chǎn)品適用于以下作短距離配線：一級(jí)配線、二級(jí)配線，并與分線設(shè)備相連;引入建筑物內(nèi)的各分支電纜，即屋內(nèi)配線電纜;沿建筑物墻壁敷設(shè)的電纜，即墻壁配線電纜;架空用配線電纜。 結(jié)構(gòu)型式 1、芯線元件的絕緣厚度：參照GB11327.2-89局用電纜規(guī)定。 2、纜芯組成的絞合形式有： a.纜芯由若干單位絞合而成，或由若干基本單位直接絞合而成。纜芯的推薦結(jié)構(gòu)見表2。 b.單位由若干基本單位或子單位絞合而成。單位分為兩種：50對(duì)單位和100對(duì)單位。 c.單位由若干對(duì)線組絞合而成。基本單位分為兩種：10對(duì)基本單位和25對(duì)基本單位。 d.必要時(shí)，可將若干對(duì)線組絞合成等效于一個(gè)基本單位的若干子單位（扎帶（絲）顏色均與所代替的基本單位相同），再將這些子單位絞合成單位或纜芯。 一．聚氯絕緣和護(hù)套低頻通信電纜HPVV 適用范圍 本產(chǎn)品用于線路的始端和終端，供聯(lián)接市內(nèi)電話電纜至分線箱或配線架之用。也可作短距離布線。 二．聚氯絕緣和護(hù)套低頻通信電纜HPVV使用特性 電纜使用溫度為-10℃～50℃，電纜安裝敷設(shè)時(shí)的溫度應(yīng)不低于0℃。彎曲半徑不小于電纜外徑的10倍。 三．聚氯絕緣和護(hù)套低頻通信電纜HPVV產(chǎn)品型號(hào)、名稱 聚氯絕緣和護(hù)套低頻通信電纜HPVV 四．聚氯絕緣和護(hù)套低頻通信電纜HPVV使用條件： 沿建筑物墻壁敷設(shè)或架空敷設(shè)。 五．聚氯絕緣和護(hù)套低頻通信電纜HPVV產(chǎn)品結(jié)構(gòu)示意圖 1. 對(duì)絞絕緣線芯2.聚酯薄膜3.鋁箔4.縱放銅絲5.護(hù)套 六．聚氯絕緣和護(hù)套低頻通信電纜HPVV規(guī)格范圍 型號(hào)：HPVV 導(dǎo)體直徑：0.5 標(biāo)稱對(duì)數(shù)：5、10、15、20、25、30、40、50、80、100、150、200 備注：電纜允許預(yù)備線對(duì)，其數(shù)量不超過電纜標(biāo)稱對(duì)數(shù)的1%，其各項(xiàng)要求與一般線對(duì)相同。出廠時(shí)合格對(duì)數(shù)不應(yīng)小于標(biāo)稱對(duì)數(shù)。 七．配線電纜HPVV規(guī)格尺寸及重量 規(guī)格 導(dǎo)體直徑 Mm 對(duì)數(shù) 電纜計(jì)算外徑 Mm 計(jì)算重量 Kg/km 5×2×0.5 0.5 5 8.35 78 10×2×0.5 10 10.72 124 15×2×0.5 15 12.99 188 20×2×0.5 20 13.54 222 25×2×0.5 25 15.64 270 30×2×0.5 30 16.11 304 40×2×0.5 40 17.18 372 50×2×0.5 50 19.75 454 80×2×0.5 80 24.39 715 100×2×0.5 100 27.28 864 150×2×0.5 150 31.67 909 200×2×0.5 200 35.31 1540 八．聚氯絕緣和護(hù)套低頻通信電纜HPVV主要技術(shù)性能 1.20℃時(shí)導(dǎo)線直流電阻不大于95.0Ω/km 2.20℃時(shí)絕緣電阻不小于60MΩ﹒km 3.耐壓試驗(yàn)交流電壓500V 50Hz，2min不擊穿。 九．聚氯絕緣和護(hù)套低頻通信電纜HPVV交貨規(guī)定：電纜制造長(zhǎng)度應(yīng)不小于200m。在雙方同意下允許以任何長(zhǎng)度的電纜交貨。 |
幾天前,科學(xué)院福建結(jié)構(gòu)研究所的設(shè)備采購(gòu)公告,將購(gòu)買600 MHZ數(shù)碼超導(dǎo)磁共振波譜儀、表面等離子體共振儀、流式細(xì)胞儀分析儀、桌面x射線粉末衍射、紫外可見\\ \/紫外可見近紅外分光光度計(jì)和其他15套科學(xué)儀器,除了表面等離子體共振儀外,其余14套工具允許采購(gòu)進(jìn)口產(chǎn)品,預(yù)算為1940萬美元。Project name: institute of Chinese academy of sciences, fujian material structure equipment procurement project item number: OITC -g budget amount: 19.4 million yuan (RMB) deadline time: 09:30 bid opening time on June 02, 2016:2016 - June 2nd 09:30 package number, name of goods (\\\/ set) USES a brief technical requirements whether to allow purchasing imported products purchasing budget of ten thousand yuan (RMB), the surface plasma resonance instrument 1 research no 1502 automatic patch clamp system 1 as shown in the technical specifications as shown in the technical specifications of scientific research is a real-time fluorescent quantitative PCR (1 753 research 304 multi-functional protein detector 1 research is as shown in the technical specifications as shown in the technical specification is 705 cell fluorescent inverted microscope 1 research as shown in the technical specifications are 306 flow cytometry yzer research as shown in the technical specification is 1157 high-perbance oscilloscope 1 research as shown in the technical specifications is 1358 spectrometer 1 research as shown in the technical specifications is 409 optical profile meter 1 research as shown in the technical specification is 10510 piv flow field measuring instrument 1 research as shown in the technical specifications are 10511 desktop X-ray powder diffrb 1 research as shown in the technical specifications are 4512 ultriolet\\\/visible ultriolet visible near infrared spectrophotometer 1 research as shown in the technical specifications is 6513 1 research materials comprehensive physical property measurement system as shown in the technical specifications are 40014 mossbauer spectrometer 1 as shown in the technical specifications of scientific research is superconducting nub magnetic resonance (NMR) spectrometer 1 MHz digital research 460 instrumentation is as shown in the technical specifications
