？礑S-2DE3304W-DE配套三合一防雷器
參數(shù)規(guī)格| 電源 | 網(wǎng)絡(luò)信號(hào) | |||||
| 12V | 220V | 6V | ||||
| 18V | 320V | 20V | ||||
| 接線端子 | 電壓保護(hù)水平 | ＜80V | ||||
| 5KA | ||||||
| 10KA | 傳輸速率 | 插入損耗 | 外殼材料 | |||
| 3mm²及以上多股軟導(dǎo)線 | ||||||
| -40℃~80℃ | ||||||
廠家直銷(xiāo)藍(lán)斯特DSH-2K塑料焊槍
| 保護(hù)等級(jí) | II | |
| 額定電壓 | 220 | V |
| 額定功率 | 1500 | W |
| 頻率 | 50 | Hz |
| 焊接溫度 | 40-650 | °C |
| 熱風(fēng)量 | 10 | m3/h |
| 風(fēng)壓 | 0.04 | MPa |
140DSI35300140DSI35300##140DSI35300
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YDS-35-125金鳳 液氮生物容器貯存型 YDS-35-125
該系列產(chǎn)品容積較大，容器口徑相對(duì)也較大
主要是為需要在靜態(tài)條件下大容量地貯存生物樣本的用戶提供最佳選擇
較大的口徑容器也能滿足科研領(lǐng)域或者機(jī)械加工行業(yè)內(nèi)進(jìn)行深冷處理、深冷裝配的需要
前排左起依次是：YDS-35-125、YDS-35、YDS-47-127后排左起依次是：YDS-120-315、YDS-120-216、YDS-35-200
采用高強(qiáng)度鋁合金制造
DS-120-216、YDS-120-315產(chǎn)品外殼采用旋壓技術(shù)成形
焊縫少，美觀性強(qiáng)，同時(shí)產(chǎn)品的真空漏率更能得到保證
可按用戶需求，另配可帶鎖的防護(hù)蓋，以保護(hù)容器內(nèi)貯存的樣本的安全
（限Φ 50 、Φ 80 、125和Φ 127mm 口徑的容器）
可編號(hào)的提筒，方便辨認(rèn)和獨(dú)立存取貯存的生物樣本
高真空多層絕熱設(shè)計(jì)，提供不低于五年的真空質(zhì)量保證
不能在盛裝液氮后作長(zhǎng)途運(yùn)輸使用或者經(jīng)常性?xún)A倒
液氮生物容器產(chǎn)品結(jié)構(gòu)
1、 頸塞是由絕熱性良好的塑料制成，具有減少液氮蒸發(fā)和固定提筒的雙重作用。內(nèi)膽和外膽之間是高真空，真空腔裝有多層絕熱材料，因此有良好的冷藏性能。
2、 頸管是用環(huán)氧玻璃鋼制成，它具有極低的熱導(dǎo)率，可把從頸管進(jìn)入的外部熱量控制在最低限度。容器由內(nèi)膽、外膽、提筒以及連接內(nèi)外膽的頸管組成。內(nèi)、外
膽是由高強(qiáng)度鋁合金制，堅(jiān)固耐用。
3、在真空部位裝有氣體吸附劑，它能吸附真空腔中金屬或其他物質(zhì)揮發(fā)出的氣體，從而長(zhǎng)期保持高真空。提筒置于液氮中，用來(lái)存放冷凍物品，其上部被頸塞的
小槽和刻度盤(pán)的缺口所固定，保證了運(yùn)輸中穩(wěn)定可靠。
| 參數(shù)名稱(chēng) | 參數(shù)值 |
|---|---|
| 幾何容積（L） | 35.5 |
| 空重（kg） | 15.1 |
| 滿重（kg） | 44.2 |
| 頸管直徑（㎜） | 125 |
| 外徑（㎜） | 473 |
| 高度（㎜） | 690 |
| 靜態(tài)液氮日蒸發(fā)量（L/d） | 0.37 |
| 靜態(tài)液氮保存期（D） | 97 |
| 提筒外徑（㎜） | 97 |
| 提筒高度(單層/雙層)（㎜） | 120/276 |
| 提桶數(shù)量 | 6個(gè) |
| 細(xì)管容量(單層)（0.5ml/0.25ml） | 854×n |
| 細(xì)管容量(雙層)（0.5ml/0.25ml） | 1992×n |
TDS筆,筆式TDS
TDS筆式TDS Mini TDS checker | |||||||||||||
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Ds9113Ds9113電動(dòng)水冷式超高溫蝶閥
電動(dòng)水冷式超高溫蝶閥
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該閥系我公司95年度新產(chǎn)品，并通過(guò)了國(guó)家科委鑒定。該閥采用耐熱鋼，閥板內(nèi)腔通水冷卻．具有耗水量少、耐溫高、使用壽命長(zhǎng)、操作組修方便、轉(zhuǎn)動(dòng)靈活等特點(diǎn)可與各種電動(dòng)執(zhí)行器配套使用，實(shí)現(xiàn)遠(yuǎn)距離控制和自動(dòng)調(diào)書(shū)和切斷，廣泛應(yīng)用干冶金、化工、建材、電站等行業(yè)的超高溫氣體管道中，作為介質(zhì)流量調(diào)節(jié)和切斷使耳。
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http://www.rgvc.cn/grmfa 高爐煤氣蝶閥http://www.rgv0577.com/fangsfa 放散閥http://www.rigao-valve.com/?t=products-list&id=1071 蝶閥系列
DDS228DDS228單相普通家用電表
| 一、概述 DDS228單相電子式電能表（下稱(chēng)電能表）采用美國(guó)ADI 公司的單相電能計(jì)量芯片ADE7755和的SMT及波峰焊接工藝，根據(jù)用戶實(shí)際用電狀況所設(shè)計(jì)、制造的新型電能表。本電能表符合GB/T17215.321-2008《1級(jí)和2級(jí)靜止式交流有功電能表》及IEC1036-1996國(guó)際標(biāo)準(zhǔn)的全部技術(shù)要求。具有良好的抗電磁干擾、低自耗節(jié)電、高精度、防竊電、高過(guò)載、長(zhǎng)壽命的特點(diǎn)。 二、規(guī)格和主要技術(shù)參數(shù) 1、型號(hào)規(guī)格
2、基本誤差限
注：Ib標(biāo)定電流，Imax最大電流。 3、起動(dòng) 在參比電壓，參比頻率及COSφ=1.0的條件下，負(fù)載電流為0.004Ib（1級(jí)）電能表應(yīng)能連續(xù)計(jì)量電量。 4、潛動(dòng) 電壓回路加額定電壓的115%，電流線路中無(wú)電流時(shí)，在規(guī)定時(shí)間內(nèi)儀表的測(cè)試輸出不應(yīng)產(chǎn)生多于一個(gè)的脈沖。 5、電壓范圍 正常工作電壓：0.9Un-1.15Un 極限工作電壓：0.75-1.2Un 6、功耗 電壓線路功耗：≦1W和4VA 電流線路功耗：≦1VA 4.7氣侯條件 正常工作溫度： -35℃～+60℃ 極限工作溫度： -40℃～+70℃ 存貯和運(yùn)輸溫度：-25℃～+70℃ | ||||||||||||||||||||||||||||||||||||||||
WDS系列WDS系列-數(shù)顯式電子萬(wàn)能試驗(yàn)機(jī)-雙臂
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DDS-307便攜式電導(dǎo)率儀/實(shí)驗(yàn)室電導(dǎo)率儀DDS307/現(xiàn)貨
DDS-307便攜式電導(dǎo)率儀/實(shí)驗(yàn)室電導(dǎo)率儀DDS307/現(xiàn)貨
HI98129HI98129多參數(shù)筆式pH/EC/TDS測(cè)定儀
HI98129多參數(shù)筆式pH/EC/TDS測(cè)定儀
概述
HI98129是一款集PH,EC/TDS和溫度測(cè)量為一體的多功能高精度測(cè)試筆！一款儀器即可滿足不同量程多種測(cè)量需求。防水設(shè)計(jì)，大屏易讀數(shù)據(jù)顯示，雙行字幕LCD，自動(dòng)關(guān)機(jī)功能。PH和EC/TDS讀數(shù)為自動(dòng)溫度補(bǔ)償（ATC）。高科技測(cè)試儀配有電極拆卸工具，獨(dú)特的透析膜設(shè)計(jì)可避免鹽和其它物質(zhì)對(duì)電極的污染，延長(zhǎng)儀器的使用壽命？筛鼡Q式電極設(shè)計(jì)，即使PH電極損壞，您也無(wú)需將儀器更換掉。EC/TDS轉(zhuǎn)換系數(shù)和溫度補(bǔ)償系數(shù)（?）都可在設(shè)定范圍內(nèi)選擇？焖、、精確、便攜式的測(cè)試筆集PH，EC/TDS和溫度測(cè)量為一體，可以滿足您的測(cè)量需要！
技術(shù)指標(biāo)
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標(biāo)準(zhǔn)配置
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選購(gòu)附件
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