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        1. 上海乾思生物科技有限公司
          中級(jí)會(huì)員 | 第16年

          18916423352

          細(xì)胞庫(kù)
          優(yōu)勢(shì)品牌
          Encapsula NanoSciences Quidel Bioporto Salimetrics Research Products International Corp Quanta BioDesign Peninsula Laboratories International Golden West Diagnostics Ocean NanoTech HaemoScan affinitybiologicals Cytodiagnostics Innovagen AB CLIAwaived Svar Abbexa ABMgood AffinityImmuno AGScientific AHF analysentechnik AG Alomone 英國(guó)Antibodies AstaTech Avidity Badrilla BioAcademia Biomatik Biosynth BioTeZ Biotrend Calbiotech CaroteNature Cell Sciences Click Chemistry Tools Cohesion Biosciences CordenPharma Cosmo Bio Creative Biomart Crystal Chem Crystalgen Diagnovum DiaMetra Dianova Diatheva Eagle Manufacturing Echelon Biosciences Edgebio Emfret Epoch Life Science Equitech-Bio Eramask Euro Diagnostica Exocell Fine Science Tools GenwayBio Giotto Biotech Glen Research Glycosynth Gold Biotechnology Golden West Biologicals Haemtech(HTI) Herolab IHC WORLD ImmuChrom GmbH Immunostep Immunotools Immunovision INCELL Corporation Innovative Research Innovrsrch(IRA) Insitus Iris Biotech GmbH Isosep IST Engineering Inc J.G. Finneran Kainos Kamiya Biomedical Labor Diagnostika Nord Larodan Laysanbio Lc laboratories Lee BioSolutions LGC Biosearch Technologies Lifecore List Labs lumiprobe Macrocyclics Medix Biochemica Meridian Life Science Microbix Milenia Biotec Moscerdam Mybiosource Nanoimmunotech Nanoprobes Neuro Probe Paratechs Physitemp Polypure Polysciences Probetex Progen ProScience Inc ProSpec QAbio Qorpak Quanta BioSciences QuickZyme RevMAb Biosciences SCHMIDT BioMedTech Seven Hills Foundation Smartox Biotechnology Spherotech Surgimax Swant SYSY Ted Pella Torpac Trilink USBio VIDIA Ltd ViroStat Virusys VP-scientific Xcessbio XENOMETRIX Zeptometrix ZYTOVISION
          自產(chǎn)ELISA試劑盒,試劑盒
          進(jìn)口ELISA試劑盒
          人細(xì)胞,人細(xì)胞系,人細(xì)胞株
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          細(xì)胞株,細(xì)胞系,傳代細(xì)胞
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          抗體庫(kù),小包裝,流式抗體
          SIGMA現(xiàn)貨,SIGMA代理

          電子秤的檢修方法

          時(shí)間:2011/11/16閱讀:719
          分享:

           檢修人員必須具備一定的電子技術(shù)和數(shù)字電路知識(shí),全面了解電子秤的基本工作原理、性能,并能熟練掌握電子秤的操作。維修人員在動(dòng)手檢修前,首先要了解故障現(xiàn)象和使用情況,例如:現(xiàn)場(chǎng)情況、環(huán)境條件、有無(wú)超重現(xiàn)象,秤體和儀表是否有碰撞、外傷,故障現(xiàn)象及發(fā)生時(shí)間等等,還要做一些外觀檢查,目的是縮短檢修時(shí)間。檢修時(shí)一般可根據(jù)故障現(xiàn)象,用聽(tīng)、嗅、看、摸、鍵操作等方法進(jìn)行,使電子秤帶電工作狀態(tài),按正常使用進(jìn)行檢查。

          聽(tīng):秤在工作時(shí)是否有異常響聲,有無(wú)報(bào)警聲,響聲是否有規(guī)律;
          嗅:電子秤是否有異常氣味,如變壓器、引線、元件、印制板等因電路發(fā)熱,燒壞等原因,可能發(fā)出很大的異味;
          看:顯示器顯示狀態(tài),是否有提示,外觀是否有損傷。各連接件是否可靠;
          操作電子秤各功能是否正常,按鍵是否靈活、有效;
          拆開(kāi)機(jī)蓋,觸摸集成電路和元器件,感覺(jué)溫度是否過(guò)高,對(duì)可疑器件可用好器件直接替代,此法對(duì)整機(jī)電流過(guò)大的故障特別有效。
          儀器檢查是在以上檢查的基礎(chǔ)之上,縮小檢查范圍,利用儀器對(duì)故障部位電壓、電流進(jìn)行檢測(cè),分析判斷找出故障點(diǎn)或損壞的器件。
          注:在未接通儀表和秤體信號(hào)時(shí),打開(kāi)電源檢查儀表,某些功能不起作用是正常的,遇此情況要注意,不要誤判鍵功能故障。

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