【正文】 00 0~,0.4,1,4,6,10,16,25,40,60 1級 級 級 徑向 y150T 同上 同上 同上 徑向后邊 y150TQ 徑向前邊 y150Z 軸向無邊 y150ZT 軸向帶邊 彈簧管壓力表 y150 150 同上 同上 徑向 y150T 同上 同上 同上 徑向后邊 y150TQ 徑向前邊 y150Z 軸向無邊 y150ZT 軸向帶邊 真空表 Z150 150 ~0 級 級 徑向 Z150T 徑向后邊 熱工設(shè)備檢修技術(shù)規(guī)范 7 Z150Z 同上 同上 同上 軸向無邊 Z150ZT 軸向帶邊 真空表 yZ150 150 ~0~? 級 級 徑向 yZ150T 同上 同上 同上 徑向后邊 yZ150Z 軸向無邊 yZ150ZT 軸向帶邊 儀表的精度等級以儀表允許的最大基本誤差的百分?jǐn)?shù)數(shù)字部分表示 ,它表 征儀表測量準(zhǔn)確度和靈敏度的高低。 壓力表的工作原理是彈簧管在壓力和真空的作用下，產(chǎn)生彈性變形引起管端位移，其位移通過機(jī)械傳動機(jī)構(gòu)進(jìn)行放大，傳遞給指示裝置，再由指針在刻有法定計(jì)量單位的分度盤上指示出被測壓力或真空量值。 本 規(guī)程 起草單位： 熱工專業(yè) 本 規(guī)程 起草人： 熱工設(shè)備檢修技術(shù)規(guī)范 3 目 錄 1 壓力、流量儀表部分的校驗(yàn)、檢修規(guī)程 .....................................................................................................................6 彈簧 管壓力儀表的校驗(yàn)、檢修和運(yùn)行 ..........................................................................................................................6 電接點(diǎn)水位表檢驗(yàn)、檢修、運(yùn)行 ................................................................................................................................11 流量表、壓力表、水位表的安裝與運(yùn)行 .................................................................................................................. 13 2 差壓、 壓力變送器校驗(yàn)、檢修規(guī)程 ........................................................................................................................... 18 概述 ................................................................................................................................................................................. 18 技術(shù)要求 ......................................................................................................................................................................... 18 檢定條件 ......................................................................................................................................................................... 20 檢定項(xiàng)目和檢定方法 .................................................................................................................................................... 22 變送器的調(diào)校與技術(shù)標(biāo)準(zhǔn) ........................................................................................................................................... 26 變送器的運(yùn)行和維護(hù) .................................................................................................................................................... 26 TW3051 變送器的檢修 ................................................................................................................................................... 27 羅斯蒙特 3051 變送器的檢修 ..................................................................................................................................... 29 噴嘴、孔扳的檢查 ........................................................................................................................................................ 30 3 測溫原件校驗(yàn)、檢修規(guī)程 .............................................................................................................................................. 30 基本檢修與標(biāo)準(zhǔn) ............................................................................................................................................................ 30 數(shù)字儀表檢定規(guī)程 ........................................................................................................................................................ 33 溫度檢測儀表 的檢修規(guī)程 ............................................................................................................................................. 37 工業(yè)玻璃液體溫度計(jì)的檢修與標(biāo)準(zhǔn) ............................................................................................................................ 41 溫度檢測系統(tǒng)的檢修與校準(zhǔn) ........................................................................................................................................ 42 感溫件的安裝質(zhì)量要求 ................................................................................................................................................. 48 4 氧化鋯氧量分析器的檢修和校準(zhǔn) ................................................................................................................................. 49 檢修項(xiàng)目與質(zhì)量要求 ..................................................................................................................................................... 49 調(diào)校項(xiàng)目與技術(shù)標(biāo)準(zhǔn) ..................................................................................................................................................... 50 運(yùn)行維護(hù) .......................................................................................................................................................................... 51 5 絕緣檢查與質(zhì)量要求 ...................................................................................................................................................... 52 絕緣電阻測量的一般要求 ........................................................................................................................................... 52 絕緣電阻的測量條件與標(biāo)準(zhǔn) ....................................................................................................................................... 52 驗(yàn)收 ................................................................................................................................................................................. 54 運(yùn)行維護(hù) ......................................................................................................................................................................... 55 6 控制與測量線路 檢修規(guī)程 ...........................................................................................