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        什么是裝配式熱電偶?裝配式熱電偶特點有哪些?

        發(fā)布時間:2012-6-25 7:49:20

         

         

        什么是裝配式熱電偶?裝配式熱電偶特點有哪些?裝配式熱電偶工作原理是什么?裝配式熱電偶組成部分有哪些?裝配式熱電偶測量范圍?裝配式熱電偶有幾種類別?裝配式熱電偶安裝形式有哪些?

        工業(yè)用裝配式熱電偶作為測量溫度的變送器通常和顯示儀表、記錄儀表和電子調(diào)節(jié)器配套使用.它可以直接測量各種生產(chǎn)過程中從0℃到1800℃范圍的液體、蒸汽和氣體介質(zhì)以及固體的表面溫度。

        工作原理

        熱電偶的工作原理是:兩種不同成分的導(dǎo)體兩端經(jīng)焊接、形成回路,直接測溫端叫測量端,接線端子端叫參比端。當測量端和參比端存在溫差時,就會在回路中產(chǎn)生熱電勢,接上顯示儀表,儀表上就指示出熱電偶所產(chǎn)生的熱電動勢的對應(yīng)溫度值。熱電偶的熱電動勢將隨著測量端溫度升高而增長,熱電動勢的大小只與熱電偶導(dǎo)體材質(zhì)以及兩端溫差有關(guān),與熱電極的長度、直徑無關(guān)。

        裝配式熱電偶主要由接線盒、保護管、絕緣套管、接線端子、熱電極組成基本結(jié)構(gòu),并配以各種安裝固定裝置組成。

        熱電偶的工作原理是:兩種不同成分的導(dǎo)體兩端經(jīng)焊接、形成回路,直接測溫端叫測量端,接線端叫參比端。當測量和參比端存在溫差時,就會在回路時產(chǎn)生熱電流,接上顯示儀表,儀表上就指示出熱電偶所產(chǎn)生的熱電動勢的對應(yīng)溫度值。

        熱電偶的熱電動熱勢將隨著測量端溫度升高面增長,熱電動熱勢的大小只和熱電偶導(dǎo)體材質(zhì)以及兩端溫差有關(guān)、和熱電極的長度、直徑無關(guān)。

        裝配式熱電偶主要由接線盒、保護管、絕緣套管、接線端子、熱電太組成基本結(jié)構(gòu),閾配以各安裝固定裝置組成。

        應(yīng)用
         
        通常和顯示儀表、記錄儀表、電子計算機等 配套使用,直接測量各種生產(chǎn)過程中01800℃范圍內(nèi)的液體、蒸汽和氣體介質(zhì)以及固體表面 溫度。

        特點裝配簡單、更換方便 壓簧式感溫元件,抗振性能好 測量范圍大 機械強度高,耐壓性能好

         

        溫度測量范圍和允許誤差

        熱電偶類別

        代號

        分度號

        測溫范圍

        允許偏差△t℃

        鉑銠30-鉑銠6

        WRR

        B

        0-1800

        ±1.5℃±0.0025∣t∣

        鉑銠10-鉑

        WRP

        S

        0-1600

        ±1.5℃±0.0025∣t∣

        鎳鉻-鎳硅

        WRN

        K

        0-1300

        ±2.5℃±0.0075∣t∣

        鎳鉻-銅鎳

        WRE

        E

        0-800

        ±2.5℃±0.0075∣t∣

        “t”為感溫元件的實測溫度。

        裝配式熱電偶      

        WRN-120WRN-121,WRN-122,WRN-123WRN-130,WRN-131WRN-132,WRN-133,WRN-220,WRN-221,WRN-222,WRN-223,WRN-230,WRN-231,WRN-232WRN-233,WRN-320WRN-321,WRN-322WRN-323,WRN-330,WRN-331WRN-332,WRN-333WRN-420,WRN-421,WRN-422,WRN-423,WRN-430,WRN-431,WRN-432,WRN-433,WRN-520,WRN-521,WRN-522WRN-523,WRN-530,WRN-531WRN-532,WRN-533,WRN-620,WRN-621,WRN-622WRN-623,WRN-630,WRN-631,WRN-632,WRN-633,WRN-720,WRN-721,WRN-722WRN-723,WRN-730,WRN-731,WRN-732WRN-733,WRN-820WRN-821,WRN-822WRN-823,WRN-830,WRN-831,WRN-832,WRN-833,WRN-920,WRN-921,WRN-922WRN-923,WRN-930,WRN-931WRN-932,WRN-933;

         

        雙支裝配式熱電偶    

        WRN2-120,WRN2-121,WRN2-122,WRN2-123,WRN2-130WRN2-131,WRN2-132,WRN2-133,WRN2-220,WRN2-221WRN2-222,WRN2-223,WRN2-230WRN2-231,WRN2-232WRN2-233,WRN2-320WRN2-321,WRN2-322WRN2-323,WRN2-330,WRN2-331,WRN2-332WRN2-333,WRN2-420,WRN2-421WRN2-422,WRN2-423,WRN2-430,WRN2-431WRN2-432WRN2-433,WRN2-520,WRN2-521WRN2-522,WRN2-523,WRN2-530WRN2-531,WRN2-532,WRN2-533WRN2-620,WRN2-621WRN2-622,WRN2-623,WRN2-630WRN2-631,WRN2-632,WRN2-633WRN2-720WRN2-721,WRN2-722,WRN2-723,WRN2-730WRN2-731,WRN2-732,WRN2-733,WRN2-820WRN2-821,WRN2-822,WRN2-823,WRN2-830,WRN2-831,WRN2-832,WRN2-833,WRN2-920WRN2-921,WRN2-922,WRN2-923WRN2-930,WRN2-931WRN2-932,WRN2-933;

         

        裝配式熱電偶    

        WRN-120KWRN-121K,WRN-122KWRN-123KWRN-130K,WRN-131K,WRN-132KWRN-133K,WRN-220KWRN-221K,WRN-222K,WRN-223K,WRN-230K,WRN-231K,WRN-232K,WRN-233K,WRN-320K,WRN-321K,WRN-322K,WRN-323K,WRN-330KWRN-331K,WRN-332KWRN-333K,WRN-420KWRN-421K,WRN-422K,WRN-423K,WRN-430K,WRN-431KWRN-432K,WRN-433KWRN-520K,WRN-521K,WRN-522KWRN-523K,WRN-530KWRN-531K,WRN-532K,WRN-533K,WRN-620K,WRN-621K,WRN-622K,WRN-623K,WRN-630K,WRN-631KWRN-632K,WRN-633KWRN-720K,WRN-721K,WRN-722KWRN-723K,WRN-730KWRN-731K,WRN-732K,WRN-733K,WRN-820K,WRN-821K,WRN-822K,WRN-823K,WRN-830K,WRN-831K,WRN-832K,WRN-833K,WRN-920K,WRN-921K,WRN-922KWRN-923K,WRN-930K,WRN-931K,WRN-932K,WRN-933K;

         

        裝配式熱電偶   

        WRN-120J,WRN-121J,WRN-122JWRN-123J,WRN-130JWRN-131J,WRN-132J,WRN-133J,WRN-220J,WRN-221J,WRN-222J,WRN-223J,WRN-230JWRN-231J,WRN-232JWRN-233J,WRN-320JWRN-321J,WRN-322JWRN-323J,WRN-330JWRN-331JWRN-332J,WRN-333J,WRN-420J,WRN-421JWRN-422J,WRN-423JWRN-430J,WRN-431J,WRN-432J,WRN-433JWRN-520J,WRN-521J,WRN-522JWRN-523J,WRN-530J,WRN-531JWRN-532JWRN-533J,WRN-620JWRN-621J,WRN-622JWRN-623J,WRN-630JWRN-631J,WRN-632JWRN-633J,WRN-720J,WRN-721JWRN-722J,WRN-723J,WRN-730J,WRN-731JWRN-732J,WRN-733JWRN-820J,WRN-821J,WRN-822JWRN-823J,WRN-830J,WRN-831JWRN-832J,WRN-833J,WRN-920J,WRN-921JWRN-922J,WRN-923J,WRN-930J,WRN-931J,WRN-932J,WRN-933J;

         

        雙支裝配式熱電偶     

        WRN2-120K,WRN2-121K,WRN2-122KWRN2-123KWRN2-130K,WRN2-131K,WRN2-132K,WRN2-133K,WRN2-220K,WRN2-221K,WRN2-222KWRN2-223K,WRN2-230K,WRN2-231K,WRN2-232KWRN2-233K,WRN2-320KWRN2-321K,WRN2-322KWRN2-323K,WRN2-330K,WRN2-331K,WRN2-332K,WRN2-333K,WRN2-420K,WRN2-421KWRN2-422K,WRN2-423K,WRN2-430K,WRN2-431K,WRN2-432K,WRN2-433K,WRN2-520K,WRN2-521KWRN2-522K,WRN2-523K,WRN2-530K,WRN2-531K,WRN2-532K,WRN2-533KWRN2-620K,WRN2-621KWRN2-622K,WRN2-623K,WRN2-630KWRN2-631K,WRN2-632K,WRN2-633K,WRN2-720KWRN2-721K,WRN2-722KWRN2-723K,WRN2-730K,WRN2-731K,WRN2-732K,WRN2-733K,WRN2-820K,WRN2-821KWRN2-822K,WRN2-823KWRN2-830K,WRN2-831K,WRN2-832K,WRN2-833K,WRN2-920KWRN2-921K,WRN2-922K,WRN2-923K,WRN2-930K,WRN2-931K,WRN2-932K,WRN2-933K;

         

         

        雙支裝配式熱電偶     

        WRN2-120J,WRN2-121JWRN2-122JWRN2-123J,WRN2-130J,WRN2-131J,WRN2-132J,WRN2-133J,WRN2-220J,WRN2-221JWRN2-222J,WRN2-223J,WRN2-230J,WRN2-231J,WRN2-232J,WRN2-233JWRN2-320J,WRN2-321J,WRN2-322J,WRN2-323J,WRN2-330J,WRN2-331JWRN2-332J,WRN2-333JWRN2-420J,WRN2-421JWRN2-422J,WRN2-423J,WRN2-430J,WRN2-431J,WRN2-432J,WRN2-433J,WRN2-520J,WRN2-521JWRN2-522J,WRN2-523J,WRN2-530JWRN2-531J,WRN2-532JWRN2-533J,WRN2-620J,WRN2-621JWRN2-622J,WRN2-623J,WRN2-630J,WRN2-631J,WRN2-632J,WRN2-633J,WRN2-720JWRN2-721J,WRN2-722JWRN2-723J,WRN2-730JWRN2-731J,WRN2-732J,WRN2-733J,WRN2-820J,WRN2-821J,WRN2-822JWRN2-823J,WRN2-830J,WRN2-831J,WRN2-832J,WRN2-833J,WRN2-920JWRN2-921J,WRN2-922JWRN2-923J,WRN2-930J,WRN2-931JWRN2-932J,WRN2-933J;

        裝配熱電偶的型號命名方法

         

          

        無固定裝置熱電偶 固定螺紋式熱電偶 活動法蘭式熱電偶
        固定法蘭式熱電偶 活絡(luò)管接頭式熱電偶 固定螺紋錐形熱電偶
        直形管接頭式熱電偶 固定螺紋接頭式熱電偶 活動螺紋管接頭式熱電偶

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