主要技術(shù)參數(shù) | 熱電阻類(lèi)型 | 測(cè)溫范圍℃ | 分度號(hào) | 允許偏差△t℃ | wzp型鉑電阻 | -200~420 | Pt100 | B級(jí)(-200~800℃)允差±(0.30+0.005/t/) | *(-200~650 ℃ ) 允差±(0.15+0.002/t/) | WZC型銅電阻 | -150~100 | Cu50 | -50~100℃允差 | | | | | | | 工作原理 | 熱電阻是利用物質(zhì)在溫度變化時(shí)本身電阻也隨著發(fā)生變化的特性來(lái)測(cè)量溫度的。熱電阻的受熱部分(感溫元件)是用細(xì)金屬絲均勻地雙繞在絕緣材料制成的骨架上,當(dāng)被測(cè)介質(zhì)中有溫度梯度存在時(shí),所測(cè)得的溫度是感溫元件所在范圍內(nèi)介質(zhì)層中的平均溫度. | 特 點(diǎn) | 全國(guó)統(tǒng)一設(shè)計(jì)產(chǎn)品,接口尺寸通用,互換性好; | 采用裝配式結(jié)構(gòu),零件分解性好,維修方便; | 更換易損件成本低; | 規(guī)格齊全,性能穩(wěn)定可靠。 | 絕緣電阻 | 裝配鉑熱電阻的常溫絕緣電阻應(yīng)不小于100MΩ | 裝配銅熱電阻的常溫絕緣電阻應(yīng)不小于50MΩ | 常溫絕緣電阻的試驗(yàn)電壓為10~100V DC。 | 自熱影響:鉑電阻允許通過(guò)的zui大電流為5mA,由此產(chǎn)生的溫升不大于0.3℃。 | 熱響應(yīng)時(shí)間:在溫度出現(xiàn)階躍變化時(shí),熱電阻的輸出變化至相當(dāng)于該階躍變化的50%,所需要的時(shí)間,稱(chēng)為熱響應(yīng)時(shí)間,用τ0.5表示。 | 熱電阻時(shí)間常數(shù) | 熱惰性級(jí)別 | 時(shí)間常數(shù)(秒) | 熱惰性級(jí)別 | 時(shí)間常數(shù)(秒) | Ⅰ | 90-180 | Ⅲ | 10-30 | Ⅱ | 30-90 | Ⅳ | 10 | | | 熱電阻的公稱(chēng)壓力:一般是指在工作溫度下保護(hù)管所能承受的靜態(tài)外壓而不破裂。 | 熱電阻zui小插入深度:應(yīng)不小于其保護(hù)套管外徑的8-10倍。 | 絕緣電阻:當(dāng)周?chē)諝鉁囟葹?5-35℃,相對(duì)濕度<80%時(shí),絕緣電阻 20兆歐(電壓100V) | 。具有防濺式接線盒的絕緣電阻應(yīng)2兆歐(電壓100V) | 熱電阻感溫元件在0℃ 時(shí)電阻值(R0)及其與在100℃ 時(shí)的電阻值(R100)比值: | 比值=R100/R | 分度號(hào)為Pt10、Pt100時(shí);R100 /R0 =1.3850±0.001 | 分度號(hào)為Cu50、Cu100時(shí);R100 /R0 =1.3850±0.0 | 可動(dòng)式熱電偶WRE2-430D, WZP-420B, WZP-421B, WZP-430B, WZP-431B, WZP2-420B, WZP2-421B, WZP2-430B, WZP2-431B, WZC-420B, WZC-430B, WZP-420C, WZP-421C, WZP-430C, WZP-431C, WZP2-420C, WZP2-421C, WZP2-430C, WZP2-431C, WZC-420C, WZC-430C, WZP-420D, WZP-421D, WZP-430D, WZP-431D, WZP2-420D, .WZP2-421D, WZP2-430D, WZP2-431D, WZC-420D, WZC-430D.WRR-433Q, WRNR-93UC, WRER-93UC, WRNR2-93UC, WRER2-93UC, WRNT-001, WRNT2-001, 耐腐、耐磨熱電偶WRET-001, WRET2-001, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRNR-12, WRER-12, WRNR2-12, WRER2-12, WRNR-13, WRER-13, WRNR2-13. WRER2-13. WRNR-14, WRER-14, WRNR2-14, WRER2-14, WRNR-15, WRER-15, WRNR2-15, WRER2-15, WRN-15A,. WRER-15A, WRNR2-15A, WRER2-15A, WRNT-31, WRET-31, WRNT2-31, WRET2-31, 套管式熱電偶WRNK-841n﹡D, WRNK-842n﹡D, WREK-841n﹡D. WREK-842n﹡D, WRNK-841n﹡I, WRNK-842n﹡I, WREK-841n﹡I. WREK-842n﹡I, WREK-842n﹡I, WRN-240A, WRN2-240A, WRE-240A, WRE2-240A, WRN-640A,RN2-640A,WRE-640A,WRE2-640A, .WRN-440A,RN2-440A, WRE-440A,RE2-440A, WRNK-240, WRNK2-240, WREK-240, WREK2-240, WRNK-440, WRNK2-440, WREK-440, WREK2-440, WRN-74O,WRN2-74O, WRN-74O, WRN2-74O, WRNR-15, WRNR2-15, WRNR-15A, WRNR2-15A, WRER-15, WRER2-15, WRER-15A, WRER215A, WRN-624, WRN-625, WRE-624, WRE-625, WRNR-12, WRER-12, WRNR2-12, .WRER2-12, WRNR-13, WRNR2-13, WRER-13, WRER2-13,WRNR-14, WRNR2-14, WRER14, WRER2-14, WRN-631, WRN2-631, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRN-130, WRN2-130, WRN-230, WRN2-230, WRN-330, WRN2-330, WRN2-430, WRN-430, WRE-130, WRE2-130 單向閥節(jié)流閥 ASC-6,ASC-8,ASC-10,ASC-15,KLA-L6,KLA-L8,KLA-L10,KLA-L15,KLA-L20,KLA-L25,KLA-L40,KLA-L50,KLJA-8,KLJA-10,KLJA-15,KLJA-20,KLJA-25,KLJA-32,KLJA-40,DIF-L10H,DIF-L20H2,DIF-L32H1,DF-B10H1,DF-B20H1,DF-B32H1,DF-F32H1,LDF-L10H-S,LDF-L20H-S,LDF-L32H-S,LF-B10H-S,LF-B20H-S,LF-B32H-S,L-H10,L-H20,L-H32,S6A,S8A,S10A,S15A,S20A,S25A,S30A,S10P1,S20P1,S30P1,RVP6,RVP8,RVP10,RVP15,RVP20,RVP25,RVP30,MK/MG8…,MK/MG6…,MK/MG10…,MK/MG15…,MK/MG20…,MK/MG25…,MK/MG30…,DV6/2,DRV6,DV8/2,DRV8,DV10/2,DRV10,DV12/2,DRV12,DV16/2,DRV16,DV20,DRV20,DV30,DRV30,DVP6/DRVP,DVP8/DRVP,DVP10/DRVP,DVP12/DRVP,DVP16/DRVP,DVP20/DRVP,DVP25/DRVP,DVP30/DRVP,L-10(B),L-25(B),L-63(B),L-100(B),L1-10(B),L1-25(B),L1-63(B),L1-100(B),1-10,1-25,1-63,1-100,1-160,AJ-Ha10B,AJ-Hb20B,AJ-Hb32B,DF-B10H,DF-B20H,DF-B32H,B-10(B),B-25(B),B-63(B),I-10B,I-25B,I-400B,I-65B,I-100,LA-H8L,LA-H10L,LA-H16L,LA-H20L,LA-H25L,LA-H32L,Z1S6P,Z1S10P,P-B10(B),P-B25(B),P-B63(B),IY-25B,IY-63B,IY-100B,L-F6D-O,L-F6D-P,L-F10D-P-1,L-F10D-O-1,L-F6/10D-P1/P-1,L-F16D-P,L-F16D-O,L-F6/16D-P1-P,LA-F6D-P,LA-F6D-A,LA-F6D-AU,LA-F6D-B,LA-F6D-B,LA-F6D-BU,LA-F6D-AB,LA-F6D-ABU,LA-F10D-P-1,LA-F10D-A-1,LA-F10D-AU-1,LA-F10D-B-1,LA-F10D-BU-1,2LA-F10D-AB-1,2LA-F10D-ABU-1,LA-F16D-P,LA-F16D-A-1,LA-F16D-AU-1,LA-F16D-B-1,LA-F16D-BU-1,2LA-F16D-AB,2LA-F16D-ABU-1,2A-F6D-O/AB,2A-F10D-O/AB,A-F6D-P,A-F6D-O-1,A-F10D-P,A-F10D-P/PP1,A-F10D-O,A-F10D-B/P,A-F16D-P,A-F16D-P-PP1-1,A-F16D-O,A-F16D-B/P-1 疊加閥 Z2FS6…,Z2FS10…,Z2FS16…,Z2FS22…,Z1S6,Z1S10,Z2S6,Z2S10,Z2S16,Z2S22,ZDR6D,ZDR10D,ZDB6VA,ZDB6VB,ZDB6VP,ZDB10VC,ZDB10VD,Z2DB6VA,Z2DB6VB,Z2DB6VP,Z2DB10VC,Z2DB10VD,MTCV-02WA,MTCV-02WB,MTCV-03WA,MTCV-03WB,MPCV-02WA,MPCV-02WB,MPCV-03WA,MPCV-03WB,MBRV-02P,MBRV-02A,MBRV-02B,MBRV-03P,MBRV-03A,MBRV-03B,MCV-02P,MCV-02A,MCV-02B,MCV-03P,MCV-03A,MCV-03B,MTV-02P,MTV-02A,MTV-02B,MTV-03P,MTV-03A,MTV-03B,MRV-02P,MRV-02A,MRV-02B,MRV-02W,MRV-03P,MRV-03A,MRV-03B,MRV-03W,MSCV-02A,MSCV-02B,MSCV-03A,MSCV-03B,DGMC-5,DGMDC-5,DGMFB-5,DGMR1-5,DGMX-5,DGMR-5,DGMPC-5,DGMC-3,DGMR-3,DGMR1-3,DGMX-3,DGMDC-3,DGMPC-3,DGMFN-3 液控單向閥 A-Ha10L,A-Ha20L,A-Ha32L,AL-Ha10B,AL-Ha20B,AL-Ha32B,AJ-Ha32B,AJ-Hb32B,AJ-Hb32F,A1Y-Ha10B,A1Y-Hb10B,A1Y-Hb10BL,A1Y-Hb20B,A1Y-Hb20L,A1Y-Ha20B,A1Y-Ha32B,A1Y-Ha32F,A1Y-Hb32B,A1Y-Hb32L,A1Y-Hb32F,DFY-B10H1,DFY-B32H1,DFY-B10H1,DFY-F32H1,DBW30B,DBW30A,DBW30G,BDT10,BDT20,BDT30,DBC,SV10,SV20,SV30,SL10,SL20,SL30,AJ-Ha10B,DSHG-03-3C,DSHG-04-3C,DSHG-06-3C,DG5V-5,DG5V-7,DG5V-8,DG4SG-012C,DG5S4-02C,DG5S4-04-M,DG5S4-H8M-C,DG5S4-10-53-80,DFY-B10H4,DFY-B20H1,DFY-B32H2,34B*-H6/8(18),34B*-H6/8/(16),34BY-*10G,24BY-*10G,AY-F6D-A(B)-1,AY-F6D-B(A)-1,2AY-F6D-b-AB(BA),AY-F10D-A(B),AY-F10D-B(A),2AY-F10D-AB(BA),AY-F16D-A(B),AY-F16D-B(A),2AY-F16D-AB(BA) 梭閥 KS-06,KS-08,KS-10,KS-15 真空發(fā)生器 CV-10LS,CV-15LS,CV-20HS 止逆閥 22211882,22247308,39113311,39477674,39479852,39481155,39580055,39477674,39479852,39481155,39580055,42855478 空壓機(jī)配件 39120563,39155478,39155577,39155759,39156385,39156393,39156435,39156468,39181342,39303276,42836445,42836452,42836460,42859710,42844613,42854307,42859170,42855494,42857748,42859413,42859462,42859900,42865584,42865600,42865618,42888107,42888115,42889188,42889427,54600366,92101054,92169630,92549211,92699214,92699222,92700319, 92716554,92716760,92794270,92866904,99246191,99260630,99250037,99250631,99252280,99253183,99254299,99257008,99261000,99262149,99262818,99263162,99271819,99272510,99272528,99272536,99272551,99272569,99272577,99272585,99272585,99272593,99304065,ATC05029,ATC05030,ATC62007,ATC62008,ATC62009,ATC62010,ATC62013 卸荷閥 DA10…/…,DA20…/…,DA30…/…,DAW10…/…,DAW20…/…,DAW30…/… |