裝配式不銹銅接線盒熱電阻,WZP2-121B, 主要技術(shù)參數(shù) | 熱電阻類型 | 測溫范圍℃ | 分度號 | 允許偏差△t℃ | wzp型鉑電阻 | -200~420 | Pt100 | B級(-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)在溫度變化時本身電阻也隨著發(fā)生變化的特性來測量溫度的。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)被測介質(zhì)中有溫度梯度存在時,所測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 | 全國統(tǒng)一設(shè)計產(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電壓為10~100V DC。 | 自熱影響:鉑電阻允許通過的zui大電流為5mA,由此產(chǎn)生的溫升不大于0.3℃。 | 熱響應(yīng)時間:在溫度出現(xiàn)階躍變化時,熱電阻的輸出變化至相當(dāng)于該階躍變化的50%,所需要的時間,稱為熱響應(yīng)時間,用τ0.5表示。 | 熱電阻時間常數(shù) | 熱惰性級別 | 時間常數(shù)(秒) | 熱惰性級別 | 時間常數(shù)(秒) | Ⅰ | 90-180 | Ⅲ | 10-30 | Ⅱ | 30-90 | Ⅳ | 10 | | | 熱電阻的公稱壓力: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)周圍空氣溫度為15-35℃,相對濕度<80%時,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℃ 時電阻值(R0)及其與在100℃ 時的電阻值(R100)比值: | 比值=R100/R | 分度號為Pt10、Pt100時;R100 /R0 =1.3850±0.001 | 分度號為Cu50、Cu100時;R100 /R0 =1.3850±0.0 | 套管式熱電偶熱電阻,WZP-93C2,WZP2-39C1,WZPN2-230,WZP-93C1,WRN-240A,WRNN2-130,WRE-130-F,WRN2-740,JB81-94,WZPK-536SA,WRE-631,WRN-624,MWFT-3,.WZPK2-165SA,WZP-631,WRP2-010,WZPM-0110,WRE-624,WZP-015S,WZP-013S,WRN-625,WZPK-165S,WZP2-2312A,WRN-520,WRNM,WSSX-472,WSSX-471,WSSX-462,WSSX-461,WSSX-452,WSSX-451,WSS-572,WSS-472,WSS-571,wss-471,wss-562,wss-462雙金屬溫度計,wss-561,wss-461,wss-552,wss-452,WSS-551,wss-451,wss-582,wss-482,wss-581,wss-481,wss-512,wss-412,.wss-312,wss-511,wss-411,wss-311,wss-502,WSS-402,wss-302,wss-501,wss-401,WSS-301,WSSXP-481,WSSXE-481,WSSXP-411,WSSXE-411,WSSXP-401,WSSXE-401,WSSP-581,WSSP-481,WSSP-511,WSSP-411,WSSP-501,WSSP-401,WSSE-581,WSSE-481,WSSE-511,WSSE-411,WSSE-501,WSSE-401,WSS-583L熱套式雙金屬溫度計,WSSX-403L,WSSX-483L,WSS-483L,WSS-413L,WSS-413L,WSS-503L,WSS-403L,WSSX-483S,WSSX-413S,WSS-483S,WSS-513S,WSS-413S,WSS-503S,WSS-403S,WSSX-486電接點雙金屬溫度計,WSSX-416,WSSX-406,WSSX-485,WSSX-415,.WSSX-405,WSSX-484,WSSX-414, WSSX-404,WSSX-483,WSSX-413,WSSX-403,WSSX-482,WZPK-124U,WZPK-406U,WZPK-503U,WZP-3212U,WZP-270U,WRNN2-436,WRP-130,WRP2-130,WRP-131,WRP2-131,WRQ-130,WRQ2-130,WRQ-131,WRQ2-131,WRR-130,WRR2-130,WZPK-336SA,WZPK2-335SA,WZPK-236SA,WZPK2-235SA,WZPK-333S,WZPK-334S,WZPK-335S,WZPK-236S,WZPK-235S,WZPK-234S,WZPK-233S,WZPK2-136S,WZPK2-135SA,WZPK-136S,WZPK-135S,WZPK-134S,WRNR-01,WRER2-14,WRNR2-14,WRER-14,WRER2-12,WRNR2-12,WRER-12,WRNR-12,WZP2-6312A,WZP-6312A,WZP2-631,WRN-624,WRNR2-01,SBWR-4170/440D隔爆本安型帶熱電偶電阻溫度變送器,SBWZ-4450,SBWZ-2450,SBWR-2160,SBWR-4150。拉繩開關(guān) 減壓閥/先導(dǎo)型減壓閥 DR10…/…YM,DR20…/…YM,DR30…/…YM,DR10…/…Y,DR20…/…Y,DR30…/…Y,DRC,J-10(B),J-25(B),J-63(B),J-100(B),J1-10(B),J1-25(B),J1-63(B),3DREP6C,EFBG-03-125,3DREP6A(B),DRE(M)10-30/*Y,DRZ(M)20-30/*Y,BJY-16A,BJY-32A,J-F*6D-P-1,J-F*6D-P(A)-1,J-F*10D-P-2,J-F*10D-P(A)-2,J-F*10D-P(B)-2,J-F*16D-P-1,J-F*16D-P(A)-1,J-F*16D-P(B)-1,EFZ10-25 順序閥 DZ10…/…YM,DZ20…/…YM,DZ30…/…YM,DZ10…/…Y,DZ20…/…Y,DZ30…/…Y,DZC,X-B10(B),X-B25(B),X-B63(B),X-F*6D-P-1,X-F*10D-P-1,X1-F*6/10D-P1/P-1,X1-F*6/16D-P1/P-1,2X-F*6D-AB/BA-1,2X-F*10D-AB/BA-2,2X-F*16D-AB/BA,ECZ25-25,ECZ63-63,XA-Ff6D-B,XA-Ff6/10D-B-1,XA-Ff10D-B ,XA-Ff6/16D-B-1,XA-F*16D-B 截止閥 JZF-L10H,JZF-L15H,JZF-L20H,JZF-L25H,JZF-L32H,JZF-L40H,JZF-F10H,JZF-F15H,JZF-F20H,JZF-F25H,JZF-F32H,JZF-F40H,JZF-F50F,JZFS-B8,JZFS-B10,JZFS-B20,JZFS-B25,JZFS-B32,CJZQ-H10L,CJZQ-H15L,CJZQ-H20L,CJZQ-H25L,CJZQ-H32L,CJZQ-H40L,CJZQ-F10L,CJZQ-F15L,CJZQ-F20L,CJZQ-F25L,CJZQ-F32L,CJZQ-F40L,CJZQ-F50L,CJZQ-F65L,QJH-10,QJH-15,QJH-20,QJH-25,QJH-32,QJH-40,QJH-50,QJH-65 手動閥手拉閥 4R110-06,4R210-06,4R210-08,4R310-08,4R410-15,3R110-06,3R210-06,3R210-08,3R310-08,3R310-10,3R410-15,4H210-08,4H310-10,4H410-15,TSV-68522M,TSV-98322M,4H210-06,4H210-08,4H310-08,4H310-10,4H410-15,3H210-06,3H210-08,3H310-08,3H310-10,SH402,SH402A,SH403,SH403A,HV-02,HV-03,HV-04,HV200,HV400,HV200D,HV200S,K34R6(D),XQ230622,XQ250622,XQ230422,XQ250422,XQ230420,XQ230620,XQ250420,XQ250620,XQ230420.01,XQ230620.01,XQ250420.01,XQ250620.01,XQ230421,XQ230621,XQ250421,XQ250621,XQ230422,XQ230622,XQ250422,XQ250622,XQ230460,XQ230660,XQ231060,XQ231560,XQ250460,XQ250660,XQ251060,XQ251560,XQ350460,XQ350660,XQ351060,XQ351560,XQ350460.1,XQ350660.1,XQ351060.1,XQ351560.1,XQ240461,XQ240661,XQ241061,XQ241560,XQ340461,XQ340661,XQ341061,XQ341561,XQ340461.1,XQ340661.1,XQ341061.1,XQ341561.1,99260416,ATC05031,ATC21170,4WMM6,4WMM10,4WMM16,K34R8-20(G3/4″),K34R8-25(G1″) 腳踏閥 FV-02,F(xiàn)V-320,F(xiàn)V-420,4F210-08,4F210-08L,4F210-08G,K23R7-8,K25R7-8,ST402,ST403,ST402A,ST403A,XQ230423,XQ230623,XQ250423,XQ250623 排氣閥 QE-01,QE-02,QE-03,QE-04,KKP-6,KKP-8,KKP-10,KKP-15,KKP-20,KKP-25,KPF-8,KPF-15,KPF-25 拔氣閥 XQ230421,XQ250421,XQ230621,XQ250621 頂桿閥 XQ230410,XQ250410,XQ230610,XQ250610,XQ230411,XQ230611,XQ250411,XQ250611 行程閥 XQ230412,XQ250412,XQ230612,XQ250612,XQ230270 M5,XQ230271 M5,XQ230272 M5,XQ230273 M5,XQ230274 M5,22C-10B(H),22C-25B(H),23C-10B,24C-10B |