您好,歡迎來到安徽亨利儀表電纜有限公司!
相關(guān)文章
RELATED ARTICLES產(chǎn)品型號:
所屬分類:高溫補償導(dǎo)線
更新時間:2015-07-14
補償導(dǎo)線特點EX-HBRP電纜質(zhì)量
主要用于某些特殊場合的測量。標(biāo)準(zhǔn)化熱電偶我國從1988年1月1日起,熱電偶和熱電阻全部按IEC標(biāo)準(zhǔn)生產(chǎn),并S、B、E、K、R、J、T七種標(biāo)準(zhǔn)化熱電偶為我國統(tǒng)一設(shè)計型熱電偶。
熱電偶的結(jié)構(gòu)形式為了保證熱電偶可靠、穩(wěn)定地工作,對它的結(jié)構(gòu)要求如下:
①組成熱電偶的兩個熱電極的焊接必須牢固;
②兩個熱電極彼此之間應(yīng)很好地絕緣,以防短路;
③補償導(dǎo)線與熱電偶自由端的連接要方便可靠;
④保護套管應(yīng)能保證熱電極與有害介質(zhì)充分隔離。
3.熱電偶冷端的溫度補償由于熱電偶的材料一般都比較貴重(特別是采用貴金屬時),而測溫點到儀表的距離都很遠(yuǎn),為了節(jié)省熱電偶材料,降低成本,通常采用補償導(dǎo)線把熱電偶的冷端(自由端)延伸到溫度比較穩(wěn)定的控制室內(nèi),連接到儀表端子上。必須指出,熱電偶補償導(dǎo)線的作用只起延伸熱電極,使熱電偶的冷端移動到控制室的儀表端子上,它本身并不能消除冷端溫度變化對測溫的影響,不起補償作用。因此,還需采用其他修正方法來補償冷端溫度t0≠0℃時對測溫的影響。在使用熱電偶補償導(dǎo)線時必須注意型號相配,極性不能接錯,補償導(dǎo)線與熱電偶連接端的溫度不能超過100℃。熱電阻熱電阻是中低溫區(qū)zui常用的一種溫度檢測器。它的主要特點是測量精度高,性能穩(wěn)定。其中鉑熱是阻的測量精確度是zui高的,它不僅廣泛應(yīng)用于工業(yè)測溫,而且被制成標(biāo)準(zhǔn)的基準(zhǔn)儀。補償導(dǎo)線特點EX-HBRP電纜質(zhì)量
ZR-SC-HA-FPVPR、ZR-SC-HB-FPVPR、ZR-SC-HS-FPVPR、ZR-KC-SA-FPV、ZR-SC-HB-FPV、ZR-SC-HS-FPV、ZR-SC-HA-FP2VP2、ZR-SC-HB-FP2VP2、ZR-SC-HS-FP2VP2、ZR-SC-HA-FP2VRP2、ZR-SC-HB-FP2VRP2、ZR-SC-HS-FP2VRP2、ZR-SC-HA-FP2VP2R、ZR-SC-HB-FP2VP2R、ZR-SC-HS-FP2VP2R、ZR-SC-HA-FP2V、ZR-SC-HB-FP2V、ZR-SC-HS-FP2V、ZR-SC-HA-FPVR、ZR-SC-HB-FPVR、ZR-SC-HS-FPVR、ZR-SC-HA-FPFP、ZR-SC-HB-FPFP、ZR-SC-HS-FPFP、ZR-KC-HA-FPFRP、ZR-SC-HB-FPFRP、ZR-SC-HS-FPFRP、ZR-SC-HA-FPFPR、ZR-SC-HB-FPFPR、ZR-SC-HS-FPFPR、ZR-SC-HA-FPF、ZR-SC-HB-FPF、ZR-SC-HS-FPF、ZR-SC-HA-FP2FP2、ZR-SC-HB-FP2FP2、ZR-SC-HS-FP2FP2、ZR-SC-HA-FP2FRP2、ZR-SC-HB-FP2FRP2、ZR-SC-HS-FP2FRP2、ZR-SC-HA-FP2FP2R、ZR-SC-HB-FP2FP2R、ZR-SC-HS-FP2FP2R、ZR-SC-HA-FP2F、ZR-SC-HB-FP2F、ZR-SC-HS-FP2F、ZR-SC-HA-FPFR、ZR-SC-HB-FPFR、ZR-SC-HS-FPFR、ZR-BC-HA-FPVP、ZR-BC-HB-FPVP、ZR-BC-HS-FPVP、ZR-BC-HA-FPVRP、ZR-BC-HB-FPVRP、ZR-BC-HS-FPVRP、ZR-BC-HA-FPVPR、ZR-BC-HB-FPVPR、補償導(dǎo)線特點EX-HBRP電纜質(zhì)量ZR-BC-HS-FPVPR、ZR-BC-HA-FPV、ZR-BC-HB-FPV、ZR-BC-HS-FPV、ZR-BC-HA-FP2VP2、ZR-BC-HB-FP2VP2、ZR-BC-HS-FP2VP2、ZR-BC-HA-FP2VRP2、ZR-BC-HB-FP2VRP2、ZR-BC-HS-FP2VRP2、ZR-BC-HA-FP2VP2R、ZR-BC-HB-FP2VP2R、ZR-BC-HS-FP2VP2R、ZR-BC-HA-FP2V、ZR-BC-HB-FP2V、ZR-BC-HS-FP2V、ZR-BC-HA-FPVR、ZR-BC-HB-FPVR、ZR-BC-HS-FPVR、ZR-BC-HA-FPFP、ZR-BC-HB-FPFP、ZR-BC-HS-FPFP、ZR-BC-HA-FPFRP、ZR-BC-HB-FPFRP、ZR-BC-HS-FPFRP、ZR-BC-HA-FPFPR、ZR-BC-HB-FPFPR、ZR-BC-HS-FPFPR、ZR-BC-HA-FPF、ZR-BC-HB-FPF、ZR-BC-HS-FPF、ZR-BC-HA-FP2FP2、ZR-BC-HB-FP2FP2、ZR-BC-HS-FP2FP2