1. 測溫范圍、允差 名稱 | 型號(hào) | 分度號(hào) | 測溫范圍 | 等級(jí) | 允許偏差 | 鉑電阻 | WZP | Pt100 Pt10 | -200~±650℃ | A | ±(0.15+0.02t) | B | ±0.30+0.005t | 銅電阻 | WZC | Cu50 Cu100 | -50~+150℃ | | ±(0.30+0.006t) | 2.熱響應(yīng)時(shí)間 在溫度出現(xiàn)階躍變化時(shí),熱電阻的電阻值變化至相當(dāng)于該階躍變化的50%,所需要的時(shí)間稱為熱響應(yīng)時(shí)間,用t0.5表示。 3.自熱影響 鉑電阻允許通過電流1mA,zui大測量電流為5mA,由此產(chǎn)生的升溫不大于0.3℃。 4.電阻溫度系數(shù)(α)與標(biāo)稱值的偏差 名稱 | 等級(jí) | α | α | 鉑電阻 | A | 0.003851 | ±0.000006 | B | ±0.000012 | 銅電阻 | | 0.004280 | ±0.000020 | 5.絕緣電阻 當(dāng)周圍空氣溫度15-35℃和相對濕度小于80%時(shí)熱電阻絕緣電阻不小于100MΩ。 薄膜鉑電阻元件 一、 概述 CRZ系列薄膜鉑熱電阻元件是把金屬鉑研制成粉漿,采用先進(jìn)的激光噴濺薄膜技術(shù)及光刻法和干燥蝕刻法把附著在陶瓷基片上形成膜,引線經(jīng)過激光調(diào)阻制成,*自動(dòng)的生產(chǎn)程序保證了產(chǎn)品*符合IEC標(biāo)準(zhǔn)。 二、 技術(shù)特點(diǎn) 1. 薄膜鉑熱電阻元件用陶瓷和鉑制成,因而在高溫下能夠保持優(yōu)良的穩(wěn)定性,適合在-50~400℃的溫度下使用。 2. 鉑薄膜通過激光噴濺在陶瓷表層,因而它具有良好的防震和防沖擊性能。 3. 薄膜表面蓋以陶瓷,因而元件能夠承受高壓,并具有良好的絕緣性。 4. 引線材料為鎳鍍金和純鈀兩種。 5. 規(guī)格: 型號(hào) | 規(guī)格 長×寬×高 | 阻值 | 測量電流 | 精度 | 測量范圍 | 熱響應(yīng)時(shí)間 | CRZ-1632 | 3.2×1.6×1.0 | PT100 PT100 | ≤1mA | A | -50~550℃ | ≤0.3S | CRZ-2005 | 5.0×2.0×1.1 | PT50 | ≤2mA | A | -50~400℃ | CRZ-2005 | 5.0×2.0×1.0 | PT10 | ≤0.5mA | B | -50~500℃ | 6. 精度: 等級(jí) | α | 0℃時(shí)的電阻值(Ω) | 允許偏差(Ω) | A | 0.003851 | 100.00 | ±0.150+0.002t | B | 0.003851 | 100.00 | ±0.30+0.005t | 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, 熱電偶 WRE-230, WRE2-230, WRE-330, WRE2-330, WRE-430, WRE2-430, WREK-1313, WREK-1314, WREK-1315, WREK-1316, WREK-1323,. WREK-1324, WREK-1325, WREK-1326, WRNK-1313, WRNK-1314, WRNK-1315, WRNK-1316, WRNK-1323, WRNK-1324, WRNK-1325, WRNK-1326, WRN-001, WRE-001. WRN-002, WRE-002, WRN-235T, WRN2-235T, WRE-235T, WRE2-235T, WRN-130-F, WRN-230-F, WRN-330-F, WRN-430-F, WRN2-130-F, WRN2-330-F, WRN2-430-F, WRE-130-F, WRE-230-F, .WRE-330-F, WRE-430-F,WRE2-130-F,WRE2-230-F,WRE2-330-F.WRE2-430-F.WRN-130(*),WRN-230(*),WN-330(*),WN-430(*).,WRNN2-130(*),WNN2-230(*),WRNN2-330(*),WNN2-430(*),WREN-130, WREN-230, WREN-330, WREN-430, .WREN2-130, WREN2-230, WREN2-330, WREN2-430, WRNN-530(*),WRNN2-530(*),WREN-530,WREN2-530,WRNN-631(*),WRNN2-631(*),WREN-631, WREN2-631, WRN-12B, WRE-12B, WRN2-12B, 裝配式熱電偶WRE2-12B, WRN-13B, WRE-13B, WRN2-13B, WRE2-13B, WRN-14B, WRE-14B, WRN2-14B, WRE2-14B, WRN-15B, WRE-15B, WRN2-15B, WRE2-15B, WRN-15AB,. WRE-15AB, WRN2-15AB, WRE2-15AB, WRN-4318, WRE-4318,,WN2-4318, WRE2-4318, WRN-43C, WRE-43C, WRN2-43C, WRE2-43C, WRR-120, WRR-121, WRR2-120, WRR2-121, WRP-120, WRP-121, WRP2-120 露點(diǎn)儀 AK-810 NH001 G319-S G319-T H2005 HT-6850 HT-6292 DMT142C3 DMT-142C3 高斯計(jì)/特斯拉計(jì) SG-3-J,SG-3-A,SG-4L,SG-42,SG-41,SG-3M,CST7,CT3,CT5,CT7,CTS27,CT1,CTS24, 直流低電阻測試儀 CY2511,CY-2511, 電參數(shù)綜合測試儀 CY2121,CY-2121,CY2141,CY-2141,CY2142,CY-2142, CY2142A,CY-2142A, 電感測試儀,CY2772B,CY-2772B, CY2772C,CY-2772C,CY2772D,CY-2772D, 電容測試分選儀,CY2646A,CY-2646A,CY2645B ,CY-2645B ,CY2612,CY-2612, 接地電阻測試儀,CY2512,CY-2512, 絕緣電阻測試儀,CY2679A,CY-2679A,CY2679B,CY-2679B, 漏電電流測試儀,CY2674E,CY-2674E,CY2674G,CY-2674G, 漏電流測試儀,CY2621,CY-2621,CY2621A,CY-2621A, 耐壓測試儀,CY2674A,CY-2674A,CY2666A,CY-2666A,CY2661,CY-2661,CY2666,CY-2666, 耐壓絕緣測試儀,CY2663A,CY-2663A, 耐壓漏電測試儀CY2674B,CY-2674B, 萬能擊穿耐壓測試儀CY2671,CY-2671, |