1. 測(cè)溫范圍、允差 名稱(chēng) | 型號(hào) | 分度號(hào) | 測(cè)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(chēng)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(guò)電流1mA,zui大測(cè)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(chēng)值的偏差 名稱(chēng) | 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?chē)諝鉁囟?/span>15-35℃和相對(duì)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(guò)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(guò)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(zhǎng)×寬×高 | 阻值 | 測(cè)量電流 | 精度 | 測(cè)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 | 拱頂熱電偶WRCK-281, WRCK-291, WRCK-202, WRCK-222, WRCK-232, WRCK-282, WRCK-292. WRCK2-221, WRCK2-231, WRCK2-222, WRCK2-232,WREK-301, WREK-321, WREK-331, WREK-381, WREK-387, WREK-391, WREK-302, WREK-322, WREK-332, WREK-382, WREK-388, WREK2-321, WREK2-331, .WREK2-322 WREK2-332 ,WRNK-301, 超臨界電站用熱電偶 WRNK-321, WRNK-331, WRNK-391, WRNK-381, WRNK-387, WRNK-302, WRNK-322, WRNK-332, WRNK-392, WRNK-382, WRNK-388, WRNK2-321, WRNK2-331, WRNK2-322, WRNK2-332, WRCK-301, WRCK-321, WRCK-331, WRCK-391,WRCK-381, WRCK-387, WRCK-302, WRCK-322, .WRCK-392, WRCK-382, WRCK-388,WRCK2-321,WRCK2-331,WRCK2-322,WRCK2-332,WREK-401,WREK-421,WREK-431,WREK-481, WREK-491, WREK-402, 電站測(cè)溫用熱電偶WREK-422, WREK-432, WREK-482, WREK-492WREK2-421, WREK2-431, WREK2-422, WREK2-432, WRNK-401, WRNK-421, WRNK-431,WRNK-481, WRNK-491, WRNK-402, WRNK-422, WRNK-432, WRNK-482, WRNK-492,WRNK2-421, WRNK2-431, WRNK2-422,. WRNK2-432, WRCK-401, WRCK-421, WRCK-431,WRCK-491, WRCK-481, WRCK-402, WRCK-422, WRCK-432, WRCK-492, WRCK-482,WRCK2-421, WRCK2-431, WRCK2-422, 隔爆型、本安型熱電偶WRCK2-432, WREK-501, WREK-521, WREK-531,WREK-581, WREK-591, WREK-502, WREK-522, WREK-532, WREK-582, WREK-592. WREK2-521, WREK2-531, WREK2-522, WREK2-532, WRNK-501, WRNK-521, WRNK-531,WRNK-581,WRNK-591,.WRNK-502,WRNK-522,WRNK-532,WRNK-592,WRNK-582,WRNK2-521,WRNK2-531,WRNK2-522,WRNK2-532,WRCK-501,WRCK-521,WRCK-531,WRCK-591,WRCK-581,化工隔爆型熱電偶WRCK-502,WRCK-522,WRCK-532,WRCK-592,WRCK-582,WRCK2-521,WRCK2-531,WRCK2-522,WRCK2-532,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, WRFK-281A, WRFK-181A., WRCK-281A, WRCK-181A, WREK-281A, WREK-181A, WRNK-281A, WRNK-181A, WZPM-202U, WZPM-201U, WRNM-202A, WZPM-101U, WZPM-102U, 化工熱電偶WREM-102A, WRNM-201A, WRNM-203A WRNN-436, WRNN2-436, WRN-420B, WRN-430B, WRN2-420B, WRN2-430B, WRE-420B, WRE-430B, WRE2-420B, WRE2-430B, WRN-420C, WRN-430C, WRN2-420C, WRN2-430C, WRE-420C, WRE-430C, WRE2-420C,. WRE2-430C, WRN-420D, WRN-430D, WRN2-420D, WRN2-430D, WRE-420D, WRE-430D, WRE2-420D, 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 磁粉探傷機(jī) TCEW-1000,TCEW-2000,TCEW-2000A,TCEW-2000B,TCBD-2000A,TCEW-4000A,TCEW-4000B, 鉗形磁軛探傷儀TCJE-2,TCJE-1 測(cè)距儀 激光測(cè)距儀:TM1500,TM1000,TM800,TM600,DLE50,DLE150,LRM1200,LRM-1500,F(xiàn)421D,F(xiàn)411D,PD4,PD40,PRO1500,PRO600,PRO440,PRO6000,PR20,PML32-R,PMP34,PRI2,RL350GL,RL250GL,S2,D2,D3,A5,D5,A6,A8 ,Prexiso X2 ,Impulse 200 ,Impulse 200LR ,Impulse 200XL ,PD-4,PD-42 ,PD-40 ,NM-500,NM-600,NM-700,NM-1200,NM-1500,1200S,超聲波測(cè)距儀:ST820,ST822,AR-811,AT-831,AR-841,AR-851,測(cè)距儀:VC850,VICTOR 851,600VR,600VH,1500VR,1500VH,1500VR/VH,1000VR/VH,800VR/VH,600VR/VH , 測(cè)高儀 6000E,2000E,SIR-600E,600E,AR-600E ,CHM6000, 照度計(jì) 紫外照度計(jì):TN-340,ST510,ST512,ST513,TN2340,YK-34UV,BK-8732,UVAB513,UV-365HA,UV-340A,UVA-365,UVC-254,YK-35UV,UV-365, |