鎧裝熱電偶/WRNK-231/WRNK231
不同材料和直徑鎧裝熱電偶型號(hào)、分度號(hào)及推薦使用溫度
電極材料 | 型 號(hào) | 分度號(hào) | 外殼材料 | 外殼直徑(mm) | 推薦使用溫度℃ | |
長(zhǎng)期使用zui高溫度 | 短期使用zui高溫度 | |||||
鎳鉻--鎳硅 | WRKK | K | GH3030 | 0.25; | 300 | 600 |
0.5;1.0 | 500 | |||||
1.5;2.0;3.0 | 800 | 900 | ||||
4.0;4.5;5.0 | 900 | 1000 | ||||
6.0;8.0 | 1000 | 1100 | ||||
1Cr18Ni9Ti | 0.25; | 300 | 600 | |||
0.5;1.0 | 400 | |||||
1.5;2.0 | 600 | 700 | ||||
3.0;4.0;4.5 | 800 | 900 | ||||
5.0;6.0;8.0 | ||||||
鎳鉻硅--鎳硅 | WRNK | N | GH3030 | 0.25; | 300 | 600 |
0.5;1.0 | 500 | |||||
1.5;2.0;3.0 | 800 | 900 | ||||
4.0;4.5;5.0 | 900 | 1100 | ||||
6.0;8.0 | 1000 | 1200 | ||||
1Cr18Ni9Ti | 0.25; | 300 | 600 | |||
0.5;1.0 | 500 | |||||
1.5;2.0 | 600 | 700 | ||||
3.0;4.0;4.5 | 800 | 900 | ||||
5.0;6.0;8.0 | ||||||
鎳鉻--銅鎳 | WREK | E | 1Cr18Ni9Ti | 0.5;1.0 | 400 | 500 |
1.5;2.0; | 500 | 600 | ||||
3.0;4.0;4.5;5.0 | 600 | 700 | ||||
6.0;8.0 | 700 | 800 | ||||
鐵--銅鎳 | WRJK | J | 1Cr18Ni9Ti | 0.5;1.0 | 300 | 400 |
1.5;2.0; | 400 | 500 | ||||
3.0;4.0;4.5;5.0 | 500 | 600 | ||||
6.0;8.0 | 600 | 750 | ||||
銅--銅鎳 | WRTK | T | 1Cr18Ni9Ti | 0.5;1.0 | 200 | 250 |
1.5;2.0;3.0;4.0 | 250 | 300 | ||||
4.5;5.0 | ||||||
6.0;8.0 | 300 | 350 | ||||
鉑銠10--鉑 | WRSK | S | GH3030 | 2.0; | 1000 | 1050 |
3.0;4.0;4.5 | 1100 | 1200 | ||||
5.0;6.0;8.0 | ||||||
鉑銠13--鉑 | WRRK | R | GH3030 | 2.0; | 1000 | 1100 |
3.0;4.0;4.5 | 1100 | 1200 | ||||
5.0;6.0;8.0 | ||||||
鉑銠30--鉑銠6 | WRBK | B | GH3030 | 2.0; | 1000 | 1050 |
3.0;4.0;4.5 | 1100 | 1200 | ||||
5.0;6.0;8.0 |
*型號(hào)一欄中括號(hào)內(nèi)標(biāo)注的型號(hào)是過去沿用的標(biāo)注方法。 |
● 現(xiàn)場(chǎng)常用鎧裝熱電偶(Ⅱ級(jí))測(cè)溫范圍和準(zhǔn)確度
分度號(hào) | 測(cè)溫范圍(℃) | 允差(參考端為0℃) |
K、N | -40~1100 | ±2.5℃或±0.0075∣t∣ |
E | -40~800 | |
J | -40~750 | |
T | -40~350 | ±1.0℃或±0.0075∣t∣ |
注:"t"為被測(cè)溫度;在同一欄中給出的兩種允差值中,取數(shù)值大者。 |
鎧裝熱電偶/WRNK-231/WRNK231
● 鎧裝熱電偶熱響應(yīng)時(shí)間 在溫度出現(xiàn)階躍變化時(shí),熱電偶的輸出值變化至相當(dāng)于該階躍變化的某個(gè)規(guī)定百分?jǐn)?shù)所需要的時(shí)間,稱為熱響應(yīng)時(shí)間,用τ表示(取50%時(shí)用τ0.5表示)。
鎧裝熱電偶熱響應(yīng)時(shí)間
熱響應(yīng)時(shí)間τ0.5(秒) | ||
套管直徑d(mm) | 接殼式(≤) | 絕緣式(≤) |
2.0 | 0.4 | 0.5 |
3.0 | 0.6 | 1.2 |
4.0 | 0.8 | 2.5 |
5.0 | 1.2 | 4.0 |
6.0 | 2.0 | 6.0 |
8.0 | 4.0 | 8.0 |
● 絕緣電阻
當(dāng)環(huán)境空氣溫度為20±15℃,相對(duì)濕度不大于80%時(shí),絕緣型鎧裝熱電偶的熱電極與 外套管之間的絕緣電阻值應(yīng)符合下表規(guī)定:
鎧裝偶直徑D(mm) | 試驗(yàn)電壓DCV | 絕緣電阻MΩ·m |
0.25 | 50±5 | ≥100 |
0.5~1.5 | 50±5 | ≥1000 |
﹥1.5 | 500±50 | ≥1000 |
注: 絕緣電阻用MΩ· m表示,即為常溫絕緣電阻與鎧裝偶 |
□鎧裝熱電偶基本結(jié)構(gòu)
鎧裝熱電偶主要由接線盒、接線端子和鎧裝熱電偶元件等組成基本結(jié)構(gòu),并配以各種安裝固定裝置。
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-203AWRNN-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, 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,
● 安裝固定型式:
固定裝置是供用戶安裝時(shí)使用。鎧裝熱電偶有:無固定裝置、固定卡套式,可動(dòng)卡套式,固定法蘭式,可動(dòng)法蘭式五種結(jié)構(gòu)型式。固定卡套式只供一次性固定使用,可動(dòng)卡套式可做多次固定使用。