WRR-121 單支鉑銠熱電偶 工業(yè)用裝配式熱電偶作為測(cè)量溫度的傳感器,通常和顯示儀表、記錄儀表和電子調(diào)節(jié)器配套使用。它可以直接測(cè)量各種生產(chǎn)過(guò)程中從0℃~1800 ℃范圍內(nèi)的液體、蒸汽和氣體介質(zhì)以及固體的表面溫度。 根據(jù)國(guó)家規(guī)定,從1987年起開(kāi)始生產(chǎn)符合IEC標(biāo)準(zhǔn)分度號(hào)的鉑銠30-鉑銠6、鉑銠10-鉑、鎳鉻-鎳硅、鎳鉻-銅鎳、銅-銅鎳、鐵-銅鎳等型式熱電偶。 □ 熱電偶基本結(jié)構(gòu)圖 □ 裝配式熱電偶實(shí)例 型號(hào):WRE2-120 分度號(hào)E 雙支式無(wú)固定裝置 防濺式接線盒 Φ16mm金屬保護(hù)管 Ⅱ級(jí)精度 長(zhǎng)1000mm WRN-230 分度號(hào)N 單只式 固定螺紋固定方式 防水接線盒 Φ16mm金屬保護(hù)管 Ⅱ級(jí)精度 總長(zhǎng)800mm置深650mm 保護(hù)管材料不銹鋼Gh3030 WRNK-431 分度號(hào)K 單只式 固定法蘭固定方式 防水接線盒 Φ20mm金屬保護(hù)管 Ⅰ級(jí)精度 總長(zhǎng)900mm 置深750mm WRK-240 分度號(hào)K Ⅱ級(jí)精度 隔爆型內(nèi)置式熱電偶 總長(zhǎng)400mm置入深度250mm WRK-520 分度號(hào)K型 單只式 直角活動(dòng)法蘭固定方式 防濺式接線盒 Φ16mm不銹鋼保護(hù)管 Ⅱ級(jí)精度 兩直角邊長(zhǎng)度均為500mm WRS-132 分度號(hào)S 單只式 無(wú)固定裝置 防水接線盒 Φ16高鋁質(zhì)陶瓷保護(hù)管 Ⅱ級(jí)精度 總長(zhǎng)1000mm 置深800mm 測(cè)溫0~1600℃ 屬貴金屬工業(yè)熱電偶 WRT-620 分度號(hào)T 單只式 帶錐形保護(hù)管 固定螺紋固定方式 □ 主要技術(shù)指標(biāo) ● 溫度測(cè)量范圍和允許誤差 熱電偶類別 | 代號(hào) | 分度號(hào) | 測(cè)溫范圍 ℃ | 允許誤差Δt ℃ | 鉑銠30-鉑銠6 | WRR | B | 0~1800 | ±1.5℃或±0.25%t | 鉑銠10-鉑 | WRP | S | 0~1600 | ±1.5℃或±0.25%t | 鎳鉻-鎳硅 | WRN | K | 0~1300 | ±2.5℃或±0.75%t | 鎳鉻-銅鎳 | WRE | E | 0~800 | ±2.5℃或±0.75%t | ● 熱響應(yīng)時(shí)間 在溫度出現(xiàn)階躍變化時(shí),熱電偶的輸出變化至相當(dāng)于該變化的50%,所需要的時(shí)間稱為熱響應(yīng)時(shí)間,用T0.5表示。 ● 熱電偶公稱壓力 一般是指在室溫情況下保護(hù)管所能承受的靜態(tài)外壓面不破裂。實(shí)際上,容許工作壓力不僅與保護(hù)管材料、直徑壁厚有關(guān),還與其結(jié)構(gòu)形式,安裝方法、置入深度以及被測(cè)介質(zhì)的流速和種類等有關(guān)。 ● 熱電偶zui小置入深度 應(yīng)不小于其保護(hù)管外徑的8~10倍(特殊產(chǎn)品例外)。 ● 熱電偶絕緣電阻(常溫) 常溫絕緣電阻的試驗(yàn)電壓為直流500V±50V,測(cè)量常溫絕緣電阻的大氣條件為溫度15~35℃,相對(duì)濕度45%,大氣壓力86~106kPa a.對(duì)于長(zhǎng)度>1米的熱電偶,常溫絕緣電阻值與其長(zhǎng)度的乘積應(yīng)不小于 100 MΩ·m 即:Rr·L≥100 MΩ·m L>1m(式中:L-熱電偶的長(zhǎng)度.m) b.對(duì)于長(zhǎng)度≤1米的熱電偶,常溫絕緣電阻值應(yīng)不小于100 MΩ ● 上限溫度絕緣電阻 熱電偶的上限溫度絕緣電阻應(yīng)不小于下表規(guī)定: 上限溫度tm ℃ | 試驗(yàn)溫度t ℃ | 電阻值 | 100≤tm<300 | t=tm | 10 | 300≤tm<500 | t=tm | 2 | 500≤tm<850 | t=tm | 0.5 | 850≤tm<1000 | t=tm | 0.08 | 1000≤tm<1300 | t=tm | 0.02 | tm>1300 | t=1300 | 0.02 | □ 型號(hào)表示化工熱電偶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,WRN2-640A,WRE-640A,WRE2-640A, WRN-440A,WRN2-440A, WRE-440A,WRE2-440A, 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, 隔爆本安型帶熱電偶電阻,SBWR-4270/440D,WZP2-892室內(nèi)用雙支鉑熱電阻,WREK-440,WRE2-740,WRN2-740,WRN2-440A,WRNK-240,WREK2-240,WRNK-841n*i,WRNK-842n*i,WRE-240A,WREK-841n*I,WREK-842n*i,WRN2-240A,WREK2-440,WRN-640,WRN2-640,WRN-740,WRE-440A,WRNK-440,WRE-640,WRE2-640,WREK-842n*D,WZP-64SB,SBWR-4280/8413KD,XMTA-100,MWFT-1,MWFT-2,MWFT-3,WZP-120B,WZP-121B,WZP-130B,WZP-131B,WZP2-120B,WZP2-121B,WZP2-130B,WZP2-131B,WZC-120B,WZC-130B,WZP-220B,WZP-221B, WZP-230B,WZP-231B,WZP2-220B,WZP2-221B,WZP2-230B,WZP2-231B,WZP-220ABWZP2-220AB,WZC-220B,WZC-120B,電站測(cè)溫用熱電阻WZC-130B,.WZP-220B,WZP-221B,WZP-230B,WZP-231B,WZP2-220B,WZP2-221B,.WZP2-230B,WZP2-231B,WZP-220AB,WZP2-220AB。WZC-220B,WZC-230B,WZC-220AB,WZP-320B,WZP-321B,WZP-330B,WZP-331B,WZP2-320B,WZP2-321B,WZP2-330B,WZP2-330B,WZC-320B,WZC-320B,WZP-420B,.WZP-421B,WZP-430B,WZP-431B,WZP2-420B,WZP2-421B,WZP2-430B,WZP2-431B,WZP-42AB,WZP2-42AB,WZC-420B,WZC-430B,WZP-420B,.WZP-421B,WZP-430B,WZP-430B,WZP-431B,WZP2-420B,WZP2-421B,WZP2-430B,WZP2-431B,WZP-42AB,WZP2-42AB,WZP-420B,WZC-430B,WZP-621B,WZP-621AB,WZP-631B,..WZP2 -621B,WZP2 -621B,WZP2 -631B,WZP-621B,.WZP-631B,WZP-621B,WZP2 -631B,WZP-621AB,WZP2-621AB,WZP-002,WZP-003,WZP-003A,WZCM-201,.WZPM-201,WZPM-201,WZP-270S,WZP-26S,WZP-236SB,薄膜鉑熱電阻WZP2-236SB,WZP-1312AB,WZP2-1312AB,WZP-212AB,.WZP2-212AB,WZP-3312AB,WZP2-3312AB,WZP-4312AB,WZP2-4312AB,WZP-6312AB,WZPK-103U,WZPK-104U,WZPK-105U,WZPK-106U,WZPK-106U,WZPK-204U,WZPK-205U,WZPK-206U,WZPK-303U,WZPK-304U,WZPK-305U,WZPK-306U,WZPK-403U,WZPK-404U,WZPK-405U,WZPK-406U,WZPK-503U,WZPK-504U,WZPK-505U,WZPK-506U,WZPK-133U,WZPK-134U,.WZPK-135U,WZPK-136U,.WZPK-233U,WZPK-234U,WZPK-235U,WZPK-236U,WZPK-333U,WZPK-334U,WZPK-335U,WZPK-336U,WZPK-433U,WZPK-434U,WZPK-435U,WZPK-436U,WZPK-533U,WZPK-534U,WZPK-535U,WZPK-536U,WZPK-123UWZPK-124U,裝配式不銹鋼接線盒鉑電阻WZPK-125U,WZPK-126U,.WZPK-223U,WZPK-224U,WZPK-225U,WZPK-226U,WZPK-323U,WZPK-324U,WZPK-325U,WZPK-326U,WZPK-423U,WZPK-424U,WZPK-425U,WZPK-426U,WZPK-523U,WZPK-524U,WZPK-525U,WZPK-526U,WZPK-163U,WZPK-164U,WZPK-165U,WZPK-166U,WZPK-263U,WZPK-264U,WZPK-265U,WZPK-266U,WZPK-363U,WZPK-364U,WZPK-365U,WZPK-366U,WZPK-463U,WZPK-464U,WZPK-465U,鎧裝鉑電阻WZPK-466U,WZPK-563U,WZPK-564U,WZPK-565U,WZPK-566U,.WZPK-173U,WZPK-174U,WZPK-175U,WZPK-176U,WZPK-273U,WZPK-274U,WZPK-275U,WZPK-276U,WZPK-373U,WZPK-374U,WZPK-375U,WZPK-376U,WZPK-473U,WZPK-474U,WZPK-475U,WZPK-476U,WZPK-573U,WZPK-574U,WZPK-575U,WZPK-576U,WZPK-103S,WZPK-104S,WZPK-105S,WZPK-106S,WZPK2-105SA,WZPK2-106SA,WZPK-203S,WZPK-204S,WZPK-205S,.WZPK-206S,WZPK2-205SA,WZPK2-206SA,WZPK-303S,化工隔爆型熱電阻WZPK-304S,WZPK-305S,WZPK-306S,WZPK2-305SA,.WZPK2306SA,WZPK-403S,WZPK-404S,WZPK-405S,WZPK-406S,WZPK2-405SA,WZPK2406SA,WZPK-503S,WZPK-504S,WZPK-505S,WZPK-506S,WZPK2-505SA,WZPK2506SA,WZPK-123S,WZPK-124S,WZPK-125S,WZPK-126S,WZPK2-125SA,WZPK2-126SA,WZPK-223S,WZPK-224S,WZPK-225S,WZPK-226S,WZPK2-225SA,WPK2-225SA,WZPK2-226SA,WZPK-323S,.WZPK-324S,WZPK-325S,WZPK-326S,WZPK2-325SA,WZPK2326SA,WZPK-423S,WZPK-424S,WZPK-425S,WZPK-426S,WZPK2-425SA,.WZPK2426SA,WZPK-523S,隔爆鉑電阻WZPK-524S,WZPK-525S,WZPK-526S,WZPK2-525SA,WZPK2526SA,WZPK-133S,WZPK-134S,WZPK-135S,WZPK-136S,WZPK2-135SA,WZPK2-136SA,WZPK-233S,WZPK-234S,WZPK-235S,WZPK-236S,WZPK2-235SA,WZPK2-236SA,WZPK-333S,WZPK-334S,WZPK-335S,WZPK-336S,WZPK2-335SA,WZPK2336SA,WZPK-433S,WZPK-434S,WZPK-435S,WZPK-436S,WZPK2-435SA,WZPK2436SA,WZPK-533S,WZPK-534S,WZPK-535S,WZPK-536S,WZPK2-535SA,WZPK2536SA,WZPK-163S,WZPK-164S,WZPK-165S,WZPK-166S,鉑電阻元件WZPK2-165SA,WZPK2-166SA,WZPK-263S,WZPK-264S,WZPK-265S,WZPK-266S,.WZPK2-265SA,WZPK2-266SA,WZPK-363S,WZPK-364S,WZPK-365S,WZPK-366S,WZPK2-365SA,WZPK2366SA,WZPK-463S,WZPK-464S,WZPK-465S,WZPK-466S,WZPK2-465SA,WZPK2466SA,WZPK-563S,WZPK-564S,WZPK-565S,WZPK-566S,WZPK2-565SA,WZPK2566SA,WZPK-173S,WZPK-174S,WZPK-175S,WZPK-176S,WZPK2-175SA,WZPK2-176SA,WZPK-273S,WZPK-274S,WZPK-275S,WZPK-276S,WZPK2-275SA,WZPK2-276SA,WZPK-373S,WZPK-374S,WZPK-375S,WZPK-376S,WZPK2-375SA,WZPK2376SA,WZPK-473S,WZPK-474S,WZPK-475S,WZPK-476S,WZPK2-475SA,WZPK2476SA,WZPK-573S,.WZPK-574S,WZPK-575S,WZPK-576S,WZPK2-575SA,WZPK2576SA,WZPM-101U,WZPM-201U,WZPM—002U,WZPM-102U,WZPM-202U,WZPM—001,WZPM-101S,WZPM-201S,WZPM-002,WZPM-102,WZPM-202,WZPM—301,WZP-011S,WZP-012S,WZP-013S,WZP-014S,WZP-015S,WZP-203S,WZP-205S,WZP-018,WZP-0110,WZP-2012, |