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測量范圍及基本誤差限 熱電偶類別 | 代號 | 分度號 | 測量范圍 | 基本誤差限 | 鎳鉻-康銅 | WRK | E | 0-800℃ | ±0.75%t | 鎳鉻-鎳硅 | WRN | K | 0-1300℃ | ±0.75%t | 鉑銠13-鉑 | WRB | R | 0-1600℃ | ±0.25%t | 鉑銠10-鉑 | WRP | S | 0-1600℃ | ±0.25%t | 鉑銠30-鉑銠6 | WRR | B | 0-1800℃ | ±0.25%t |
注:t為感溫元件實(shí)測溫度值(℃) 熱電偶時(shí)間常數(shù) 熱惰性級別 | 時(shí)間常數(shù)(秒) | 熱惰性級別 | 時(shí)間常數(shù)(秒) | Ⅰ | 90-180 | Ⅲ | 10-30 | Ⅱ | 30-90 | Ⅳ | <10 |
◆熱電偶公稱壓力:一般是指在工作溫度下保護(hù)管所能承受的靜態(tài)外壓而破裂。 ◆熱電偶小插入深度:應(yīng)不小于其保護(hù)套管外徑的8-10倍(特列產(chǎn)品例外) ◆絕緣電阻:當(dāng)周圍空氣溫度為15-35℃,相對濕度<80%時(shí)絕緣電阻≥5兆歐(電壓100V)。具有防濺式接線盒的熱電偶,當(dāng)相對溫度為93± 3℃ 時(shí),絕緣電阻≥0.5兆歐(電壓100V) ◆高溫下的絕緣電阻:熱電偶在高溫下,其熱電極(包括雙支式)與保護(hù)管以及雙支熱電極之間的絕緣電阻(按每米計(jì))應(yīng)大于下表規(guī)定的值。 規(guī)定的長時(shí)間使用溫度(℃) | 試驗(yàn)溫度(℃) | 絕緣電阻值(Ω) | ≥600 | 600 | 72000 | ≥ 800 | 800 | 25000 | ≥1000 | 1000 | 5000 |
型號命名方法
| WSSX-483L,WSS-483L,WSS-413L,WSS-413L,WSS-503L,WSS-403L,WSSX-483S,WSSX-413S,WSS-483S,WSS-513S,WSS-413S,WSS-503S,WSS-403S,WSSX-486電接點(diǎn)雙金屬溫度計(jì),WSSX-416,WSSX-406,WSSX-485,WSSX-415,WSSX-405,WSSX-484,WSSX-414,WSSX-404,WSSX-483,WSSX-413,WSSX-403,WSSX-482,WZPK-124U,WZPK-406U,WZPK-503U,WZP-3212U,WZP-270U,WRNN2-436,WRP-130,WRP2-130,WRP-131,WRP2-131,WRQ-130,WRQ2-130,WRQ-131,WRQ2-131,WRR-130,WRR2-130,WZPK-336SA,WZPK2-335SA,WZPK-236SA,WZPK2-235SA,WZPK-333S,WZPK-334S,WZPK-335S,WZPK-236S,WZPK-235S,WZPK-234S,WZPK-233S,WZPK2-136S,WZPK2-135SA,WZPK-136S,WZPK-135S,WZPK-134S,WRNR-01,WRER2-14,WRNR2-14,WRER-14,WRER2-12,WRNR2-12,WRER-12,WRNR-12,WZP2-6312A,WZP-6312A,WZP-280鉑熱電阻WRNN-530耐腐型接近開關(guān),E3F1-R1N2示波器,YB1603接近開關(guān),E3S-GS15N電控?fù)Q向閥DQK-2452接近開關(guān),PR30-15DN2氣源處理體AR40-04超聲波測厚儀,AR850氣源處理體AC50-10D滑柱式電控?fù)Q向閥SR300-RM DT二通防爆系列BDF-32接近開關(guān),E3K80-DS50M1YN-ZD-10不銹鋼電熱蒸餾水器WZPK2-165SA化工專用熱電阻滑柱電控?fù)Q向閥SR350-DM RBX8,滑線變阻器 熱電阻WZPK-234S電磁閥J011SA-15示波器,YB2671A接近開關(guān),SD-2020AB涂層測厚儀,CM8821電力電容器,BSMJ0.4-7.5-3WZPN-431AWA5936型機(jī)械振動(dòng)儀滑柱電控?fù)Q向閥SR530-PS1 DW |