http://www.63504668.com http://www.yqybzhan.com http://www.jsbyb.com http://www.shwjzdh.com http://www.oneyb.com http://www.ttyssy.com http://www.591718.com http://www.shuangxu.net http://www.shanghaiyiqi.com http://www.shuangxudianzi.com http://www.yqybjyw.com http://www.63504668.cn http://www.shanghaiybw.com http://www.591718.cn http://www.591718.net http://www.591718.com.cn http://99999sx.com http://www.zctty.com WZPK-266S,WZPK-265S,WZPK-264S,WZP-166S,WZPK-263S,WZPK-165S鎧裝鉑電阻,WZPK-535S,WZPK-533S,WZPK-534S,WZPK2-436SA,WZPK2-435SA,WZPK-435S,WZPK-434S,WZPK-433S,WZPK2-336SA,WZPK-235U,WZPK-134U,WZPK-236S,WZPK2-335SA,WZPK-336S,WZPK-235S,WZPK-325U,WZPK-234S,WZPK-335S,WZPK-404U,WZPK-126U,WZPK-334S,WZPK-233S,WZPK-365U,WZPK2-136SA,WZPK-333S,WZPK2-236SA,WZPK2-135SA,WZPK-136S,WZPK2-235SA,WZPK-135S,WZPK-134S,WZPK-524U,WZPK-123U,WZPK2-525SA,WZPK-525S,電磁脈沖閥DMF-25KLT2-1雙向拉繩開(kāi)關(guān) 二位三通滑柱電控?fù)Q向閥SR561-DM R滑柱電控?fù)Q向閥AR361-DN2溫度變送器SBWZ-4481/24SKD熱電阻WZPK-123U,WZPK123UFM-OL1,被測(cè)自感箱WZP-280鉑熱電阻WRNN-530耐腐型接近開(kāi)關(guān),E3F1-R1N2示波器,YB1603接近開(kāi)關(guān),E3S-GS15N電控?fù)Q向閥DQK-2452接近開(kāi)關(guān),PR30-15DN2氣源處理體AR40-04超聲波測(cè)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(kāi)關(guān),E3K80-DS50M1YN-ZD-10不銹鋼電熱蒸餾水器WZPK2-165SA化工專(zhuān)用熱電阻滑柱電控?fù)Q向閥SR350-DM RBX8,滑線(xiàn)變阻器 熱電阻WZPK-234S電磁閥J011SA-15示波器,YB2671A接近開(kāi)關(guān),SD-2020AB涂層測(cè)厚儀,CM8821電力電容器,BSMJ0.4-7.5-3WRE43C套管式熱電偶,熱電阻,WRE-43C,的詳細(xì)資料: |
熱電偶類(lèi)別 | 代號(hào) | 分度號(hào) | 測(cè)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(cè)溫度值(℃) 熱電偶時(shí)間常數(shù) 熱惰性級(jí)別 | 時(shí)間常數(shù)(秒) | 熱惰性級(jí)別 | 時(shí)間常數(shù)(秒) | Ⅰ | 90-180 | Ⅲ | 10-30 | Ⅱ | 30-90 | Ⅳ | <10 | ◆熱電偶公稱(chēng)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?chē)諝鉁囟葹?5-35℃,相對(duì)濕度<80%時(shí)絕緣電阻≥5兆歐(電壓100V)。具有防濺式接線(xiàn)盒的熱電偶,當(dāng)相對(duì)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(zhǎng)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(hào)命名方法
|
|