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標準儀表的選擇原則
發布日期:2012-08-28 瀏覽次數:1702

    標準表的允許絕對誤差應小于被校表的允許絕對誤差的1/3~1/5,這樣可忽略標準表的誤差,將其示值作為真實壓力。采用此種校驗方法比較方便,所以實際校驗中應用較多。將被校壓力表示值與標準壓力比較的方法主要用于校驗0.2級以上的精密壓力表,亦可用于校驗各種工業用壓力表。
    常用的壓力校準儀器有液柱式壓力計、活塞式壓力計或配有高準確度標準表的壓力校驗泵。
 

西安仕樂克儀表科技有限公司專業研發生產銷售壓力變送器,差壓變送器,采用頂尖精密生成設備加工生產,高品質,低價位,壓力變送器主要運用于電力冶金石油化工水利輕工機械等領域,產品遠銷南亞、西亞、歐洲。公司主要生產差壓變送器,羅斯蒙特3051,EJA110A,SLK系列智能型變送器、PT100系列熱電阻、熱電偶、流量計(渦街、V錐、電磁)、拉、壓力箔式法蘭式液位變送器傳感器以及各式智能壓力變送器。
Keywords: 壓力變送器 差壓變送器 差壓變送器廠家 EJA壓力變送器 壓力變送器廠家 羅斯蒙特壓力變送器
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