关键字:罗斯蒙特流量计 http://www.yp1151.com/ 罗斯蒙特流量计流量管是反馈电路和驱动线圈在谐振频率上振动,振动管质量由振动管中介质质量和振动管本身质量两部分组成,振动管谐振频率与振动管材料、质量及结构有关。罗斯蒙特流量计密度测量流量管一端被固定,而另一端是自由活动的。这一结构可看做重物悬挂弹簧上构成弹簧系统,一旦被施以运动,这弹簧系统谐振频率将会振动,由此可得出系统的谐振频率与重物质量有关。一台传感器确定好后振动管后,其本身质量也就确定了,振动管体积与介质密度乘积是振动管中介质质量,在确定了传感器的材料和结构,测量流量管谐振频率便可以获得介质密度。由此可见,介质密度与振动频率有直接相应关系,振动管体积对每种口径传感器来说也是固定的。利用罗斯蒙特流量计对信号检测器进行测量可获得谐振频率信号,温度传感器信号可用于补偿流量管钢性变化由温度变化所引起,测量流量管振动周期和温度可获得振动周期测量数据,测量介质密度利用了密度与流量管标准校定常数及振动周期线性关系。联系人:陈先生手机:13968728530地址:乐清市柳市镇柳翁路65号原文出处:http://www.yp1151.com/news_show.asp?id=852ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" sandbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A134217728%2C9%3A134250504%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=28.0.0&pra=5&wgl=1&dt=1618300667195&bpp=8&bdt=112&idt=194&shv=r20210407&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3Db656b6bb827fc305-22e2b0f20bc400a4%3AT%3D1602660174%3ART%3D1602660174%3AS%3DALNI_MZRQsPf2qOvf5Ld0nQ2AHzdd2m-cw&nras=1&correlator=6826878861087&frm=23&ife=1&pv=1&ga_vid=670542214.1618300667&ga_sid=1618300667&ga_hid=258552991&ga_fc=0&nhd=1&u_tz=480&u_his=4&u_java=0&u_h=1080&u_w=1920&u_ah=1030&u_aw=1920&u_cd=24&u_nplug=15&u_nmime=30&adx=-12245933&ady=-12245933&biw=1312&bih=609&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=44740079&oid=3&pvsid=4015584864285334&pem=719&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php&eae=2&fc=1920&brdim=0%2C119%2C0%2C119%2C1920%2C0%2C1920%2C883%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=4&bc=31&ifi=1&uci=1.y253qtjotb66&fsb=1&dtd=203" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.y253qtjotb66" data-load-complete="true"> |