关键字:E+H超声波液位计 http://www.dkmeh.com/ E+H超声波液位计价格低,体积小,重量轻,可用于食品,化工,半导体等行业对液体和散装固体非接解式物位测量,可用于远程物位监控和泵的控制。 E+H超声波液位计的原理是通过高频脉冲声波由换能器(探头)发出,遇被测物体(水面)表面被反射,折回的反射回波被同一换能器(探头)接收,转换成电信号。E+H超声波液位计脉冲发送和接收之间的时间(声波的运动时间)与换能器到物体表面的距离成正比,声波传输的距离S与声速C和传输时间T之间的关系可以用公式表示:S=C*T/2。 在实际使用中,因为安装时考虑不周,液位计被水淹没,致使液位计完全损坏,所以安装问题需要引起重视。E+H超声波液位计机械安装时应注意:安装应垂直于测是物表面,避免用于测量泡沫性质物体,避免安装于距测量物体表面距离小于盲区距离,应考虑避开阻挡物质不与灌口和容器壁相遇,检测大块固体物应调整探头方位,减少测量误差。 安装E+H超声波液位计时必须考虑的盲区问题。当液位进入盲区后,超声波变送器就无法测量液位了,所以在确定超声波液位计的量程时,必须留出50公分的余量,安装时,变送器探头必须高出高液位50公分左右。这样才能确保对液位的准确监测及确保超声波液位计的安全。德科蒙过程控制(武汉)有限公司座机:027-88062221传真:027-88068180邮箱: sales@whdkm.com原文出处:http://www.dkmeh.com/a/news/499.htmlPARent;">ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" sandbox="allow-forms allow-pointer-lock 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%2C9%3A32776%2C10%3A32%2C11%3A32%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C40%3A32&guci=2.2.0.0.2.2.0.0&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=32.0.0&pra=5&wgl=1&dt=1598515360772&bpp=3&bdt=306&idt=166&shv=r20200825&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3D5fb7eae809183df8%3AT%3D1588147156%3AS%3DALNI_MZhOWs11HQ-EEy1X6tCtUAbNrQ6cw&nras=1&correlator=7513138880005&frm=23&ife=1&pv=1&ga_vid=1569236160.1598515361&ga_sid=1598515361&ga_hid=1403593048&ga_fc=0&iag=3&icsg=42&nhd=1&dssz=4&mdo=0&mso=0&u_tz=480&u_his=6&u_java=0&u_h=1080&u_w=1920&u_ah=1030&u_aw=1920&u_cd=24&u_nplug=17&u_nmime=34&adx=-12245933&ady=-12245933&biw=1243&bih=605&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=21066944%2C21065725%2C21066533&oid=3&pvsid=1981085019186769&pem=16&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&rx=0&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1030%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=8204&bc=31&ifi=0&uci=0.txho4wvrxuff&fsb=1&dtd=240" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.txho4wvrxuff" data-load-complete="true"> |