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由于发射的超声波脉冲有一定的宽度,使得距离换能器较近的小段区域内的反射波与发射波","CompanyName":"广州精倍测控技术有限公司","CompanyID":"168486","MarketPrice":"123","PsOrder":"0","PgID":"0","MaxOrder":"0","CityID":"213","City":"广州市","Address":"广州市","PropertysValue":"","HitNumber":"14","FrontShow":"0","IsCharges":"0","Year":"2","StarNum":"2","UpdateAndClientSort":"8123920","StandUrl":"/st168486","UpdateTime":"2018/6/12 14:40:03","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"4885","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0"},{"ID":"8437014","Picture":"2/20190523/636942164850591044825.jpg","PictureDomain":"img71","Name":"一体化超声波物位传感器","Type":"123","Descrip":"EAL超声波物位计的工作原理是由换能器(探头)发出超声波脉冲遇到被测介质表面被反射回来,部分反射回波被同一换能器接收,转换成电信号。超声波脉冲以声波速度传播,从发射到接收到超声波脉冲所需的时间间隔与换能器到被测介质表面的距离成正比。此距离值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。
由于发射的超声波脉冲有一定的宽度,使得距离换能器较近的小段区域内的反射波与发射波","CompanyName":"广州精倍测控技术有限公司","CompanyID":"168486","MarketPrice":"123","PsOrder":"0","PgID":"0","MaxOrder":"0","CityID":"213","City":"广州市","Address":"广州市","PropertysValue":"","HitNumber":"10","FrontShow":"0","IsCharges":"0","Year":"2","StarNum":"2","UpdateAndClientSort":"8123916","StandUrl":"/st168486","UpdateTime":"2018/6/12 14:36:09","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"4885","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0"},{"ID":"191282","Picture":"2/2008/633463556390070000.jpg","PictureDomain":"img42","Name":"超声波物位传感器","Type":"JCS","Descrip":"JCS系列超声波物位(液位、料位)变送器,采用测量时间差的原理,测得物料高度。该产品为非接触测量仪表,有很强的抗干扰能力,安装、维护、使用非常方便,更适合于环境复杂的工业现场。","CompanyName":"北京昆仑海岸传感技术中心","CompanyID":"14574","MarketPrice":"-1","PsOrder":"0","PgID":"0","MaxOrder":"0","CityID":"0","City":"","Address":"","PropertysValue":"","HitNumber":"247","FrontShow":"0","IsCharges":"0","Year":"12","StarNum":"2","UpdateAndClientSort":"7664891","StandUrl":"/st14574","UpdateTime":"2017/7/28 20:11:02","TodayIsUpdate":"0","AttType":"0","AttState":"0","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"2221","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0"},{"ID":"3775081","Picture":"","PictureDomain":"","Name":"大量程超声波物位传感器","Type":"","Descrip":"大量程超声波物位传感器CKY-60D实现了全数字化,人性化设计理念,具有完善的物/液位测控功能.数据传输功能和人机交流功能。采用工程塑料ABS防水外壳,防护等级为IP65。主芯片采用进口工业级单片机,数字温度补偿和超宽电压输入稳压等数十块相关专用集成电路,具有抗干扰性强,可选择模拟量,开关量及RS485输出,同时支持RS485(Modbus)串行方式菜单调试,弥补了无显示功能的不足。","CompanyName":"北京中航科仪测控技术有限公司","CompanyID":"91241","MarketPrice":"-1","PsOrder":"0","PgID":"126","MaxOrder":"0","CityID":"0","City":"","Address":"","PropertysValue":"","HitNumber":"183","FrontShow":"0","IsCharges":"0","Year":"6","StarNum":"2","UpdateAndClientSort":"7563023","StandUrl":"/st91241","UpdateTime":"2017/5/19 2:23:26","TodayIsUpdate":"0","AttType":"0","AttState":"0","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1887","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0"},{"ID":"3775098","Picture":"","PictureDomain":"","Name":"超声波物位传感器FDU80","Type":"","Descrip":"超声波物位传感器FDU80/FDU84
ProsonicFDU80...86超声波物位测量
非接触式连续测量物位和流量的探头,适用于易爆危险区","CompanyName":"深圳百源汇科技有限公司","CompanyID":"91357","MarketPrice":"-1","PsOrder":"0","PgID":"126","MaxOrder":"0","CityID":"0","City":"","Address":"","PropertysValue":"","HitNumber":"244","FrontShow":"0","IsCharges":"0","Year":"6","StarNum":"2","UpdateAndClientSort":"7511318","StandUrl":"/st91357","UpdateTime":"2017/4/13 4:38:34","TodayIsUpdate":"0","AttType":"0","AttState":"0","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1887","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 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