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    1传声器:Φ12.7mm(1/2″)驻极体测试电容传声器
    2测量范围:30dB~130dB
    3频率范围:20Hz~10KHz
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    符合国际委员会IEC651Type2和美国标准ANSIS1.4Type2
    ·测量范围:30~130分贝
    ·自动换档功能
    ·快速/慢速反应速率选择
    ·Z大值锁定功能
    ·背光照明
    ·外壳采用复合材料注塑工艺
    ·省电型和高可靠性电路设计
    ·声压准确度:±1.5dB(音压标准,94dB@1KHz)
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    浮筒液位计是根据阿基米德定律和磁偶合原理进行测量的。当液位发生变
    化时,致使弹簧发生线性位移。弹簧位移量与液体的变化成正比,借助磁偶合的方
    法由状在容器外面作为显示用的测量机构进行转换。这种传输方式可使测量与显示
    系统相互隔离。现场显示不需附加电源。配上进口的转角变送器K3W2,可用标准电
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    ·数据保持
    ·背景光
    ·电量不足指示
    ·超量程指示
    ·日期时间显示
    ·手动自动量程选择
    ·快慢响应选择
    ·Z大值保持功能
    ·电源:6×1.5VAAA
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    ·数字显示:1999计数
    ·测量范围:30dB∽130dB
    ·精度:±2dB
    ·分辨率:0.1dB
    频率:30hz-8khz
    ·采样率:4次/秒,1次/秒
    ·数据保持
    ·背景光
    ·电量不足指示
    ·超量程指示
    ·日期时间显示
    ·手动自动量程选择
    ·快慢响应选择$","CompanyName":"北京海富达科技有限公司","CompanyID":"51847","MarketPrice":"-1","PsOrder":"3324","PgID":"73","MaxOrder":"4","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"252","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"4","UpdateAndClientSort":"107781199","StandUrl":"/st51847","UpdateTime":"2017/10/17 14:39:39","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1778","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":"4139732","Picture":"2/20140922/635470022667901393987.jpg","PictureDomain":"img63","Name":"HS5633T型数字声级计","Type":"","Descrip":"性能:符合GB/T3785-2型和61672-2级标准要求的数字声级计
    用途:适用于环境噪声的定点在线监测以及汽车检测线噪声的自动测量。
    特点:
    ●采用定制大屏幕LCD显示,
    ●具有瞬时声级数据输出,每秒1个Lp数据。
    ●具有交流和直流信号
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    符合国际委员会IEC651Type2和美国标准ANSIS1.4Type2
    ·测量范围:30~130分贝
    ·自动换档功能
    ·快速/慢速反应速率选择
    ·Z大值锁定功能
    ·背光照明
    ·外壳采用复合材料注塑工艺
    ·省电型和高可靠性电路设计
    ·声压准确度:±1.5dB(音压标准,94dB@1KHz)
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    产品描述

    ·数字显示:1999计数
    ·测量范围:30dB∽130dB
    ·精度:±2dB
    ·分辨率:0.1dB
    频率:30hz-8khz
    ·采样率:4次/秒,1次/秒
    ·数据保持
    ·背景光
    ·电量不足指示
    ·超量程指示
    ·日期时间显示
    ·","CompanyName":"北京海富达科技有限公司","CompanyID":"51847","MarketPrice":"-1","PsOrder":"3324","PgID":"73","MaxOrder":"4","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"459","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"4","UpdateAndClientSort":"107724731","StandUrl":"/st51847","UpdateTime":"2017/9/8 9:31:28","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1778","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":"2406950","Picture":"2/20120419/634704524310187493.jpg","PictureDomain":"img42","Name":"小巧轻便数字声级计ZX7M-6708","Type":"库号:M395925","Descrip":"小巧轻便数字声级计ZX7M-6708

    符合国际委员会IEC651Type2和美国标准ANSIS1.4Type2
    ·测量范围:30~130分贝
    ·自动换档功能
    ·快速/慢速反应速率选择
    ·Z大值锁定功能
    ·背光照明
    ·外壳采用复合材料注塑工艺
    ·省电型和高可靠性电路设计
    ·声压准确度:±1.5dB(音压标准,94dB@1KHz)
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    产品描述

    ·数字显示:1999计数
    ·测量范围:30dB∽130dB
    ·精度:±2dB
    ·分辨率:0.1dB
    频率:30hz-8khz
    ·采样率:4次/秒,1次/秒
    ·数据保持
    ·背景光
    ·电量不足指示
    ·超量程指示
    ·日期时间显示
    ·","CompanyName":"北京海富达科技有限公司","CompanyID":"51847","MarketPrice":"-1","PsOrder":"3324","PgID":"73","MaxOrder":"4","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"192","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"4","UpdateAndClientSort":"107724721","StandUrl":"/st51847","UpdateTime":"2017/9/8 9:21:41","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1778","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":"2040899","Picture":"2/20110817/634491716773893367.jpg","PictureDomain":"img46","Name":"噪声类/数字声级计 型号:JH8HS5633B 库号:M263766","Type":"JH8HS5633B ","Descrip":"噪声类/数字声级计型号:JH8HS5633B库号:M263766
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    概述
    JH8HS5633型数字声级计是一种便携式袖珍噪声测试仪器,内置单片机,其性能符合GB3785和IEC61672标准对2级数字声级计的要求,它具有体积小、重量轻、便于携带、数字显示、全量程测量、夜间背光显示、Z大值保持、超限报警、电池供电、交流/直流输出等优点,是测量交通噪声、工业噪声及其它各种噪声的理想监测仪器。

    二主要技术性能
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    库号:M210948查看hh
    midwest-group
    midwest-group
    数字声级计适用于工厂、学校、办公室、交通道路、家庭、等各种场合之噪音量测量。体积小、重量轻、便于携带,使用方便。
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