HS5633B型通用声级�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> 一. 应用范围及特点：</p><p> HS5633B通用声级计是按声级计新标准要求创新研制而成，设� A、C频率计权网络�?*值保持、高低量程、过载与欠量数显指标及交直流信号输出等功能，适用于环境、交通噪声、机械和电气噪声等的测量，也可用于建筑声学、电声等测量。该仪器性能稳定，使用方便，具有结构紧凑、体积小、重量轻的优点。特别适用各种噪声的现场测量。仪器性能符合《JJG188�?002声级计检定规程》和IEC61627《声级计》标准对２级要求、�/p><p> �? 主要技术指标及功能９�/p><p> 1� 声级测量范围：（�?��10-5Pa为参考）</p><p> 1) 35�?30dB（A）；</p><p> 2) 40�?30dB（C）、�/p><p> 2� 频率范围�?0Hz�?2.5kHz：�/p><p> 3� 频率计权特性：A、C计权：�/p><p> 4� 级量程分挡设设置９�/p><p> 1) L（低）：35dB�?00dB（参考量程），＞100dB过载指示：�/p><p> 2) H（高）：65dB�?30dB ，＜65dB欠量程指示，�?30dB过载指示、�/p><p> 5� 时间计权与保持设置：快特性F（快）；HOLD：保�?*瞬时声级：�/p><p> 6� 显示器：50mm��20mm三位半液晶显示器，分辨率0.1dB，更新速率�?�?每秒：�/p><p> 7� 声校准：HS6020�?4dB�?000Hz）；</p><p> 8� 电源：DC 7V�?V，使用一�?V叠层电池：�/p><p> 9� 交流信号输出�?*有效值约2V，阻�?00欧姆：�/p><p> 10� 直流信号输出�?.3V�?.3V（按0.1V/10dB变化，负载阻�?M��）、�/p><p> �? 其它９�/p><p> 1� 选购附件：校准器�?M延伸电缆：�/p><p> 2� � 寸：246mm��70mm��30mm：�/p><p> 3� � 量：260g（带电池）；</p><p> 4� 基本配置：主机、风罩、钟表起子、铝合金箱；</p><p><font>盐城银河科技有限公司</font>专业生产大气采样器，个体大气采样器，定点大气采样器，防爆大气采样器，防爆个体大气采样器，粉尘采样器，个体粉尘采样器，防爆粉尘采样器，防爆个体粉尘采样器，矿用粉尘采样器，矿用个体采样器，恒流大气采样�?/p><p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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