{"id":385,"date":"2024-07-30T17:24:06","date_gmt":"2024-07-30T09:24:06","guid":{"rendered":"https:\/\/www.bihec.com\/acoustics\/?p=385"},"modified":"2024-07-30T17:24:40","modified_gmt":"2024-07-30T09:24:40","slug":"apltile-sf5048","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/acoustics\/apltile-sf5048\/","title":{"rendered":"PRECISION ACOUSTICS,PA,Apltile SF5048,\u5355\u5c42\u5438\u58f0\u74f7\u7816"},"content":{"rendered":"<p>PRECISION ACOUSTICS,<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/pa\/\" title=\"View all posts in PA\" target=\"_blank\">PA<\/a>,<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/apltile-sf5048\/\" title=\"View all posts in Apltile SF5048\" target=\"_blank\">Apltile SF5048<\/a>,<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e5%8d%95%e5%b1%82%e5%90%b8%e5%a3%b0%e7%93%b7%e7%a0%96\/\" title=\"View all posts in \u5355\u5c42\u5438\u58f0\u74f7\u7816\" target=\"_blank\">\u5355\u5c42\u5438\u58f0\u74f7\u7816<\/a><\/p>\n<p>Apltile SF5048\u662f\u4e00\u79cd\u7ed3\u6784\u5316\u8868\u9762\u7684\u5355\u5c42\u5438\u58f0\u74f7\u7816\uff0c\u7531NPL\u8bbe\u8ba1\u3002<\/p>\n<p>\u6982\u8ff0 NPL\u6280\u672f\u5e94\u7528<\/p>\n<p>\u9002\u7528\u4e8e<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e4%bd%8e%e9%a2%91%e8%b6%85%e5%a3%b0%e6%b5%8b%e8%af%95%e6%a7%bd\/\" title=\"View all posts in \u4f4e\u9891\u8d85\u58f0\u6d4b\u8bd5\u69fd\" target=\"_blank\">\u4f4e\u9891\u8d85\u58f0\u6d4b\u8bd5\u69fd<\/a>\u7684\u7ed3\u6784\u5438\u58f0\u886c\u91cc \u5176\u6027\u80fd\u572820 kHz\u81f3200 kHz\u7684\u9891\u7387\u8303\u56f4\u5185\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u9002\u7528\u4e8e\u5927\u578b\u5e94\u7528\uff0c\u5982<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e8%b6%85%e5%a3%b0%e6%b5%8b%e8%af%95%e6%a7%bd%e8%a1%ac%e9%87%8c\/\" title=\"View all posts in \u8d85\u58f0\u6d4b\u8bd5\u69fd\u886c\u91cc\" target=\"_blank\">\u8d85\u58f0\u6d4b\u8bd5\u69fd\u886c\u91cc<\/a>\u3002\u4e3b\u8981\u7279\u70b9 \u57fa\u4e8e\u805a\u6c28\u916f\u6a61\u80f6\u6750\u6599 \u5355\u5c42\u7ed3\u6784\u5316\u8868\u9762\u4ee5\u51cf\u5c11\u58f0\u6ce2\u53cd\u5c04 \u74f7\u7816\u539a\u5ea6\uff1a50 mm \u74f7\u7816\u5c3a\u5bf8\uff1a600 mm x 600 mm \u5bc6\u5ea6\u4e3a2.1 g\/ml\uff0c+-0.030 \u6bcf\u5757\u74f7\u7816\u91cd\u91cf35 kg<\/p>\n<p>\u58f0\u5b66\u89c4\u683c \u63d2\u5165\u635f\u8017\uff08IL\uff09 \u8fd9\u9650\u5236\u6216\u5f71\u54cd\u4e86\u4f4e\u9891\u6027\u80fd\uff0c\u56e0\u4e3aIL\u968f\u9891\u7387\u964d\u4f4e\u3002\u5728100 kHz\u65f6\uff0c\u8be5\u6750\u659950 mm\u539a\u7684\u5355\u6b21\u7a7f\u900f\u63d2\u5165\u635f\u8017\u4e3a50 dB\uff0c\u8fd9\u610f\u5473\u7740\u53cc\u6b21\u7a7f\u900f\uff08\u6ce2\u7ecf\u8fc7\u74f7\u7816\u3001\u53cd\u5c04\u4e8e\u69fd\u58c1\u5e76\u518d\u6b21\u51fa\u5c04\uff09\u4e3a100 dB\u3002<\/p>\n<p>\u63d2\u5165\u635f\u8017\u968f\u9891\u7387\u589e\u52a0\u7684\u901f\u5ea6\u5982\u4e0b\uff1a20 kHz\uff1a15 dB\u5355\u6b21\u7a7f\u900f\uff1b100 kHz\uff1a50 dB\u5355\u6b21\u7a7f\u900f\uff1b200 kHz\uff1a80 dB\u5355\u6b21\u7a7f\u900f\u3002<\/p>\n<p>\u56de\u58f0\u51cf\u5c11\uff08ER\uff09 \u8fd9\u9650\u5236\u6216\u5f71\u54cd\u4e86\u69fd\u58c1\u886c\u91cc\u7684\u6027\u80fd\u3002\u5728200 kHz\u4ee5\u4e0b\uff0cER\u4f18\u4e8e-30 dB\u3002<\/p>\n<p>Apltile SF5048\uff0c\u662f\u4e00\u79cd<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e5%8d%95%e5%b1%82%e7%bb%93%e6%9e%84%e5%8c%96%e8%a1%a8%e9%9d%a2%e7%9a%84%e5%90%b8%e5%a3%b0%e7%93%b7%e7%a0%96\/\" title=\"View all posts in \u5355\u5c42\u7ed3\u6784\u5316\u8868\u9762\u7684\u5438\u58f0\u74f7\u7816\" target=\"_blank\">\u5355\u5c42\u7ed3\u6784\u5316\u8868\u9762\u7684\u5438\u58f0\u74f7\u7816<\/a>\uff0c\u65e8\u5728\u6ee1\u8db3<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/20-khz%e8%87%b3200-khz%e9%a2%91%e7%8e%87\/\" title=\"View all posts in 20 kHz\u81f3200 kHz\u9891\u7387\" target=\"_blank\">20 kHz\u81f3200 kHz\u9891\u7387<\/a>\u8303\u56f4\u5185\u5e94\u7528\u7684\u8981\u6c42\u3002\u5b83\u662f\u4e00\u79cd\u5fae\u6ce1\u586b\u5145\u7684<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e9%a2%84%e5%88%b6%e8%81%9a%e6%b0%a8%e9%85%af%e7%93%b7%e7%a0%96\/\" title=\"View all posts in \u9884\u5236\u805a\u6c28\u916f\u74f7\u7816\" target=\"_blank\">\u9884\u5236\u805a\u6c28\u916f\u74f7\u7816<\/a>\uff0c\u5177\u6709\u9ad8\u6c34\u5e73\u7684\u56de\u58f0\u51cf\u5c11\u548c\u63d2\u5165\u635f\u8017\u3002<\/p>\n<p>\u8fd9\u79cd\u6750\u6599\u7684\u7ec4\u5408\u7279\u6027\u4f7f\u5176\u53ef\u4ee5\u7528\u4e8e\u4ee5\u4e0b\u9886\u57df\uff1a<\/p>\n<ul>\n<li>\u4f5c\u4e3a<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e8%b6%85%e5%a3%b0%e6%b5%8b%e9%87%8f\/\" title=\"View all posts in \u8d85\u58f0\u6d4b\u91cf\" target=\"_blank\">\u8d85\u58f0\u6d4b\u91cf<\/a>\u69fd\u7684\u6d88\u58f0\u886c\u91cc\u7684\u9ad8\u6027\u80fd\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<li>\u7528\u4e8e<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e8%a7%a3%e8%80%a6%e5%92%8c%e9%9a%94%e7%a6%bb%e8%b6%85%e5%a3%b0%e6%b3%a2\/\" title=\"View all posts in \u89e3\u8026\u548c\u9694\u79bb\u8d85\u58f0\u6ce2\" target=\"_blank\">\u89e3\u8026\u548c\u9694\u79bb\u8d85\u58f0\u6ce2<\/a>\u7684\u58f0\u5b66\u6321\u677f\u3002<\/li>\n<\/ul>\n<p>Apltile SF5048\u662f\u4f4e\u9891\u5438\u58f0\u74f7\u7816\u7cfb\u5217\u7684\u4e00\u90e8\u5206\uff0c\u4e3a\u9891\u7387\u4f4e\u4e8e200 kHz\u7684\u5e94\u7528\u63d0\u4f9b\u4e86\u4f18\u5316\u7684\u9ad8\u6027\u80fd\u6750\u6599\u3002\u5728\u8be5\u8303\u56f4\u5185\uff0cApltile SF5048\u5177\u6709\u6700\u4f73\u7684\u56de\u58f0\u51cf\u5c11\u6548\u679c\uff0c\u5e76\u4e14\u572850 kHz\u4ee5\u4e0a\u63d0\u4f9b\u826f\u597d\u7684\u63d2\u5165\u635f\u8017\u3002\u8be5\u7cfb\u5217\u5176\u4ed6\u74f7\u7816\u572850 kHz\u4ee5\u4e0b\u7684\u63d2\u5165\u635f\u8017\u7565\u4f18\u4e8e\u5176\u3002<\/p>\n<p id=\"xvgOPxN\"><img loading=\"lazy\" width=\"1282\" height=\"815\" class=\"alignnone size-full wp-image-386 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219.png 1282w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-300x191.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-1024x651.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-768x488.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-500x318.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-800x509.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8ae9835219-1280x814.png 1280w\" sizes=\"(max-width: 1282px) 100vw, 1282px\" \/><\/p>\n<p>\u63d2\u5165\u635f\u8017\uff08IL\uff09\u5b9a\u4e49\u4e3a IL = \u221220 log10(Pt \/ Pi)\uff0c\u5176\u4e2dPt\u4e3a\u901a\u8fc7\u6837\u672c\u4f20\u8f93\u7684\u58f0\u538b\u5e45\u5ea6\uff0cPi\u4e3a\u65bd\u52a0\u5728\u6837\u672c\u4e0a\u7684\u58f0\u538b\u5e45\u5ea6\u3002\u7531\u4e8eApltile SF5048\u7684\u611f\u5174\u8da3\u9891\u7387\u8303\u56f4\uff0cIL\u5df2\u5728\u4ee5\u4e0b\u5b9e\u9a8c\u914d\u7f6e\u4e2d\u8fdb\u884c\u4e86\u8868\u5f81\uff1a<\/p>\n<ol>\n<li>\u572820 kHz\u81f3200 kHz\u8303\u56f4\u5185\uff0c\u4f5c\u4e3a\u672a\u652f\u6491\u7684\u74f7\u7816\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/li>\n<li>\u57282 kHz\u81f350 kHz\u8303\u56f4\u5185\uff0c\u5b89\u88c5\u57285 mm\u539a\u7684\u94a2\u652f\u6491\u677f\u4e0a\uff0c\u5982\u56fe2\u6240\u793a\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u4e9bIL\u6d4b\u91cf\u7684\u52a8\u6001\u8303\u56f4\u7ea6\u4e3a60 dB\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u8d85\u8fc7\u6b64\u503c\u7684\u6570\u636e\u51c6\u786e\u6027\u3002<\/p>\n<p>Apltile SF5048\u7684\u63d2\u5165\u635f\u8017\uff08IL\uff09\u6570\u636e\u7531\u4f26\u6566\u56fd\u5bb6\u7269\u7406\u5b9e\u9a8c\u5ba4\u63d0\u4f9b\u3002Apltile SF5048\u7ecf\u8fc7\u4e86\u5e7f\u6cdb\u7684\u6821\u51c6\uff0c\u5173\u4e8e\u5176\u5728\u6e29\u5ea6\u548c\u9759\u6c34\u538b\u529b\u53d8\u5316\u6761\u4ef6\u4e0b\u6027\u80fd\u53d8\u5316\u7684\u8fdb\u4e00\u6b65\u6570\u636e\u53ef\u6839\u636e\u5ba2\u6237\u8bf7\u6c42\u4ece<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/precision-acoustics\/\" title=\"View all posts in Precision Acoustics\" target=\"_blank\">Precision Acoustics<\/a> Ltd\u83b7\u53d6\u3002<\/p>\n<p id=\"AWQwakR\"><img loading=\"lazy\" width=\"725\" height=\"954\" class=\"alignnone size-full wp-image-387 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8af13e7362.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8af13e7362.png 725w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8af13e7362-228x300.png 228w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8af13e7362-500x658.png 500w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><\/p>\n<p>\u56de\u58f0\u51cf\u5c11\uff08ER\uff09\u5b9a\u4e49\u4e3aER = \u221220 log10(Pr \/ Pi)\uff0c\u5176\u4e2dPr\u662f\u4ece\u6837\u672c\u53cd\u5c04\u7684\u58f0\u538b\u5e45\u5ea6\uff0cPi\u662f\u4f5c\u7528\u4e8e\u6837\u672c\u7684\u58f0\u538b\u5e45\u5ea6\u3002\u7531\u4e8eApltile SF5048\u611f\u5174\u8da3\u7684\u9891\u7387\u8303\u56f4\uff0cER\u5df2\u5728\u4ee5\u4e0b\u5b9e\u9a8c\u914d\u7f6e\u4e2d\u8fdb\u884c\u4e86\u8868\u5f81\uff1a1. \u4f5c\u4e3a\u672a\u652f\u6491\u7684\u74e6\u7247\u572820 kHz\u81f3200 kHz\u8303\u56f4\u5185\uff0c\u5982\u56fe3\u6240\u793a\u30022. \u5b89\u88c5\u57285 mm\u94a2\u652f\u6491\u677f\u4e0a\uff0c\u57282 kHz\u81f325 kHz\u8303\u56f4\u5185\uff0c\u5982\u56fe4\u6240\u793a\u3002\u8fd9\u4e9bER\u6d4b\u91cf\u7684\u52a8\u6001\u8303\u56f4\u7ea6\u4e3a60 dB\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u9ad8\u4e8e\u6b64\u503c\u7684\u6570\u503c\u3002\u5173\u4e8eApltile SF5048\u7684ER\u6570\u636e\u7531\u4f26\u6566\u56fd\u5bb6\u7269\u7406\u5b9e\u9a8c\u5ba4\u63d0\u4f9b\u3002Apltile SF5048\u7ecf\u8fc7\u4e86\u5e7f\u6cdb\u7684\u6821\u51c6\uff0c\u5173\u4e8e\u5176\u5728\u6e29\u5ea6\u548c\u9759\u6c34\u538b\u529b\u53d8\u5316\u6761\u4ef6\u4e0b\u6027\u80fd\u53d8\u5316\u7684\u8fdb\u4e00\u6b65\u6570\u636e\u53ef\u6839\u636e\u5ba2\u6237\u8bf7\u6c42\u4ecePrecision Acoustics Ltd\u83b7\u53d6\u3002<\/p>\n<p id=\"SXUUaZs\"><img loading=\"lazy\" width=\"735\" height=\"984\" class=\"alignnone size-full wp-image-388 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8afb33ab53.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8afb33ab53.png 735w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8afb33ab53-224x300.png 224w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8afb33ab53-500x669.png 500w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/p>\n<p>\u5206\u6570\u529f\u7387\u635f\u8017\uff08FPD\uff09\u5b9a\u4e49\u4e3aFPD = 1 \u2212 (Pr \/ Pi)^2 \u2212 (Pt \/ Pi)\uff0c\u5176\u4e2dPr\u662f\u4ece\u6837\u672c\u53cd\u5c04\u7684\u58f0\u538b\uff0cPt\u662f\u901a\u8fc7\u6837\u672c\u4f20\u9012\u7684\u58f0\u538b\uff0cPi\u662f\u4f5c\u7528\u4e8e\u6837\u672c\u7684\u58f0\u538b\u3002\u8fd9\u4e9b\u6570\u636e\u662f\u4eceApltile SF5048\u7684ER\u548cIL\u6d4b\u91cf\u4e2d\u63a8\u5bfc\u51fa\u6765\u7684\uff0c\u5177\u4f53\u5b9e\u9a8c\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u4f5c\u4e3a\u672a\u652f\u6491\u7684\u74e6\u7247\u572820 kHz\u81f3200 kHz\u8303\u56f4\u5185\uff0c\u5982\u56fe5\u6240\u793a\u3002<\/li>\n<li>\u5b89\u88c5\u57285 mm\u539a\u94a2\u652f\u6491\u677f\u4e0a\uff0c\u57282 kHz\u81f350 kHz\u8303\u56f4\u5185\uff0c\u5982\u56fe6\u6240\u793a\u3002<\/li>\n<\/ol>\n<p id=\"lPuzNwF\"><img loading=\"lazy\" width=\"747\" height=\"1003\" class=\"alignnone size-full wp-image-389 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b004a4fbb.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b004a4fbb.png 747w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b004a4fbb-223x300.png 223w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b004a4fbb-500x671.png 500w\" sizes=\"(max-width: 747px) 100vw, 747px\" \/><\/p>\n<figure id=\"attachment_390\" aria-describedby=\"caption-attachment-390\" style=\"width: 1312px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-390 size-full\" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27.png\" alt=\"PRECISION ACOUSTICS,PA,Apltile SF5048,\u5355\u5c42\u5438\u58f0\u74f7\u7816\" width=\"1312\" height=\"794\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27.png 1312w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27-300x182.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27-1024x620.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27-768x465.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27-500x303.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2024\/07\/img_66a8b01822e27-800x484.png 800w, 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