{"id":601,"date":"2026-03-17T15:17:12","date_gmt":"2026-03-17T07:17:12","guid":{"rendered":"https:\/\/www.bihec.com\/acoustics\/?p=601"},"modified":"2026-03-17T15:17:12","modified_gmt":"2026-03-17T07:17:12","slug":"%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86precision-acoustics-pa-nh2000%e6%b0%b4%e5%90%ac%e5%99%a82-0-mm-%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8nh2000","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/acoustics\/%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86precision-acoustics-pa-nh2000%e6%b0%b4%e5%90%ac%e5%99%a82-0-mm-%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8nh2000\/","title":{"rendered":"\u8fdb\u53e3\u4ee3\u7406Precision Acoustics PA NH2000\u6c34\u542c\u5668,2.0 mm \u9488\u5f0f\u6c34\u542c\u5668NH2000"},"content":{"rendered":"<p>2.0 mm <a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8\/\" title=\"View all posts in \u9488\u5f0f\u6c34\u542c\u5668\" target=\"_blank\">\u9488\u5f0f\u6c34\u542c\u5668<\/a>\u662f <a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/precision-acoustics\/\" title=\"View all posts in Precision Acoustics\" target=\"_blank\">Precision Acoustics<\/a> Ltd. \u751f\u4ea7\u7684\u4e00\u7cfb\u5217\u9488\u5f0f<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e6%b0%b4%e5%90%ac%e5%99%a8\/\" title=\"View all posts in \u6c34\u542c\u5668\" target=\"_blank\">\u6c34\u542c\u5668<\/a>\u4e4b\u4e00\u3002\u5b83\u88ab\u8bbe\u8ba1\u7528\u4e8e\u4e0e\u53ef\u6f5c\u5f0f<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/\" title=\"View all posts in \u524d\u7f6e\u653e\u5927\u5668\" target=\"_blank\">\u524d\u7f6e\u653e\u5927\u5668<\/a>\u548c\u5e26\u7535\u6e90\u7684<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e7%9b%b4%e6%b5%81%e8%80%a6%e5%90%88%e5%99%a8\/\" title=\"View all posts in \u76f4\u6d41\u8026\u5408\u5668\" target=\"_blank\">\u76f4\u6d41\u8026\u5408\u5668<\/a>\u914d\u5408\u4f7f\u7528\uff0c\u4ece\u800c\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6c34\u542c\u5668\u7cfb\u7edf\u3002\u672c\u6570\u636e\u8868\u4e2d\u6240\u62a5\u544a\u7684\u6240\u6709\u6027\u80fd\u53c2\u6570\u5747\u6307\u5305\u542b 2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u3001\u524d\u7f6e<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e6%94%be%e5%a4%a7%e5%99%a8\/\" title=\"View all posts in \u653e\u5927\u5668\" target=\"_blank\">\u653e\u5927\u5668<\/a>\u548c\u76f4\u6d41\u8026\u5408\u5668\u7684\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<p>\u6c34\u542c\u5668\u7684\u654f\u611f\u5143\u4ef6\u5c3a\u5bf8\u4f1a\u5f71\u54cd\u5176\u591a\u9879\u6027\u80fd\uff0c\u5305\u62ec\u7075\u654f\u5ea6\u3001\u9891\u7387\u54cd\u5e94\u3001\u65b9\u5411\u6027\u54cd\u5e94\u3001\u52a8\u6001\u8303\u56f4\u4ee5\u53ca\u566a\u58f0\u7b49\u6548\u58f0\u538b\u3002\u672c\u6280\u672f\u6570\u636e\u8868\u4f9d\u636e IEC 62127 \u7b2c 3 \u90e8\u5206 [3] \u7f16\u5236\uff0c\u5e76\u63d0\u4f9b\u4e86 2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u8be6\u7ec6\u89c4\u683c\u8bf4\u660e\u3002<\/p>\n<p>2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u662f\u4e00\u79cd\u9ad8\u7075\u654f\u5ea6\u8bbe\u5907\uff0c\u9488\u5bf9 2 MHz \u4ee5\u4e0b\u7684\u5e94\u7528\u8fdb\u884c\u4e86\u4f18\u5316\u3002<\/p>\n<p>&nbsp;<\/p>\n<p id=\"rUnRrEE\"><img decoding=\"async\" loading=\"lazy\" width=\"897\" height=\"777\" class=\"alignnone size-full wp-image-602 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3.png 897w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3-300x260.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3-768x665.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3-500x433.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f064e20a3-800x693.png 800w\" sizes=\"(max-width: 897px) 100vw, 897px\" \/><\/p>\n<p><strong>\u4ea7\u54c1\u63cf\u8ff0<\/strong><\/p>\n<p>2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u662f\u4e00\u79cd\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u5668\uff0c\u9488\u5bf9 2 MHz \u4ee5\u4e0b\u7684\u4f7f\u7528\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u5e76\u9002\u7528\u4e8e 100 kHz \u81f3 10 MHz \u8303\u56f4\u5185\u7684\u6d4b\u91cf\u3002\u8f83\u5927\u7684\u654f\u611f\u9762\u79ef\u4f7f\u5176\u80fd\u591f\u6d4b\u91cf\u7ea6 150 Pa \u7684\u4fe1\u53f7\u3002\u7136\u800c\uff0c\u8f83\u5927\u7684\u4f20\u611f\u5668\u9762\u79ef\u4f1a\u5bfc\u81f4\u66f4\u5177\u65b9\u5411\u6027\u7684\u54cd\u5e94\u7279\u6027\uff0c\u5c24\u5176\u662f\u5728\u66f4\u9ad8\u9891\u7387\u4e0b\u3002<\/p>\n<p><strong>\u89c4\u683c<\/strong><\/p>\n<p id=\"Emuadrq\"><img decoding=\"async\" loading=\"lazy\" width=\"1581\" height=\"982\" class=\"alignnone size-full wp-image-603 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0.png 1581w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-300x186.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-1024x636.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-768x477.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-1536x954.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-500x311.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-800x497.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f6f42edf0-1280x795.png 1280w\" sizes=\"(max-width: 1581px) 100vw, 1581px\" \/><\/p>\n<p><strong>\u5c3a\u5bf8<\/strong><\/p>\n<p id=\"EsPBrkp\"><img decoding=\"async\" loading=\"lazy\" width=\"1705\" height=\"513\" class=\"alignnone size-full wp-image-604 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136.png 1705w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-300x90.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-1024x308.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-768x231.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-1536x462.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-500x150.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-800x241.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f70616136-1280x385.png 1280w\" sizes=\"(max-width: 1705px) 100vw, 1705px\" \/><\/p>\n<p><strong>\u7075\u654f\u5ea6\u4e0e\u9891\u7387\u54cd\u5e94<\/strong><br \/>\n\u6240\u6709\u63a2\u9488\u578b\u6c34\u542c\u5668\u7684\u9891\u7387\u54cd\u5e94\u90fd\u662f\u9891\u7387\u7684\u51fd\u6570\u3002\u8fd9\u79cd\u54cd\u5e94\u7684\u7406\u8bba\u57fa\u7840\u5df2\u88ab\u5145\u5206\u7406\u89e3\uff0c\u5e76\u5728\u5176\u4ed6\u6587<br \/>\n\u732e\u4e2d\u6709\u6240\u63cf\u8ff0 [1]\u3002\u56fe 2 \u548c\u56fe 3 \u663e\u793a\u4e86\u5f53\u9488\u5f0f\u6c34\u542c\u5668\u4e0e\u5176\u76f8\u5e94\u7684\u524d\u7f6e\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\uff0c\u5e76\u4ee5 50 \u03a9<br \/>\n\u8d1f\u8f7d\u65f6\u7684\u5178\u578b\u7aef\u7535\u7f06\u8d1f\u8f7d\u7075\u654f\u5ea6\u3002\u8fd9\u4e9b\u56fe\u4e2d\u663e\u793a\u7684\u6570\u636e\u96c6\u5747\u7531\u4f26\u6566\u56fd\u5bb6\u7269\u7406\u5b9e\u9a8c\u5ba4\uff08NPL\uff09\u91c7\u96c6\u3002<\/p>\n<p id=\"Ylxfdjg\"><img decoding=\"async\" loading=\"lazy\" width=\"1797\" height=\"980\" class=\"alignnone size-full wp-image-605 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc.png 1797w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-300x164.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-1024x558.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-768x419.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-1536x838.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-500x273.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-800x436.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f725ee3dc-1280x698.png 1280w\" sizes=\"(max-width: 1797px) 100vw, 1797px\" \/><\/p>\n<p id=\"OkZnGTm\"><img decoding=\"async\" loading=\"lazy\" width=\"1744\" height=\"987\" class=\"alignnone size-full wp-image-606 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf.png 1744w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-300x170.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-1024x580.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-768x435.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-1536x869.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-500x283.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-800x453.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f73318edf-1280x724.png 1280w\" sizes=\"(max-width: 1744px) 100vw, 1744px\" \/><\/p>\n<p>\u7528\u4e8e\u8fdb\u884c\u58f0\u538b\u7edd\u5bf9\u6d4b\u91cf\u7684\u9488\u5f0f\u6c34\u542c\u5668\u5e94\u81f3\u5c11\u6bcf 12 \u4e2a\u6708\u6821\u51c6\u4e00\u6b21\u3002\u6c34\u542c\u5668\u5e94\u6bcf\u6708\u4e0e\u53c2\u8003\u58f0\u6e90\u8fdb\u884c\u6bd4\u5bf9\uff0c\u4ee5\u4fbf\u6bd4\u5e74\u5ea6\u6821\u51c6\u5468\u671f\u66f4\u65e9\u5730\u53d1\u73b0\u7075\u654f\u5ea6\u7684\u53d8\u5316\u3002<\/p>\n<p>\u9891\u7387\u54cd\u5e94\u6d4b\u91cf\u7684\u4e0d\u786e\u5b9a\u5ea6\u662f\u6309\u7167\u6587\u732e [2] \u4e2d\u5efa\u7acb\u7684\u65b9\u6cd5\u786e\u5b9a\u7684\u3002\u4e3b\u8981\u7684\u4e0d\u786e\u5b9a\u5ea6\u6765\u6e90\u4e4b\u4e00\u662f\u7528\u4e8e\u6821\u51c6\u7684\u53c2\u8003\u6c34\u542c\u5668\u7684\u6821\u51c6\u6240\u5f15\u8d77\u7684\u4e0d\u786e\u5b9a\u5ea6\uff0c\u800c\u8be5\u53c2\u8003\u6c34\u542c\u5668\u672c\u8eab\u53ef\u8ffd\u6eaf\u5230\u56fd\u5bb6\u57fa\u51c6\u6807\u51c6\u3002<\/p>\n<p><strong>\u65b9\u5411\u6027\u54cd\u5e94<\/strong><\/p>\n<p>\u6c34\u542c\u5668\u7684\u65b9\u5411\u6027\u54cd\u5e94\u662f\u4f7f\u7528\u4e0e\u9891\u7387\u54cd\u5e94\u6d4b\u5b9a\u76f8\u540c\u7684\u975e\u7ebf\u6027\u58f0\u573a\u5efa\u7acb\u7684\u3002\u6c34\u542c\u5668\u88ab\u5b89\u88c5\u5728\u4e00\u4e2a\u5141\u8bb8\u7cbe\u786e\u8c03\u8282\u654f\u611f\u5143\u4ef6\u4f4d\u7f6e\u7684\u56fa\u5b9a\u88c5\u7f6e\u4e2d\u3002\u7136\u540e\u8c03\u6574\u6c34\u542c\u5668\u7684\u9488\u5c16\uff0c\u4f7f\u5176\u5728\u58f0\u573a\u4e2d\u65cb\u8f6c\u65f6\u8bb0\u5f55\u5230\u7684\u6ce2\u5f62\u7684\u65f6\u95f4\u504f\u79fb\u5c0f\u4e8e 100 ns\u3002\u6b64\u5bf9\u51c6\u786e\u4fdd\u6c34\u542c\u5668\u5728\u65cb\u8f6c\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u53d1\u751f\u4f4d\u79fb\uff0c\u56e0\u6b64\u63a5\u6536\u4fe1\u53f7\u7684\u4efb\u4f55\u53d8\u5316\u4ec5\u7531\u6c34\u542c\u5668\u7684\u65b9\u5411\u6027\u54cd\u5e94\u5f15\u8d77\u3002\u901a\u8fc7\u8bb0\u5f55\u6c34\u542c\u5668\u4ea7\u751f\u7684\u6ce2\u5f62\u968f\u89d2\u5ea6\u53d8\u5316\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u786e\u5b9a\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u65b9\u5411\u6027\u54cd\u5e94\u3002\u56fe 5 \u663e\u793a\u4e86 2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u5728 1 MHz\u30012 MHz\u30013 MHz\u30014 MHz\u30015 MHz \u548c 10 MHz \u7684\u65b9\u5411\u6027\u54cd\u5e94\u3002<\/p>\n<p id=\"BAdepgi\"><img decoding=\"async\" loading=\"lazy\" width=\"1881\" height=\"848\" class=\"alignnone size-full wp-image-607 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10.png 1881w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-300x135.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-1024x462.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-768x346.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-1536x692.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-500x225.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-800x361.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f75e93d10-1280x577.png 1280w\" sizes=\"(max-width: 1881px) 100vw, 1881px\" \/><\/p>\n<p id=\"DhLwVdl\"><img decoding=\"async\" loading=\"lazy\" width=\"1847\" height=\"1145\" class=\"alignnone size-full wp-image-608 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496.png 1847w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-300x186.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-1024x635.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-768x476.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-1536x952.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-500x310.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-800x496.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f786ce496-1280x794.png 1280w\" sizes=\"(max-width: 1847px) 100vw, 1847px\" \/><\/p>\n<p><strong>\u6709\u6548\u534a\u5f84<\/strong><br \/>\n\u6c34\u542c\u5668\u7684\u6709\u6548\u534a\u5f84\u662f\u6839\u636e\u65b9\u5411\u6027\u54cd\u5e94\u66f2\u7ebf\u4e2d \u20133 dB \u548c \u20136 dB \u70b9\u51fa\u73b0\u7684\u89d2\u5ea6\u8ba1\u7b97\u7684\uff0c\u8ba1\u7b97\u65b9\u6cd5\u53c2<br \/>\n\u7167\u6587\u732e [3]\u3002\u5e73\u5747\u6709\u6548\u534a\u5f84\u5982\u56fe 6 \u6240\u793a\u3002<\/p>\n<p id=\"TGUjUzN\"><img decoding=\"async\" loading=\"lazy\" width=\"1763\" height=\"1104\" class=\"alignnone size-full wp-image-609 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214.png 1763w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-300x188.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-1024x641.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-768x481.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-1536x962.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-500x313.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-800x501.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8f7bfb2214-1280x802.png 1280w\" sizes=\"(max-width: 1763px) 100vw, 1763px\" \/><\/p>\n<p>\u52a8\u6001\u4e0b\u9650\u6c34\u542c\u5668\u7ec4\u4ef6\u7684\u566a\u58f0\u5e95\u9650\u9650\u5236\u4e86\u5bf9\u5fae\u5f31\u58f0\u4fe1\u53f7\u7684\u6d4b\u91cf\u3002\u524d\u7f6e\u653e\u5927\u5668\u7684\u566a\u58f0\u7535\u5e73\u5728 100 MHz \u5e26\u5bbd\u4e0b\u7ea6\u4e3a 60 \u03bcV rms\u3002\u5982\u679c\u5047\u8bbe\u6c34\u542c\u5668\u7684\u7075\u654f\u5ea6\u4e3a 3.5 V\/MPa\uff0c\u5219\u6240\u8ff0\u566a\u58f0\u7535\u5e73\u5bf9\u5e94\u4e8e 2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u7684\u7b49\u6548\u566a\u58f0\u58f0\u538b\u3002<\/p>\n<p id=\"Trpdjsc\"><img decoding=\"async\" loading=\"lazy\" width=\"432\" height=\"149\" class=\"alignnone size-full wp-image-610 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe6238b78.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe6238b78.png 432w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe6238b78-300x103.png 300w\" sizes=\"(max-width: 432px) 100vw, 432px\" \/><\/p>\n<p>\u7528\u4e8e\u8bb0\u5f55\u6c34\u542c\u5668\u4ea7\u751f\u7684\u6ce2\u5f62\u7684\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u4e5f\u53ef\u80fd\u9650\u5236\u53ef\u8bb0\u5f55\u7684\u6700\u5c0f\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u5206\u8fa8\u7387\u6700\u5927\u4e3a 0.5 mV \u7684\u793a\u6ce2\u5668\u53ea\u80fd\u663e\u793a\u5e45\u503c\u4e3a\u8be5\u5206\u8fa8\u7387\u53ca\u4ee5\u4e0a\u7684\u4fe1\u53f7\u3002<\/p>\n<p id=\"OJnmIxs\"><img decoding=\"async\" loading=\"lazy\" width=\"477\" height=\"189\" class=\"alignnone size-full wp-image-611 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe734f93f.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe734f93f.png 477w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe734f93f-300x119.png 300w\" sizes=\"(max-width: 477px) 100vw, 477px\" \/><\/p>\n<p>\u52a8\u6001\u4e0a\u9650<\/p>\n<p>\u5173\u4e8e\u6c34\u542c\u5668\u53d1\u751f\u673a\u68b0\u635f\u574f\u7684\u538b\u529b\u9608\u503c\uff1a\u8be5\u6c34\u542c\u5668\u8bbe\u8ba1\u7528\u4e8e\u627f\u53d7\u9ad8\u8fbe 10 MPa \u7684\u58f0\u573a\u3002\u867d\u7136\u6b64\u7c7b\u578b\u6c34\u542c\u5668\u66fe\u7528\u4e8e\u8d85\u8fc7 50 MPa \u7684\u8d85\u58f0\u6ce2\u58f0\u573a\uff0c\u4f46\u5b58\u5728\u8f83\u9ad8\u7684\u635f\u574f\u98ce\u9669\u3002\u5982\u679c\u6c34\u542c\u5668\u9700\u8981\u5728\u58f0\u538b\u6c34\u5e73\u8d85\u8fc7 10 MPa \u7684\u58f0\u573a\u4e2d\u4f7f\u7528\uff0c\u5e94\u54a8\u8be2\u4f9b\u5e94\u5546\u7684\u5efa\u8bae\u3002<\/p>\n<p>\u5173\u4e8e\u653e\u5927\u5668\u53d1\u751f\u9971\u548c\u7684\u538b\u529b\uff1a\u4e0e\u8be5\u6c34\u542c\u5668\u914d\u5408\u4f7f\u7528\u7684\u524d\u7f6e\u653e\u5927\u5668\u5728\u8f93\u51fa\u7535\u538b\u8d85\u8fc7 700 mV \u5cf0\u5cf0\u503c\u65f6\u53ef\u80fd\u5f00\u59cb\u51fa\u73b0\u975e\u7ebf\u6027\u3002\u8003\u8651\u5230\u5178\u578b\u7684 2.0 mm \u9488\u5f0f\u6c34\u542c\u5668\u7075\u654f\u5ea6\uff0c\u8fd9\u5bf9\u5e94\u7684\u58f0\u538b\u4e3a<\/p>\n<p id=\"eKyUshL\"><img decoding=\"async\" loading=\"lazy\" width=\"466\" height=\"166\" class=\"alignnone size-full wp-image-612 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe90397f4.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe90397f4.png 466w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b8fe90397f4-300x107.png 300w\" sizes=\"(max-width: 466px) 100vw, 466px\" \/><\/p>\n<p>\u5982\u679c\u53ef\u80fd\u9047\u5230\u8d85\u8fc7\u6b64\u503c\u7684\u58f0\u538b\u573a\uff0c\u5e94\u8054\u7cfb\u6c34\u542c\u5668\u4f9b\u5e94\u5546\uff0c\u8003\u8651\u4f7f\u7528\u5728\u7ebf\u8870\u51cf\u65b9\u6848\u3002<\/p>\n<p><strong>\u7535\u8f93\u51fa\u7279\u6027<\/strong><\/p>\n<p>\u6b64\u5904\u6ca1\u6709\u53ef\u4ee3\u8868\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u5c1a\u672a\u5bf9\u672c\u6587\u63cf\u8ff0\u7684\u6c34\u542c\u5668\u8fdb\u884c\u6d4b\u5b9a\u3002<\/p>\n<p>\u73af\u5883\u65b9\u9762<\/p>\n<p>\u6e29\u5ea6\u53d8\u5316<\/p>\n<p>\u8be5\u9488\u5f0f\u6c34\u542c\u5668\u53ef\u5728 5 \u00b0C \u81f3 50 \u00b0C \u7684\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u5185\u8fdb\u884c\u6d4b\u91cf\uff0c\u5e76\u53ef\u5728 5 \u00b0C \u81f3 50 \u00b0C \u7684\u8303\u56f4\u5185\u5b58\u50a8\u3002\u66b4\u9732\u5728\u9ad8\u4e8e 60 \u00b0C \u7684\u6e29\u5ea6\u4e0b\u53ef\u80fd\u4f1a\u5bf9\u6c34\u542c\u5668\u9020\u6210\u4e0d\u53ef\u9006\u7684\u635f\u574f\u3002<\/p>\n<p>\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u5df2\u5728 19 \u00b0C \u81f3 25 \u00b0C \u4e4b\u95f4\u7684\u6e29\u5ea6\u4e0b\u8fdb\u884c\u6821\u51c6\u3002\u6c34\u542c\u5668\u7684\u7075\u654f\u5ea6\u4f1a\u968f\u6e29\u5ea6\u53d8\u5316\u800c\u53d8\u5316\uff0c\u9884\u8ba1\u6bcf\u5347\u9ad8 1 \u00b0C\uff0c\u7075\u654f\u5ea6\u5c06\u589e\u52a0\u7ea6 0.6%\u3002<\/p>\n<p>\u6c34\u8d28<\/p>\n<p>\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u8bbe\u8ba1\u4e3a\u53ef\u5b8c\u5168\u6d78\u5165\u6c34\u4e2d\uff0c\u5e76\u80fd\u8f7b\u677e\u627f\u53d7\u7531 2 \u7c73\u6c34\u6df1\u4ea7\u751f\u7684\u9759\u6c34\u538b\u529b\u3002\u867d\u7136\u6c34\u542c\u5668\u7ec4\u4ef6\u53ef\u4ee5\u957f\u65f6\u95f4\uff08&gt;48 \u5c0f\u65f6\uff09\u6d78\u5165\u6c34\u4e2d\u4f7f\u7528\uff0c\u4f46\u5728\u4e0d\u4f7f\u7528\u65f6\uff0c\u5e94\u5c06\u6c34\u542c\u5668\u4ece\u6c34\u4e2d\u53d6\u51fa\u5e76\u667e\u5e72\u3002<\/p>\n<p>\u5728\u6c34\u8d28\u65b9\u9762\uff0c\u4f7f\u7528\u8be5\u6c34\u542c\u5668\u6ca1\u6709\u7279\u5b9a\u7684\u64cd\u4f5c\u8981\u6c42\u3002\u7136\u800c\uff0c<a href=\"https:\/\/www.bihec.com\/acoustics\/tag\/%e6%b0%b4%e5%90%ac%e5%99%a8%e6%b5%8b%e9%87%8f\/\" title=\"View all posts in \u6c34\u542c\u5668\u6d4b\u91cf\" target=\"_blank\">\u6c34\u542c\u5668\u6d4b\u91cf<\/a>\u6807\u51c6\uff08\u5982\u6587\u732e [4] [5]\uff09\u53ef\u80fd\u5bf9\u6c34\u8d28\u6709\u5177\u4f53\u8981\u6c42\u3002<\/p>\n<p>\u957f\u65f6\u95f4\u6d78\u5165\u672a\u53bb\u79bb\u5b50\u5904\u7406\u7684\u6c34\uff08\u5982\u81ea\u6765\u6c34\uff09\u53ef\u80fd\u5bfc\u81f4\u6c34\u542c\u5668\u9488\u5c16\u4e0a\u79ef\u805a\u6c89\u79ef\u7269\u3002\u5728\u201c\u786c\u6c34\u201d\u5730\u533a\uff0c\u78b3\u9178\u9499\u6c89\u79ef\u5c24\u5176\u6210\u95ee\u9898\uff0c\u4f1a\u5bfc\u81f4\u6c34\u542c\u5668\u7075\u654f\u5ea6\u4e0b\u964d\u3002<\/p>\n<p>\u5176\u4ed6\u6db2\u4f53\u4ecb\u8d28<\/p>\n<p>\u867d\u7136\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u8bbe\u8ba1\u7528\u4e8e\u5728\u6c34\u4e2d\u5de5\u4f5c\uff0c\u4f46\u4e5f\u53ef\u7528\u4e8e\u8bb8\u591a\u5176\u4ed6\u6db2\u4f53\u4ecb\u8d28\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8be5\u6c34\u542c\u5668\u7684\u6821\u51c6\u662f\u5728\u6c34\u4e2d\u8fdb\u884c\u7684\u3002\u5176\u4ed6\u4ecb\u8d28\u4f1a\u5bf9\u6c34\u542c\u5668\u7684\u654f\u611f\u5143\u4ef6\u4ea7\u751f\u4e0d\u540c\u7684\u58f0\u963b\u6297\u8d1f\u8f7d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u6c34\u542c\u5668\u7684\u7075\u654f\u5ea6\u3002\u67d0\u4e9b\u6db2\u4f53\u7531\u4e8e\u5316\u5b66\u6027\u8d28\u8f83\u4e3a\u6d3b\u6cfc\uff0c\u5e94\u907f\u514d\u4f7f\u7528\u3002\u9700\u8981\u907f\u514d\u7684\u6db2\u4f53\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<p>\u2022\u6d53\u9178\uff08\u4f8b\u5982\u785d\u9178\u3001\u786b\u9178\uff09<\/p>\n<p>\u2022\u6d53\u78b1\uff08\u4f8b\u5982\u6c22\u6c27\u5316\u94a0\uff09<\/p>\n<p>\u2022\u5f3a\u6709\u673a\u6eb6\u5242\uff08\u4f8b\u5982\u591a\u79cd\u919b\u7c7b\u3001\u591a\u79cd\u916e\u7c7b\u3001\u4e8c\u6c2f\u7532\u70f7\uff08DMC\uff09\u3001\u4e8c\u7532\u57fa\u7532\u9170\u80fa\uff08DMF\uff09\uff09<\/p>\n<p>\u51fa\u5382\u72b6\u6001\u4e0b\uff0c\u6c34\u542c\u5668\u7ec4\u4ef6\u4e2d\u552f\u4e00\u4f1a\u63a5\u89e6\u5468\u56f4\u6db2\u4f53\u7684\u6750\u6599\u662f\u91d1\u3001\u4e0d\u9508\u94a2\u3001\u805a\u56db\u6c1f\u4e59\u70ef\uff08PTFE\uff09\u3001\u9ec4\u94dc\u4ee5\u53ca\u524d\u7f6e\u653e\u5927\u5668\u7535\u7f06\u4e0a\u7684\u805a\u6c2f\u4e59\u70ef\uff08PVC\uff09\u62a4\u5957\u3002\u7136\u800c\uff0c\u5982\u679c\u6c34\u542c\u5668\u7684\u5916\u5c42\u91d1\u7535\u6781\u53d7\u635f\uff0c\u805a\u504f\u4e8c\u6c1f\u4e59\u70ef\uff08PVDF\uff09\u548c\u521a\u6027\u6d47\u6ce8\u6811\u8102\u4e5f\u53ef\u80fd\u66b4\u9732\u51fa\u6765\u3002<\/p>\n<p>\u53c2\u8003<br \/>\n[1]B. Fay, G. Ludwig, C. Lankjaer \u548c P. A. 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