{"id":614,"date":"2026-03-17T15:27:06","date_gmt":"2026-03-17T07:27:06","guid":{"rendered":"https:\/\/www.bihec.com\/acoustics\/?p=614"},"modified":"2026-03-17T15:27:06","modified_gmt":"2026-03-17T07:27:06","slug":"%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86precision-acoustics-pa-nh0040%e6%b0%b4%e5%90%ac%e5%99%a840-%e5%be%ae%e7%b1%b3%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8nh0040","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/acoustics\/%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86precision-acoustics-pa-nh0040%e6%b0%b4%e5%90%ac%e5%99%a840-%e5%be%ae%e7%b1%b3%e9%92%88%e5%bc%8f%e6%b0%b4%e5%90%ac%e5%99%a8nh0040\/","title":{"rendered":"\u8fdb\u53e3\u4ee3\u7406Precision Acoustics PA NH0040\u6c34\u542c\u5668,40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668NH0040"},"content":{"rendered":"<p>40 \u5fae\u7c73<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. \u5236\u9020\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\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\u7ec4\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6c34\u542c\u5668\u7cfb\u7edf\u3002\u672c\u6587\u6863\u4e2d\u6240\u62a5\u544a\u7684\u6027\u80fd\u53c2\u6570\u5747\u57fa\u4e8e\u5305\u542b 40 \u5fae\u7c73\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\u3002<\/p>\n<p>\u6c34\u542c\u5668\u7684\u6709\u6e90\u5143\u4ef6\u5c3a\u5bf8\u4f1a\u5f71\u54cd\u5176\u8bb8\u591a\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\u7b49\u6548\u566a\u58f0\u538b\u529b\u3002\u672c\u6280\u672f\u6570\u636e\u8868\u4f9d\u636e IEC 62127 \u7b2c3\u90e8\u5206 [3] \u7f16\u5199\uff0c\u63d0\u4f9b\u4e86\u6709\u5173 40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u8be6\u7ec6\u89c4\u683c\u3002<\/p>\n<p>40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u662f\u8be5\u7cfb\u5217\u4e2d\u6700\u5c0f\u7684\u578b\u53f7\uff0c\u4e13\u4e3a\u9ad8\u9891\u5e94\u7528\u800c\u8bbe\u8ba1\uff0c\u5176\u6709\u6e90\u5143\u4ef6\u5728 19 MHz \u65f6\u7684\u5c3a\u5bf8\u7ea6\u4e3a\u534a\u4e2a\u6ce2\u957f\u3002<\/p>\n<p><strong>\u4ea7\u54c1\u63cf\u8ff0<\/strong><\/p>\n<p>40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u7ecf\u8fc7\u4f18\u5316\uff0c\u9002\u7528\u4e8e 5 MHz \u81f3 40 MHz \u9891\u7387\u8303\u56f4\u5185\u7684\u6d4b\u91cf\u3002\u5176\u975e\u5e38\u5c0f\u7684\u6709\u6e90\u533a\u57df\u53ef\u786e\u4fdd\u8f83\u5bbd\u7684\u65b9\u5411\u6027\u54cd\u5e94\uff0c\u5e76\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u7a7a\u95f4\u5e73\u5747\u6548\u5e94\u3002\u7136\u800c\uff0c\u8f83\u5c0f\u7684\u4f20\u611f\u5668\u533a\u57df\u4f1a\u5bfc\u81f4\u6574\u4f53\u6c34\u542c\u5668\u7075\u654f\u5ea6\u8f83\u4f4e<\/p>\n<p><strong>\u89c4\u683c<\/strong><\/p>\n<p id=\"vtsYOtx\"><img decoding=\"async\" loading=\"lazy\" width=\"1748\" height=\"871\" class=\"alignnone size-full wp-image-615 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa.png 1748w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-300x149.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-1024x510.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-768x383.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-1536x765.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-500x249.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-800x399.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9009fd97aa-1280x638.png 1280w\" sizes=\"(max-width: 1748px) 100vw, 1748px\" \/><\/p>\n<p><strong>\u5c3a\u5bf8<\/strong><\/p>\n<p id=\"omKrYbF\"><img decoding=\"async\" loading=\"lazy\" width=\"1764\" height=\"496\" class=\"alignnone size-full wp-image-616 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23.png 1764w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-300x84.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-1024x288.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-768x216.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-1536x432.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-500x141.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-800x225.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900af79c23-1280x360.png 1280w\" sizes=\"(max-width: 1764px) 100vw, 1764px\" \/><\/p>\n<p>\u7075\u654f\u5ea6\u4e0e\u9891\u7387\u54cd\u5e94<\/p>\n<p>\u6240\u6709\u63a2\u9488\u578b\u6c34\u542c\u5668\u7684\u9891\u7387\u54cd\u5e94\u90fd\u968f\u9891\u7387\u53d8\u5316\u3002\u5176\u7406\u8bba\u57fa\u7840\u5df2\u88ab\u5145\u5206\u7406\u89e3\uff0c\u5e76\u5728\u5176\u4ed6\u6587\u732e\u4e2d\u6709\u6240\u63cf\u8ff0[1]\u3002\u56fe2\u663e\u793a\u4e86\u9488\u5f0f\u6c34\u542c\u5668\u4e0e\u5176\u76f8\u5e94\u524d\u7f6e\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\u65f6\uff0c\u572850\u03a9\u8d1f\u8f7d\u6761\u4ef6\u4e0b\u7684\u5178\u578b\u7535\u7f06\u672b\u7aef\u7075\u654f\u5ea6\u3002\u8be5\u6570\u636e\u7531\u4f26\u6566\u56fd\u5bb6\u7269\u7406\u5b9e\u9a8c\u5ba4\uff08NPL\uff09\u91c7\u96c6<\/p>\n<p id=\"ZRCUwWe\"><img decoding=\"async\" loading=\"lazy\" width=\"1787\" height=\"1118\" class=\"alignnone size-full wp-image-617 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83.png 1787w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-300x188.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-1024x641.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-768x480.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-1536x961.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-500x313.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-800x501.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900ce2dc83-1280x801.png 1280w\" sizes=\"(max-width: 1787px) 100vw, 1787px\" \/><\/p>\n<p>\u7528\u4e8e\u8fdb\u884c\u7edd\u5bf9\u58f0\u538b\u6d4b\u91cf\u7684\u9488\u5f0f\u6c34\u542c\u5668\u5e94\u81f3\u5c11\u6bcf 12 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MHz\u30015 MHz\u300110 MHz\u300115 MHz\u300120 MHz\u300125 MHz\u300130 MHz\u548c40 MHz\u9891\u7387\u4e0b\u7684\u65b9\u5411\u54cd\u5e94\u66f2\u7ebf<\/p>\n<p id=\"tnAMuhY\"><img decoding=\"async\" loading=\"lazy\" width=\"1819\" height=\"907\" class=\"alignnone size-full wp-image-618 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690.png 1819w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-300x150.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-1024x511.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-768x383.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-1536x766.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-500x249.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-800x399.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900f13c690-1280x638.png 1280w\" sizes=\"(max-width: 1819px) 100vw, 1819px\" \/><\/p>\n<p id=\"uosabaY\"><img decoding=\"async\" loading=\"lazy\" width=\"1778\" height=\"1038\" class=\"alignnone size-full wp-image-619 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c.png 1778w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-300x175.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-1024x598.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-768x448.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-1536x897.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-500x292.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-800x467.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b900fe9a61c-1280x747.png 1280w\" sizes=\"(max-width: 1778px) 100vw, 1778px\" \/><\/p>\n<p><strong>\u6709\u6548\u534a\u5f84<\/strong><\/p>\n<p>\u6c34\u542c\u5668\u7684\u6709\u6548\u534a\u5f84\u662f\u6839\u636e\u65b9\u5411\u54cd\u5e94\u66f2\u7ebf\u4e0a -3 dB \u548c -6 dB \u70b9\u6240\u5bf9\u5e94\u7684\u89d2\u5ea6\uff0c\u6309\u7167\u6587\u732e[3]\u4e2d\u63cf\u8ff0\u7684\u65b9\u6cd5\u8ba1\u7b97\u5f97\u51fa\u7684\uff0c\u5e73\u5747\u6709\u6548\u534a\u5f84\u5982\u56fe5\u6240\u793a\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u8be5\u6c34\u542c\u5668\u6765\u8bf4\uff0cIEC \u65b9\u6cd5\u5728\u4f4e\u9891\u6bb5\u5931\u6548\uff0c\u56e0\u4e3a\u5176\u65b9\u5411\u54cd\u5e94\u5728\u4f4e\u4e8e 10 MHz \u7684\u9891\u7387\u4e0b\u59cb\u7ec8\u9ad8\u4e8e -6 dB \u6c34\u5e73<\/p>\n<p id=\"LslHtqT\"><img decoding=\"async\" loading=\"lazy\" width=\"1755\" height=\"1025\" class=\"alignnone size-full wp-image-620 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff.png 1755w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-300x175.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-1024x598.png 1024w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-768x449.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-1536x897.png 1536w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-500x292.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-800x467.png 800w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b90121d7aff-1280x748.png 1280w\" sizes=\"(max-width: 1755px) 100vw, 1755px\" \/><\/p>\n<p>\u52a8\u6001\u8303\u56f4\u3001\u7ebf\u6027\u5ea6\u53ca\u7535\u78c1\u5e72\u6270<\/p>\n<p>\u4e0b\u9650\u52a8\u6001\u8303\u56f4<\/p>\n<p>\u6c34\u542c\u5668\u7ec4\u4ef6\u7684\u566a\u58f0\u5e95\u9650\u5236\u4e86\u5bf9\u5fae\u5f31\u58f0\u4fe1\u53f7\u7684\u6d4b\u91cf\u80fd\u529b\u3002\u524d\u7f6e\u653e\u5927\u5668\u5728 100 MHz \u5e26\u5bbd\u5185\u7684\u566a\u58f0\u7535\u5e73\u7ea6\u4e3a 60 \u03bcV rms\u3002\u82e5\u5047\u8bbe\u6c34\u542c\u5668\u7684\u7075\u654f\u5ea6\u4e3a 6 mV\/MPa\uff0c\u5219\u4e0a\u8ff0\u566a\u58f0\u7535\u5e73\u5bf9\u5e94\u4e8e 40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u7684\u7b49\u6548\u566a\u58f0\u538b\u529b<\/p>\n<p id=\"yiTaEty\"><img decoding=\"async\" loading=\"lazy\" width=\"501\" height=\"164\" class=\"alignnone size-full wp-image-621 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9013c18d07.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9013c18d07.png 501w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9013c18d07-300x98.png 300w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<p>\u7528\u4e8e\u8bb0\u5f55\u6c34\u542c\u5668\u4ea7\u751f\u7684\u6ce2\u5f62\u7684\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u4e5f\u4f1a\u9650\u5236\u6700\u5c0f\u53ef\u8bb0\u5f55\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u5206\u8fa8\u7387\u6700\u9ad8\u4e3a 0.5 mV \u7684\u793a\u6ce2\u5668\u53ea\u80fd\u663e\u793a\u5e45\u5ea6\u5927\u4e8e\u6216\u7b49\u4e8e 0.5 mV \/ 50 mV\/MPa = 10 kPa \u7684\u4fe1\u53f7<\/p>\n<p id=\"tpaOQel\"><img decoding=\"async\" loading=\"lazy\" width=\"519\" height=\"197\" class=\"alignnone size-full wp-image-622 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9014a0f5c8.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9014a0f5c8.png 519w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9014a0f5c8-300x114.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9014a0f5c8-500x190.png 500w\" sizes=\"(max-width: 519px) 100vw, 519px\" \/><\/p>\n<p>\u4e0a\u9650\u52a8\u6001\u8303\u56f4<\/p>\n<p>\u5173\u4e8e\u8d85\u8fc7\u8be5\u538b\u529b\u9608\u503c\u65f6\u6c34\u542c\u5668\u53ef\u80fd\u53d1\u751f\u673a\u68b0\u635f\u574f\u7684\u95ee\u9898\uff1a\u8be5\u6c34\u542c\u5668\u8bbe\u8ba1\u7528\u4e8e\u627f\u53d7\u9ad8\u8fbe 10 MPa \u7684\u58f0\u573a\u3002\u867d\u7136\u6b64\u7c7b\u6c34\u542c\u5668\u66fe\u7528\u4e8e\u8d85\u8fc7 50 MPa \u7684\u8d85\u58f0\u58f0\u573a\uff0c\u4f46\u5b58\u5728\u8f83\u9ad8\u7684\u635f\u574f\u98ce\u9669\u3002\u5982\u679c\u9700\u5728\u58f0\u538b\u6c34\u5e73\u8d85\u8fc7 10 MPa \u7684\u58f0\u573a\u4e2d\u4f7f\u7528\u6c34\u542c\u5668\uff0c\u5efa\u8bae\u54a8\u8be2\u4f9b\u5e94\u5546\u7684\u610f\u89c1\u3002\u5173\u4e8e\u653e\u5927\u5668\u9971\u548c\u7684\u538b\u529b\u9608\u503c\uff1a\u4e0e\u8be5\u6c34\u542c\u5668\u914d\u5957\u4f7f\u7528\u7684\u524d\u7f6e\u653e\u5927\u5668\u5728\u8f93\u51fa\u7535\u538b\u5cf0\u5cf0\u503c\u8d85\u8fc7 700 mV \u65f6\u53ef\u80fd\u5f00\u59cb\u51fa\u73b0\u975e\u7ebf\u6027\u73b0\u8c61\u3002\u8003\u8651\u5230\u5178\u578b\u7684 40 \u5fae\u7c73\u9488\u5f0f\u6c34\u542c\u5668\u7075\u654f\u5ea6\uff0c\u8fd9\u5bf9\u5e94\u7684\u538b\u529b\u4e3a<\/p>\n<p id=\"uGEgGCl\"><img decoding=\"async\" loading=\"lazy\" width=\"509\" height=\"170\" class=\"alignnone size-full wp-image-623 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9015ebe7f1.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9015ebe7f1.png 509w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9015ebe7f1-300x100.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b9015ebe7f1-500x167.png 500w\" sizes=\"(max-width: 509px) 100vw, 509px\" \/><\/p>\n<p>\u7136\u800c\uff0c\u5982\u4e0a\u6240\u8ff0\uff0c\u5728\u6b64\u538b\u529b\u6c34\u5e73\u4e0b\u8fdb\u884c\u6d4b\u91cf\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6c34\u542c\u5668\u635f\u574f\uff0c\u56e0\u6b64\u5e94\u54a8\u8be2\u4f9b\u5e94\u5546\u7684\u610f\u89c1<\/p>\n<p>\u7535\u6c14\u8f93\u51fa<\/p>\n<p>\u7279\u6027\u7531\u4e8e\u672a\u5bf9\u672c\u6587\u63cf\u8ff0\u7684\u6c34\u542c\u5668\u8fdb\u884c\u76f8\u5173\u6d4b\u5b9a\uff0c\u56e0\u6b64\u6b64\u5904\u65e0\u4ee3\u8868\u6027\u6570\u636e\u63d0\u4f9b<\/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\u4e8e\u9ad8\u4e8e 60\u00b0C \u7684\u6e29\u5ea6\u53ef\u80fd\u4f1a\u5bf9\u6c34\u542c\u5668\u9020\u6210\u4e0d\u53ef\u9006\u8f6c\u7684\u635f\u5bb3\u3002\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u662f\u5728 19\u00b0C \u81f3 25\u00b0C \u4e4b\u95f4\u7684\u6e29\u5ea6\u4e0b\u6821\u51c6\u7684\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%<\/p>\n<p>\u6c34\u8d28<\/p>\n<p>\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u8bbe\u8ba1\u4e3a\u53ef\u5b8c\u5168\u6d78\u6ca1\u5728\u6c34\u4e2d\uff0c\u80fd\u591f\u8f7b\u677e\u627f\u53d7\u7531 2 \u7c73\u6c34\u67f1\u4ea7\u751f\u7684\u9759\u6c34\u538b\u529b\u3002\u5c3d\u7ba1\u6c34\u542c\u5668\u7ec4\u4ef6\u53ef\u957f\u65f6\u95f4\uff08\u8d85\u8fc7 48 \u5c0f\u65f6\uff09\u6d78\u6ce1\u4f7f\u7528\uff0c\u4f46\u5728\u4e0d\u4f7f\u7528\u65f6\u5e94\u5c06\u6c34\u542c\u5668\u4ece\u6c34\u4e2d\u53d6\u51fa\u5e76\u667e\u5e72\u3002\u5728\u6c34\u8d28\u65b9\u9762\uff0c\u4f7f\u7528\u8be5\u6c34\u542c\u5668\u6ca1\u6709\u5177\u4f53\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\u5982[4][5]\u53ef\u80fd\u5bf9\u6c34\u8d28\u6709\u7279\u5b9a\u8981\u6c42\u3002\u957f\u671f\u6d78\u6ce1\u5728\u672a\u53bb\u79bb\u5b50\u7684\u6c34\u4e2d\uff08\u5982\u81ea\u6765\u6c34\uff09\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6c34\u542c\u5668\u9488\u5c16\u4e0a\u79ef\u805a\u6c89\u79ef\u7269\u3002\u9499\u8d28\u6c89\u79ef\u7269\u5728\u201c\u786c\u6c34\u201d\u533a\u57df\u5c24\u4e3a\u5e38\u89c1\uff0c\u4f1a\u5bfc\u81f4\u6c34\u542c\u5668\u7075\u654f\u5ea6\u4e0b\u964d<\/p>\n<p>\u5176\u4ed6\u6db2\u4f53\u4ecb\u8d28<\/p>\n<p>\u5c3d\u7ba1\u8be5\u6c34\u542c\u5668\u7ec4\u4ef6\u8bbe\u8ba1\u7528\u4e8e\u6c34\u4e2d\u5de5\u4f5c\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8bb8\u591a\u5176\u4ed6\u6db2\u4f53\u4ecb\u8d28\u4e2d\u3002\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\u5bf9\u6c34\u542c\u5668\u6709\u6e90\u5143\u4ef6\u65bd\u52a0\u4e0d\u540c\u7684\u58f0\u5b66\u963b\u6297\u8d1f\u8f7d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u6c34\u542c\u5668\u7684\u7075\u654f\u5ea6\u3002\u7531\u4e8e\u67d0\u4e9b\u6db2\u4f53\u5177\u6709\u5316\u5b66\u8150\u8680\u6027\uff0c\u5e94\u907f\u514d\u4f7f\u7528\u3002\u5e94\u907f\u514d\u7684\u6db2\u4f53\u793a\u4f8b\u5982\u4e0b<\/p>\n<p>\u2022\u6d53\u9178\uff08\u5982\u785d\u9178\u3001\u786b\u9178\uff09\uff1b<\/p>\n<p>\u2022 \u6d53\u78b1\uff08\u5982\u6c22\u6c27\u5316\u94a0\uff09\uff1b<\/p>\n<p>\u2022 \u5f3a\u6709\u673a\u6eb6\u5242\uff08\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\u65f6\uff0c\u6c34\u542c\u5668\u7ec4\u4ef6\u4e2d\u552f\u4e00\u66b4\u9732\u4e8e\u5468\u56f4\u6db2\u4f53\u7684\u6750\u6599\u5305\u62ec\u9ec4\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\u5916\u90e8\u7684\u91d1\u7535\u6781\u53d7\u5230\u635f\u574f\uff0c\u805a\u504f\u4e8c\u6c1f\u4e59\u70ef\uff08PVDF\uff09\u548c\u786c\u8d28\u6d47\u6ce8\u6811\u8102\u4e5f\u53ef\u80fd\u66b4\u9732\u51fa\u6765<\/p>\n<p>\u53c2\u8003<br \/>\n[1]B. Fay, G. Ludwig, C. Lankjaer \u548c P. A. Lewin\uff0c\u201cPVDF \u9488\u578b\u6c34\u542c\u5668\u7684\u9891\u7387\u54cd\u5e94\u201d\uff0c\u300a\u8d85\u58f0\u533b\u5b66\u4e0e\u751f\u7269\u5b66\u300b\uff0c\u7b2c20\u5377\uff0c\u7b2c361-366\u9875\uff0c1994\u5e74<\/p>\n<p>[2]BIPM\uff0cJCGM100\uff1a2008 \u6d4b\u91cf\u6570\u636e\u8bc4\u4f30\u2014\u2014\u6d4b\u91cf\u4e0d\u786e\u5b9a\u5ea6\u8868\u8fbe\u6307\u5357\uff0c2008\u5e74<\/p>\n<p>[3]IEC\uff0c62127 \u8d85\u58f0\u6ce2-\u6c34\u542c\u5668-\u7b2c3\u90e8\u5206\uff1a\u9002\u7528\u4e8e\u9ad8\u8fbe40 MHz\u8d85\u58f0\u573a\u7684\u6c34\u542c\u5668\u6027\u80fd\uff0c2007\u5e74[4]IEC\uff0c62127 \u8d85\u58f0\u6ce2-\u6c34\u542c\u5668-\u7b2c1\u90e8\u5206\uff1a\u9ad8\u8fbe40 MHz\u533b\u7597\u8d85\u58f0\u573a\u7684\u6d4b\u91cf\u4e0e\u8868\u5f81\uff0c2013\u5e74[5]IEC\uff0c61157 \u533b\u7597\u8bca\u65ad\u8d85\u58f0\u8bbe\u5907\u58f0\u8f93\u51fa\u62a5\u544a\u7684\u6807\u51c6\u65b9\u6cd5\uff0c2013\u5e74<\/p>\n<p id=\"vlOFwLA\"><img decoding=\"async\" loading=\"lazy\" width=\"830\" height=\"723\" class=\"alignnone size-full wp-image-624 \" src=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8.png 830w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8-300x261.png 300w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8-768x669.png 768w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8-500x436.png 500w, https:\/\/www.bihec.com\/acoustics\/wp-content\/uploads\/sites\/503\/2026\/03\/img_69b901ec287f8-800x697.png 800w\" sizes=\"(max-width: 830px) 100vw, 830px\" \/><\/p>\n<p><span id=\"sample-permalink\"><a href=\"https:\/\/www.bihec.com\/acoustics\/?p=614&amp;preview=true\" target=\"wp-preview-614\" rel=\"noopener\">https:\/\/www.bihec.com\/acoustics\/<span 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