{"id":71605,"date":"2018-10-28T07:32:36","date_gmt":"2018-10-28T07:32:36","guid":{"rendered":"https:\/\/www.bihec.com\/bruel-kjaer\/4939-%e6%b5%8b%e9%87%8f%e9%ba%a6%e5%85%8b%e9%a3%8e\/"},"modified":"2018-10-28T07:32:36","modified_gmt":"2018-10-28T07:32:36","slug":"4939-%e6%b5%8b%e9%87%8f%e9%ba%a6%e5%85%8b%e9%a3%8e","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/bruel-kjaer\/4939-%e6%b5%8b%e9%87%8f%e9%ba%a6%e5%85%8b%e9%a3%8e\/","title":{"rendered":"4939 \u6d4b\u91cf\u9ea6\u514b\u98ce"},"content":{"rendered":"
<\/p>\n
\u5e94\u7528: <\/p>\n
\u6d4b\u91cf<\/p>\n<\/li>\n
\u6781\u5316: <\/p>\n
\u9884\u504f\u632f, \u7535\u5bb9\u5668\u5f0f<\/p>\n<\/li>\n
\u9009\u9879\u548c\u914d\u4ef6: <\/p>\n
1\/4″, \u81ea\u7531\u573a<\/p>\n<\/li>\n<\/ul><\/div>\n
\n <\/span><\/p>\n \u5b83\u4e3a\u9ad8\u7ea7\u6d4b\u91cf\u548c\u9891\u7387\u6d4b\u91cf\u4e3b\u8981\u4f7f\u7528\u5e76\u4e14\u5f0f\u6837\u5de5\u4f5c\u3002 \u5b83\u7531\u4e0d\u9508\u94a2\u819c\u7247\u548c\u4fdd\u62a4\u6805\u683c\u7ec4\u6210\u3002 \u5b83\u88ab\u8bbe\u8ba1\u627f\u53d7\u82db\u523b\u7684\u73af\u5883\u3002<\/span>\n <\/p>\n<\/p><\/div>\n \u4ee5\u4e0aBruel and Kjaer\u516c\u53f84939 \u6d4b\u91cf\u9ea6\u514b\u98ce<\/strong>\u4ecb\u7ecd\u4e3a\u673a\u5668\u7ffb\u8bd1\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002\u5982\u9700Bruel and Kjaer\u516c\u53f84939 \u6d4b\u91cf\u9ea6\u514b\u98ce<\/strong>\u51c6\u786e\u4fe1\u606f\uff0c\u8bf7\u5728\u7ebf\u54a8\u8be2\u6216\u8bbf\u95eeBruel and Kjaer<\/strong>\u516c\u53f8\u7f51\u7ad9\u3002<\/p>\n<\/div>\n Bruel and Kjaer\u516c\u53f84939 \u6d4b\u91cf\u9ea6\u514b\u98ce\u6280\u672f\u53c2\u6570 \u5e94\u7528: \u6d4b\u91cf \u6781\u5316: \u9884\u504f\u632f, \u7535\u5bb9\u5668\u5f0f \u9009\u9879\u548c\u914d\u4ef6: 1\/4″, \u81ea\u7531\u573a Bruel and Kjae <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[21,28],"yoast_head":"\n
\n
\n 4939\u662f\u00bc -\u79fb\u52a8\u662fBruel\u548cKjaer\u8bbe\u8ba1\u7684\u4e00\u4e2a\u6700\u9ad8\u7ea7\u7684\u4ea7\u54c1\u7684\u81ea\u7531\u9886\u57df\u8bdd\u7b52(4 Hz\u5230100 kHz\uff0c 200V\u6781\u5316)\u3002 \u5b83\u4ee54 mV\/Pa\u654f\u611f\u6027\u548c4 100,000 Hz\u4e3a\u7279\u8272\u9891\u7387\u3002 \u5b83\u662f\u529b\u5b66\u8303\u56f4\u662f28 164 dB\uff0c\u4f46\u662f\u5b83\u4ee5\u6e29\u5ea640\u4e3a\u7279\u8272\u5bf9150\u00b0C (40\u5230302\u00b0F)\u4e0e200 V\u5916\u90e8\u7684\u6781\u5316\u4e00\u8d77\u3002 <\/p>\n