{"id":108,"date":"2026-07-08T13:51:35","date_gmt":"2026-07-08T13:51:35","guid":{"rendered":"https:\/\/onehammertech.com\/acm-instruments\/%e8%8b%b1%e5%9b%bd-acm-instruments-zero-resistance-ammeter-zra-400-%e9%9b%b6%e7%94%b5%e9%98%bb%e7%94%b5%e6%b5%81%e8%ae%a1-%e5%bc%82%e7%a7%8d%e9%87%91%e5%b1%9e%e7%94%b5%e5%81%b6%e8%85%90%e8%9a%80\/"},"modified":"2026-07-08T13:51:35","modified_gmt":"2026-07-08T13:51:35","slug":"%e8%8b%b1%e5%9b%bd-acm-instruments-zero-resistance-ammeter-zra-400-%e9%9b%b6%e7%94%b5%e9%98%bb%e7%94%b5%e6%b5%81%e8%ae%a1-%e5%bc%82%e7%a7%8d%e9%87%91%e5%b1%9e%e7%94%b5%e5%81%b6%e8%85%90%e8%9a%80","status":"publish","type":"post","link":"https:\/\/onehammertech.com\/acm-instruments\/%E8%8B%B1%E5%9B%BD-acm-instruments-zero-resistance-ammeter-zra-400-%E9%9B%B6%E7%94%B5%E9%98%BB%E7%94%B5%E6%B5%81%E8%AE%A1-%E5%BC%82%E7%A7%8D%E9%87%91%E5%B1%9E%E7%94%B5%E5%81%B6%E8%85%90%E8%9A%80\/","title":{"rendered":"\u82f1\u56fd ACM Instruments Zero Resistance Ammeter (ZRA) 400 \u96f6\u7535\u963b\u7535\u6d41\u8ba1 \u5f02\u79cd\u91d1\u5c5e\u7535\u5076\u8150\u8680\u6d4b\u8bd5"},"content":{"rendered":"<h2>ACM Instruments Zero Resistance Ammeter (ZRA) 400 \u96f6\u7535\u963b\u7535\u6d41\u8ba1<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>\u54c1\u724c<\/strong><\/td>\n<td>ACM Instruments<\/td>\n<\/tr>\n<tr>\n<td><strong>\u578b\u53f7<\/strong><\/td>\n<td>Zero Resistance Ammeter (ZRA) 400<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e2d\u6587\u54c1\u540d<\/strong><\/td>\n<td>\u96f6\u7535\u963b\u7535\u6d41\u8ba1<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<td>\u5f02\u79cd\u91d1\u5c5e\u7535\u5076\u8150\u8680\u6d4b\u8bd5<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7535\u6d41\u91cf\u7a0b<\/strong><\/td>\n<td>\u00b1200 \u03bcA \/ \u00b12 mA \/ \u00b120 mA<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5206\u8fa8\u7387<\/strong><\/td>\n<td>0.1 nA<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8f93\u5165\u963b\u6297<\/strong><\/td>\n<td>0 \u03a9\uff08\u7406\u60f3\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u7387<\/strong><\/td>\n<td>\u6700\u9ad8 10 Hz<\/td>\n<\/tr>\n<tr>\n<td><strong>\u63a5\u53e3<\/strong><\/td>\n<td>USB \/ RS232<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4ea7\u54c1\u63cf\u8ff0<\/h3>\n<p>ZRA 400\u662f\u4e00\u6b3e\u9ad8\u7cbe\u5ea6\u96f6\u7535\u963b\u7535\u6d41\u8ba1\uff0c\u7528\u4e8e\u6d4b\u91cf\u7535\u5076\u5bf9\u4e4b\u95f4\u7684\u7535\u5076\u7535\u6d41<\/p>\n<p>\u96f6\u7535\u963b\u7535\u6d41\u8ba1(ZRA)\u53ef\u7cbe\u786e\u6d4b\u91cf\u8fde\u63a5\u5728\u4e00\u8d77\u7684\u4e24\u79cd\u4e0d\u540c\u91d1\u5c5e\u4e4b\u95f4\u6d41\u8fc7\u7684\u7535\u6d41\uff0c\u76f4\u63a5\u8bc4\u4f30\u7535\u5076\u8150\u8680\u503e\u5411\u3002\u591a\u91cf\u7a0b\u81ea\u52a8\u5207\u6362\uff0c\u5206\u8fa8\u7387\u8fbe0.1 nA\u3002<\/p>\n<h3>\u4e3b\u8981\u7279\u70b9<\/h3>\n<ul>\n<li>0.1 nA\u9ad8\u5206\u8fa8\u7387<\/li>\n<li>\u4e09\u91cf\u7a0b\u81ea\u52a8\u5207\u6362<\/li>\n<li>\u771f\u6b63\u7684\u96f6\u7535\u963b\u8f93\u5165<\/li>\n<li>\u957f\u65f6\u95f4\u6570\u636e\u8bb0\u5f55<\/li>\n<li>\u652f\u6301\u591a\u901a\u9053\u6269\u5c55<\/li>\n<\/ul>\n<h3>\u5178\u578b\u5e94\u7528<\/h3>\n<ul>\n<li>\u5f02\u79cd\u91d1\u5c5e\u7535\u5076\u8150\u8680\u8bc4\u4f30<\/li>\n<li>\u6d82\u5c42\u7f3a\u9677\u5904\u8150\u8680\u7535\u6d41\u68c0\u6d4b<\/li>\n<li>\u8239\u8236\/\u6c7d\u8f66\u7535\u5076\u8150\u8680\u6392\u67e5<\/li>\n<li>\u9634\u6781\u4fdd\u62a4\u6548\u7387\u8bc4\u4f30<\/li>\n<\/ul>\n<p>&#8212;<\/p>\n<h3>\u8054\u7cfb\u65b9\u5f0f<\/h3>\n<p><strong>\u5143\u9524 OneHammer<\/strong> \u4e13\u6ce8\u8fdb\u53e3\u79d1\u5b66\u4eea\u5668\u4e0e\u5de5\u4e1a\u8bbe\u5907\u4f9b\u5e94<\/p>\n<p>\ud83d\udcde <strong>\u738b\u7ecf\u7406<\/strong>\uff1a<strong>15618182182<\/strong>\uff08\u5fae\u4fe1\u540c\u53f7\uff09<\/p>\n<p>\u4e3a\u79d1\u7814\u9662\u6240\u3001\u9ad8\u6821\u3001\u4f01\u4e1a\u63d0\u4f9b\u54c1\u724c\u4ea7\u54c1\u91c7\u8d2d\u54a8\u8be2\u4e0e\u6280\u672f\u652f<\/p>\n<p>\u90ae\u7bb1\uff1a<a href=\"mailto:shu@onehammertech.com\">shu@onehammertech.com<\/a><\/p>\n<p>\u7f51\u7ad9\uff1a<a href=\"https:\/\/onehammertech.com\/\">https:\/\/onehammertech.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u82f1\u56fd ACM Instruments Zero Resistance Ammeter (ZRA) 400 \u96f6\u7535\u963b\u7535\u6d41\u8ba1\uff0cZRA 400\u662f\u4e00\u6b3e\u9ad8\u7cbe\u5ea6\u96f6\u7535\u963b\u7535\u6d41\u8ba1\uff0c\u7528\u4e8e\u6d4b\u91cf\u7535\u5076\u5bf9\u4e4b\u95f4\u7684\u7535\u5076\u7535\u6d41&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[5,76,115],"class_list":{"0":"post-108","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-products-applications","7":"tag-acm-instruments","9":"tag-115"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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