{"id":459,"date":"2026-06-22T15:35:16","date_gmt":"2026-06-22T07:35:16","guid":{"rendered":"https:\/\/www.bihec.com\/megabras\/?p=459"},"modified":"2026-06-22T15:35:16","modified_gmt":"2026-06-22T07:35:16","slug":"mtd20kwr","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/megabras\/mtd20kwr\/","title":{"rendered":"MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea\uff0c MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea\uff0cTentech\u63a5\u5730\u6d4b\u8bd5\u4eea"},"content":{"rendered":"<p><a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras-mtd20kwr-%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" title=\"View all posts in MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea\" target=\"_blank\">MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea<\/a>\uff0c <a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" title=\"View all posts in MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea\" target=\"_blank\">MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea<\/a>\uff0c<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/tentech%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" title=\"View all posts in Tentech\u63a5\u5730\u6d4b\u8bd5\u4eea\" target=\"_blank\">Tentech\u63a5\u5730\u6d4b\u8bd5\u4eea<\/a><\/p>\n<h2>MEGABRAS <strong><a href=\"https:\/\/www.bihec.com\/megabras\/tag\/mtd20kwr\/\" title=\"View all posts in MTD20KWR\" target=\"_blank\">MTD20KWR<\/a> <\/strong><b><strong>\u63a5\u5730\u6d4b\u8bd5\u4eea<\/strong><\/b><\/h2>\n<h3>Earth Ground Tester<\/h3>\n<h3><a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras-mtd20kwr\/\" title=\"View all posts in MEGABRAS MTD20KWR\" target=\"_blank\">MEGABRAS MTD20KWR<\/a> \u63a5\u5730\u6d4b\u8bd5\u4eea\u7279\u70b9<\/h3>\n<ul>\n<li>\u6570\u5b57\u5f0f\u3001\u81ea\u52a8\u5316<\/li>\n<li>\u63a5\u5730\u7535\u963b\u6d4b\u91cf<\/li>\n<li>\u571f\u58e4\u7535\u963b\u7387\uff08Wenner \u6cd5\uff09<\/li>\n<li>\u6742\u6563\u7535\u538b\u6d4b\u91cf<\/li>\n<li>\u9ad8\u6742\u6563\u7535\u538b\u6291\u5236\u80fd\u529b<\/li>\n<li>\u7535\u6d41\u56de\u8def\u5f02\u5e38\u6307\u793a<\/li>\n<li>0.01 \u03a9 \u5206\u8fa8\u7387<\/li>\n<li>\u7535\u963b\u6d4b\u91cf\u8303\u56f4\u6700\u9ad8\u53ef\u8fbe 20 k\u03a9<\/li>\n<li>\u53ef\u5145\u7535 NiMH \u7535\u6c60<\/li>\n<li>IP65 \u9632\u62a4\u7b49\u7ea7\uff08\u76d6\u5b50\u5173\u95ed\u65f6\uff09<\/li>\n<li>\u56fe\u5f62\u663e\u793a\u5c4f\uff08128 \u00d7 64 \u50cf\u7d20\uff09<\/li>\n<\/ul>\n<h3>MEGABRAS <strong>MTD20KWR <\/strong><b><strong>\u63a5\u5730\u6d4b\u8bd5\u4eea\u89c4\u683c\u53c2\u6570<\/strong><\/b><\/h3>\n<p><strong>\u7535\u963b\u8303\u56f4\uff1a<\/strong>0 &#8211; 20 k\u03a9<\/p>\n<p><strong>\u7535\u963b\u6d4b\u91cf\u7cbe\u5ea6\uff1a<\/strong>\u00b1 2%\uff08\u6d4b\u91cf\u503c\uff09 \u00b1 2 \u4e2a\u5b57<\/p>\n<p><strong>\u7535\u963b\u8bfb\u6570\u5206\u8fa8\u7387\uff1a<\/strong>0.01 \u03a9<\/p>\n<p><strong>\u7535\u538b\u8303\u56f4\uff1a<\/strong>0 &#8211; 200 V~<\/p>\n<p><strong>\u7535\u538b\u6d4b\u91cf\u7cbe\u5ea6\uff1a<\/strong>\u00b1 2%\uff08\u6d4b\u91cf\u503c\uff09 \u00b1 2 \u4e2a\u5b57<\/p>\n<p><strong>\u7535\u538b\u8bfb\u6570\u5206\u8fa8\u7387\uff1a<\/strong>0.1 V<\/p>\n<p><strong>\u8f93\u51fa\u7535\u6d41\uff1a<\/strong>\u9650\u5236\u5728 10 mA \u4ee5\u4e0b\uff08\u6700\u5927\u503c\uff09<\/p>\n<p><strong>\u8f93\u51fa\u529f\u7387\uff1a<\/strong>\u5c0f\u4e8e 0.5 W<\/p>\n<p><strong>\u6d4b\u91cf\u6a21\u5f0f\uff1a<\/strong><br \/>\n\u63a5\u5730\u7535\u963b\u6d4b\u91cf\uff083 \u7aef\u5b50\u6cd5\uff09<br \/>\n\u571f\u58e4\u7535\u963b\u7387\uff08Wenner \u6cd5\uff0c4 \u7aef\u5b50\uff09<br \/>\n\u571f\u58e4\u4e2d\u7535\u538b\u6d4b\u91cf<\/p>\n<p><strong>\u6297\u6742\u6563\u7535\u538b\u5e72\u6270\u80fd\u529b\uff1a<\/strong>\u5de5\u4f5c\u9891\u7387\uff1a1,470 Hz<\/p>\n<p>\u8be5\u5de5\u4f5c\u9891\u7387\u6ee1\u8db3\u4ee5\u4e0b\u516c\u5f0f\uff1a<\/p>\n<p>fg = [(2n + 1)\/2] \u00d7 fi<\/p>\n<p>\u5176\u4e2d\uff1a<br \/>\nfg = \u63a5\u5730\u6d4b\u8bd5\u4eea\u4ea7\u751f\u7684\u7535\u6d41\u9891\u7387<br \/>\nn = \u6574\u6570<br \/>\nfi = \u5de5\u9891\uff0850 \u6216 60 Hz\uff09<\/p>\n<p>\u6ee1\u8db3\u8be5\u516c\u5f0f\u610f\u5473\u7740\u5de5\u4f5c\u9891\u7387\u4e0d\u4f1a\u4e0e\u5de5\u9891\u7684\u4efb\u4f55\u8c10\u6ce2\u91cd\u5408\uff0c\u4ece\u800c\u901a\u8fc7\u5408\u9002\u6ee4\u6ce2\u5668\u5c3d\u91cf\u51cf\u5c11\u88ab\u6d4b\u571f\u58e4\u4e2d\u5bc4\u751f\u7535\u6d41\u7684\u5f71\u54cd\u3002<\/p>\n<p><strong>\u663e\u793a\u5c4f\uff1a<\/strong>LCD \u56fe\u5f62\u663e\u793a\uff08128 \u00d7 64 \u50cf\u7d20\uff09<\/p>\n<p><strong>\u901a\u4fe1\u534f\u8bae\uff1a<\/strong>Modbus<\/p>\n<p><strong>\u84dd\u7259\uff1a<\/strong>\u7528\u4e8e\u914d\u7f6e\u4e0e\u63a7\u5236<\/p>\n<p><strong>\u5b89\u5168\u6807\u51c6\uff1a<\/strong>IEC 61010-1\uff0cIEC 61557-1\uff0cIEC 61557-5<\/p>\n<p><strong>\u8fc7\u7535\u538b\u4fdd\u62a4\uff1a<\/strong>CAT II &#8211; 300 V<\/p>\n<p><strong>\u7535\u78c1\u517c\u5bb9\uff08EMC\uff09<\/strong><br \/>\nIEC 61326-1<\/p>\n<p><strong>\u9632\u62a4\u7b49\u7ea7\uff1a<\/strong>IP65\uff08\u76d6\u5b50\u5173\u95ed\u65f6\uff09<\/p>\n<p><strong>\u5de5\u4f5c\u6e29\u5ea6\uff1a<\/strong>-10 \u00b0C \uff5e 50 \u00b0C<\/p>\n<p><strong>\u5b58\u50a8\u6e29\u5ea6\uff1a<\/strong>-25 \u00b0C \uff5e 70 \u00b0C<\/p>\n<p><strong>\u6e7f\u5ea6\u8303\u56f4\uff1a<\/strong>95% RH\uff08\u65e0\u51b7\u51dd\uff09<\/p>\n<p><strong>\u53ef\u5145\u7535\u7535\u6c60\uff1a<\/strong>NiMH<\/p>\n<p><strong>\u5145\u7535\u5668\uff1a<\/strong>12 V &#8211; 1 A \u4ea4\u6d41\u9002\u914d\u5668<\/p>\n<p><strong>\u8bbe\u5907\u91cd\u91cf\uff1a<\/strong>\u7ea6 1.5 kg<\/p>\n<p><strong>\u5916\u5f62\u5c3a\u5bf8\uff1a<\/strong>221 \u00d7 189 \u00d7 99 mm<\/p>\n<h3>MEGABRAS <strong>MTD20KWR <\/strong><b><strong>\u63a5\u5730\u6d4b\u8bd5\u4eea\u914d\u4ef6<\/strong><\/b><\/h3>\n<p><strong>\u5305\u542b\u9644\u4ef6<\/strong><\/p>\n<p>\u2022 4 \u4e2a\u94a2\u63a5\u5730\u63a2\u9488<br \/>\n\u2022 \u4ea4\u6d41\u9002\u914d\u5668\uff08AC Adapter\uff09<br \/>\n\u2022 40 m \u7ea2\u8272\u7535\u7f06\u5377\u76d8<br \/>\n\u2022 20 m \u84dd\u8272\u7535\u7f06\u5377\u76d8<br \/>\n\u2022 20 m \u7eff\u8272\u7535\u7f06\u5377\u76d8<br \/>\n\u2022 5 m \u9ed1\u8272\u77ed\u7535\u7f06<br \/>\n\u2022 5 m \u7eff\u8272\u77ed\u7535\u7f06\uff08\u7528\u4e8e\u8fde\u63a5\u88ab\u6d4b\u63a5\u5730\u4f53\uff09<br \/>\n\u2022 \u7528\u4e8e\u8fde\u63a5 12 V \u5916\u90e8\u7535\u6c60\uff08\u6c7d\u8f66\u7535\u6c60\uff09\u4e3a\u5145\u7535\u5668\u4f9b\u7535\u7684\u8fde\u63a5\u7ebf<br \/>\n\u2022 \u5feb\u901f\u53c2\u8003\u6307\u5357\uff08Quick reference\uff09<br \/>\n\u2022 \u7528\u6237\u624b\u518c\uff08\u4e0b\u8f7d\u7248\uff09<br \/>\n\u2022 BlueLogg \u5e94\u7528\u7a0b\u5e8f\uff08\u4e0b\u8f7d\u7248\uff09<br \/>\n\u2022 \u8bbe\u5907\u8fd0\u8f93\u5305<br \/>\n\u2022 \u9644\u4ef6\u8fd0\u8f93\u5305<\/p>\n<p><strong>\u53ef\u9009\u9644\u4ef6<\/strong><\/p>\n<p>\u2022 \u94a2\u63a5\u5730\u63a2\u9488\uff08Steel spike\uff09<br \/>\n\u2022 2 m \u7535\u7f06\uff08\u7528\u4e8e\u989d\u5916\u63a5\u5730\u63a2\u9488\u4e4b\u95f4\u7684\u4e92\u8fde\uff09<\/p>\n<p><strong>MTD20KWR <a href=\"https:\/\/www.bihec.com\/megabras\/tag\/%e6%95%b0%e5%ad%97%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" title=\"View all posts in \u6570\u5b57\u63a5\u5730\u6d4b\u8bd5\u4eea\" target=\"_blank\">\u6570\u5b57\u63a5\u5730\u6d4b\u8bd5\u4eea<\/a><\/strong>\u53ef\u7528\u4e8e\u6d4b\u91cf\u63a5\u5730\u7535\u963b\u548c\u571f\u58e4\u7535\u963b\u7387\uff0c\u540c\u65f6\u4e5f\u53ef\u6d4b\u91cf\u7531\u571f\u58e4\u4e2d\u5bc4\u751f\u7535\u538b\u4ea7\u751f\u7684\u6742\u6563\u7535\u538b\u3002\u672c\u8bbe\u5907\u9002\u7528\u4e8e\u4f4f\u5b85\u548c\u5de5\u4e1a\u5efa\u7b51\u3001\u533b\u9662\u8bbe\u65bd\u3001\u907f\u96f7\u7cfb\u7edf\u3001\u5929\u7ebf\u3001\u53d8\u7535\u7ad9\u7b49\u63a5\u5730\u7535\u963b\u7684\u5feb\u901f\u3001\u7b80\u4fbf\u6d4b\u91cf\u3002\u571f\u58e4\u7535\u963b\u7387\u6d4b\u91cf\u53ef\u7528\u4e8e\u571f\u58e4\u5206\u5c42\u5206\u6790\uff0c\u4ee5\u4f18\u5316\u590d\u6742\u7684\u63a5\u5730\u7cfb\u7edf\u8bbe\u8ba1\u3002<\/p>\n<p>\u5176\u5148\u8fdb\u7684\u4e3b\u52a8\u4e0e\u88ab\u52a8\u6ee4\u6ce2\u7cfb\u7edf\u5177\u6709\u5f88\u9ad8\u7684\u6297\u7535\u6c14\u5e72\u6270\u80fd\u529b\uff0c\u5373\u4f7f\u5728\u5b58\u5728\u6742\u6563\u7535\u538b\u7684\u60c5\u51b5\u4e0b\uff0c\u4f8b\u5982\u57ce\u5e02\u533a\u57df\u6216\u9760\u8fd1\u4e3b\u53d8\u7535\u7ad9\u7684\u73af\u5883\u4e2d\uff0c\u4e5f\u80fd\u83b7\u5f97\u53ef\u9760\u7684\u6d4b\u91cf\u7ed3\u679c\u3002<\/p>\n<p>\u5185\u90e8 1,470 Hz \u53d1\u751f\u5668\u901a\u8fc7\u8f85\u52a9\u63a5\u5730\u68d2\u5411\u571f\u58e4\u6ce8\u5165\u4ea4\u6d41\u7535\u6d41\u3002\u8bbe\u5907\u6d4b\u91cf\u5728\u63a5\u5730\u7535\u963b\u4e0a\u4ea7\u751f\u7684\u7535\u538b\uff0c\u5e76\u8ba1\u7b97\u7535\u963b\u503c\u3002\u6d4b\u8bd5\u7535\u6d41\u53ef\u81ea\u52a8\u8c03\u8282\u3002<\/p>\n<p>\u7531\u4e8e\u5176\u5bbd\u5e7f\u7684\u6d4b\u91cf\u8303\u56f4\uff080.01 \u03a9 \u81f3 20 k\u03a9\uff09\uff0c\u8be5\u8bbe\u5907\u53ef\u5728\u5404\u79cd\u571f\u58e4\u6761\u4ef6\u4e0b\u8fdb\u884c\u53ef\u9760\u6d4b\u8bd5\uff0c\u5305\u62ec\u9ad8\u7535\u963b\u7387\u571f\u58e4\u3002<\/p>\n<p>\u8be5\u8bbe\u5907\u91c7\u7528\u575a\u56fa\u5916\u58f3\uff0c\u4fbf\u4e8e\u5b89\u5168\u643a\u5e26\uff0c\u9632\u62a4\u7b49\u7ea7\u4e3a IP65\uff08\u76d6\u5b50\u5173\u95ed\u65f6\uff09\u3002\u53ef\u5728\u6076\u52a3\u5730\u7406\u548c\u73af\u5883\u6761\u4ef6\u4e0b\u4f7f\u7528\uff0c\u5305\u62ec\u5bd2\u51b7\u6216\u70ed\u5e26\u5730\u533a\u7684\u6781\u7aef\u6e29\u5ea6\u4ee5\u53ca\u9ad8\u6d77\u62d4\u5c71\u533a\uff0c\u73b0\u573a\u6027\u80fd\u53ef\u9760\u3002<\/p>\n<p>&nbsp;<\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 22pt;\" aria-label=\"Megabras (47\u4e2a\u9879\u76ee)\">Megabras<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras-mtd20kwr\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 8pt;\" aria-label=\"MEGABRAS MTD20KWR (1\u4e2a\u9879\u76ee)\">MEGABRAS MTD20KWR<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras-mtd20kwr-%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea (1\u4e2a\u9879\u76ee)\">MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 8pt;\" aria-label=\"MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea (1\u4e2a\u9879\u76ee)\">MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/megabras%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-5\" style=\"font-size: 12.057971014493pt;\" aria-label=\"Megabras\u8fdb\u53e3\u4ee3\u7406 (4\u4e2a\u9879\u76ee)\">Megabras\u8fdb\u53e3\u4ee3\u7406<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/mtd20kwr\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 8pt;\" aria-label=\"MTD20KWR (1\u4e2a\u9879\u76ee)\">MTD20KWR<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/tentech%e6%8e%a5%e5%9c%b0%e6%b5%8b%e8%af%95%e4%bb%aa\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 8pt;\" aria-label=\"Tentech\u63a5\u5730\u6d4b\u8bd5\u4eea (1\u4e2a\u9879\u76ee)\">Tentech\u63a5\u5730\u6d4b\u8bd5\u4eea<\/a>\n<a href=\"https:\/\/www.bihec.com\/megabras\/tag\/%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86tentech\/\" class=\"tag-cloud-link tag-link-7 tag-link-position-8\" style=\"font-size: 12.869565217391pt;\" aria-label=\"\u8fdb\u53e3\u4ee3\u7406TENTECH (5\u4e2a\u9879\u76ee)\">\u8fdb\u53e3\u4ee3\u7406TENTECH<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea\uff0c MEGABRAS\u63a5\u5730\u6d4b\u8bd5\u4eea\uff0cTentech\u63a5\u5730\u6d4b\u8bd5\u4eea MEGABRAS MTD20KWR \u63a5\u5730\u6d4b\u8bd5\u4eea Earth Ground T 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