{"id":225,"date":"2026-03-25T17:34:45","date_gmt":"2026-03-25T09:34:45","guid":{"rendered":"https:\/\/www.bihec.com\/valcom\/?p=225"},"modified":"2026-03-25T17:34:46","modified_gmt":"2026-03-25T09:34:46","slug":"%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86valcom-27a-%e7%b3%bb%e5%88%97%e7%94%b5%e5%ad%90%e6%b6%b2%e4%bd%8d%e8%ae%a127a%e5%8e%8b%e5%8a%9b%e5%8f%98%e9%80%81%e5%99%a827a%e7%9c%9f%e7%a9%ba%e5%8f%98%e9%80%81","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/valcom\/%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86valcom-27a-%e7%b3%bb%e5%88%97%e7%94%b5%e5%ad%90%e6%b6%b2%e4%bd%8d%e8%ae%a127a%e5%8e%8b%e5%8a%9b%e5%8f%98%e9%80%81%e5%99%a827a%e7%9c%9f%e7%a9%ba%e5%8f%98%e9%80%81\/","title":{"rendered":"\u8fdb\u53e3\u4ee3\u7406Valcom 27A \u7cfb\u5217\u7535\u5b50\u6db2\u4f4d\u8ba1,27A\u538b\u529b\u53d8\u9001\u5668,27A\u771f\u7a7a\u53d8\u9001\u5668,27A\u7cfb\u5217\u53d8\u9001\u5668,\u7528\u4e8e\u68c0\u6d4b\u6db2\u4f53\u3001\u6c14\u4f53\u548c\u84b8\u6c7d\u7684\u538b\u529b"},"content":{"rendered":"

27A \u7cfb\u5217<\/strong><\/p>\n

27A \u7cfb\u5217\u5305\u62ec\u7535\u5b50\u6db2\u4f4d\u3001\u538b\u529b\u548c\u771f\u7a7a\u53d8\u9001\u5668\u3002\u6240\u6709 27A \u7cfb\u5217\u7248\u672c\u5747\u91c7\u7528\u6a21\u62df\u7535\u5b50\u6280\u672f\uff0c\u4f53\u79ef\u5c0f\uff08\u5178\u578b\u5916\u58f3\u76f4\u5f84 \u00d8 27 mm\uff09\uff0c\u91cf\u7a0b\u56fa\u5b9a\uff08\u5982\u53ef\u8c03\u96f6\u70b9\u548c\u91cf\u7a0b\uff0c\u53ef\u5728 \u00b110% \u8303\u56f4\u5185\u8c03\u6574\uff09\u3002\u8fd9\u4e9b\u53d8\u9001\u5668\u6807\u51c6\u60c5\u51b5\u4e0b\u5b89\u88c5\u5728\u5de5\u827a\u7ba1\u9053\u4e0a\u5e76\u7531\u5176\u652f\u6491\uff0c\u6216\u6cd5\u5170\u5b89\u88c5\u4e8e\u914d\u5957\u6cd5\u5170\u4e0a\u3002\u5bf9\u4e8e\u8fdc\u7a0b\u4f20\u611f\u5668\u7248\u672c\uff0c\u4ee5\u53ca\u63d0\u4f9b\u8fdc\u7a0b\u9694\u819c\u548c\u6bdb\u7ec6\u7ba1\u65f6\uff0c\u8fd8\u53ef\u63d0\u4f9b\u7528\u4e8e\u5899\u9762\u5b89\u88c5\u7684\u4e0d\u9508\u94a2\u652f\u67b6\u3002<\/p>\n

\u5e94\u7528\u9886\u57df<\/strong>
27A \u7cfb\u5217\u53d8\u9001\u5668\u7528\u4e8e\u5de5\u4e1a<\/a>\u548c\u6d77\u6d0b\u5e94\u7528\uff0c\u7528\u4e8e\u68c0\u6d4b\u6db2\u4f53<\/a>\u3001\u6c14\u4f53\u548c\u84b8\u6c7d\u7684\u538b\u529b<\/a>\u3002
\u6211\u4eec\u7684\u6280\u672f\u529e\u516c\u5ba4\u53ef\u4e3a\u7279\u6b8a\u5e94\u7528\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n

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\u6280\u672f\u53c2\u6570 \\ TECHNICAL FEATURES<\/strong><\/p>\n

\u7535\u6c14\u53c2\u6570 \\ Electrical parameters<\/p>\n

\u4f9b\u7535\uff1a
2 \u7ebf\u5236\uff1a11 \u00f7 30 Vdc
3 \u7ebf\u5236\uff1a16 \u00f7 26 Vdc<\/p>\n

\u8f93\u51fa\u4fe1\u53f7\uff1a
2 \u7ebf\u5236\uff1a4 \u00f7 20 mA
3 \u7ebf\u5236\uff1a0 \u00f7 10 Vdc\uff08\u6700\u5c0f 30 mVdc\uff09
\u2003\u2003\u2003\u20030 \u00f7 5 Vdc\uff08\u6700\u5c0f 30 mVdc\uff09<\/p>\n

\u7535\u6d41\u6d88\u8017\uff1a
2 \u7ebf\u5236\uff1a4 \u00f7 20 mA
3 \u7ebf\u5236\uff1a< 5 mA @ 10 K\u03a9 \u8d1f\u8f7d<\/p>\n

\u8d1f\u8f7d\u7535\u963b\uff1a
2 \u7ebf\u5236\uff1aR\u03a9 = (\u4f9b\u7535\u7535\u538b – 12 V) \/ 0.02 A
3 \u7ebf\u5236\uff1aR\u03a9 \u2265 10 K\u03a9<\/p>\n

\u6700\u5927\u8d1f\u8f7d\uff1a
\u89c1\u56fe\u8868<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\"\"<\/p>\n<\/div>\n

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\u6d4b\u91cf\u6027\u80fd \\ Measurement Performance<\/strong><\/p>\n

\u603b\u7cbe\u5ea6 (*)\uff1a< \u00b1 0.25 % FS<\/p>\n

\u96f6\u70b9\u504f\u79fb\uff1a< \u00b1 1 % FS<\/p>\n

\u96f6\u70b9\u6e29\u5ea6\u6f02\u79fb\uff1a< \u00b1 0.025 % FS \/\u00b0C \uff08-10 \u00f7 60\u00b0C\uff09<\/p>\n

\u91cf\u7a0b\u6e29\u5ea6\u6f02\u79fb\uff1a
\u538b\u7535\u578b\uff1a< \u00b1 0.02 % FS \/\u00b0C
\u9676\u74f7\u578b\uff1a< \u00b1 0.01 % FS \/\u00b0C<\/p>\n

\u957f\u671f\u7a33\u5b9a\u6027\uff1a
\u538b\u7535\u578b\uff1a< \u00b1 0.15 % FS \/ \u5e74
\u9676\u74f7\u578b\uff1a< \u00b1 0.12 % FS \/ \u5e74<\/p>\n

\u54cd\u5e94\u65f6\u95f4\uff0863% FS\uff09\uff1a
\u538b\u7535\u578b\uff1a10 ms
\u9676\u74f7\u578b\uff1a5 ms<\/p>\n

\u5141\u8bb8\u8fc7\u91cf\u7a0b\uff1a
\u538b\u7535\u4f20\u611f\u5668\uff1a\u6700\u9ad8\u53ef\u8fbe\u989d\u5b9a\u91cf\u7a0b 4 \u500d
\u9676\u74f7\u4f20\u611f\u5668\uff1a\u6700\u9ad8\u53ef\u8fbe\u989d\u5b9a\u91cf\u7a0b 2.5 \u500d<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u6ce8\u610f\uff1a(*) \u5305\u62ec\u6ede\u540e\u3001\u975e\u7ebf\u6027\u548c\u4e0d\u53ef\u91cd\u590d\u6027\uff08IEC 60770\uff09
\u7cbe\u5ea6\u548c\u6f02\u79fb\u6570\u636e\u9002\u7528\u4e8e\u5e26\u96c6\u6210\u4f20\u611f\u5668\u548c\u9694\u819c\u7684\u4eea\u8868\uff1b\u6839\u636e\u4f20\u611f\u5668\u7c7b\u578b\u4ee5\u53ca\u9694\u819c\u7684\u76f4\u5f84\u3001\u539a\u5ea6\u548c\u6750\u8d28\uff0c\u6570\u636e\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002
\u975e\u6807\u51c6\u7248\u672c\u7684\u51fa\u5382\u96f6\u70b9\u548c\u91cf\u7a0b\u8bbe\u5b9a\u7cbe\u5ea6\u4e3a < \u00b1 0.6 % FS\u3002
\u4f4e\u4e8e 0.1 bar \u7684\u6821\u51c6\u89c6\u4e3a\u975e\u6807\u51c6\u3002
\u53ef\u63d0\u4f9b\u4e0d\u540c\u6d4b\u91cf\u5355\u4f4d\u7684\u6821\u51c6\u3002<\/div>\n<\/div>\n
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\u73af\u5883\u7279\u6027 \\ ENVIRONMENTAL FEATURES<\/strong><\/p>\n

\u73af\u5883\u6761\u4ef6 \\ Environmental Conditions<\/p>\n

\u73af\u5883\u6e29\u5ea6\uff1a-40 \u00f7 +85\u00b0C
ATEX T6, T85\u00b0C\uff1a-40\u00b0C \u2264 \u73af\u5883\u6e29\u5ea6 \u2264 55\u00b0C
ATEX T5, T100\u00b0C\uff1a-40\u00b0C \u2264 \u73af\u5883\u6e29\u5ea6 \u2264 70\u00b0C<\/p>\n

\u8fc7\u7a0b\u6e29\u5ea6\uff1a-40 \u00f7 +85\u00b0C
\u5e26\u6563\u70ed\u7247\u58f3\u4f53\uff1a-40 \u00f7 130\u00b0C
\u6bdb\u7ec6\u7ba1\uff1a-40 \u00f7 280\u00b0C<\/p>\n

\u50a8\u5b58\u6e29\u5ea6\uff1a-40 \u00f7 +90\u00b0C<\/p>\n

\u9632\u62a4\u7b49\u7ea7\uff1a
\u00d8 27 \u548c \u00d8 50 \u5916\u58f3\uff1aIP65
\u00d8 35 \u548c \u00d8 55 \u5916\u58f3\uff1aIP67<\/p>\n

\u632f\u52a8\u6d4b\u8bd5\uff1a\u7b26\u5408 IEC 60068-2-6
\u51b2\u51fb\u6d4b\u8bd5\uff1a\u7b26\u5408 MIL-STD-202F \u65b9\u6cd5 213B<\/p>\n

\u76f8\u5bf9\u6e7f\u5ea6\uff1a< 98% RH\uff0c\u65e0\u51b7\u51dd<\/p>\n

\u8ba4\u8bc1 \\ APPROVALS<\/strong><\/p>\n