{"id":8526,"date":"2018-02-19T14:35:38","date_gmt":"2018-02-19T06:35:38","guid":{"rendered":"http:\/\/blog.wika.cn\/zh\/?p=8526"},"modified":"2018-03-16T14:54:31","modified_gmt":"2018-03-16T06:54:31","slug":"pressure-measurement-at-extremely-low-ambient-temperatures","status":"publish","type":"post","link":"https:\/\/blog.wika.cn\/zh\/knowhow\/pressure-measurement-at-extremely-low-ambient-temperatures\/","title":{"rendered":"\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u4e0b\u7684\u538b\u529b\u6d4b\u91cf"},"content":{"rendered":"

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\u5728\u4fc4\u7f57\u65af\u7684\u4eea\u8868\u5e94\u7528\u53ef\u4ee5\u8bc1\u660e\uff0c-40 <\/span>\u2103\u662f\u5f88\u5bb9\u6613\u88ab\u8d85\u8d8a\u7684\u3002\u6807\u51c6\u6e29\u5ea6\u503c\u4e00\u89c8\u8868\u751a\u81f3\u6307\u793a\u6709\u4e9b\u533a\u57df\u7684\u6e29\u5ea6\u4f4e\u4e8e-60 <\/span>\u2103\u3002\u5bf9\u4e8e\u5728\u8fd9\u6837\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u6761\u4ef6\u4e0b\u8fd0\u884c\u7684\u538b\u529b\u8868\uff0c\u5fc5\u987b\u8c28\u8bb0\u4e24\u70b9\uff1a<\/p>\n\n

<\/a>

\u4ec5\u5728\u4f7f\u7528\u4e86\u5916\u58f3\u586b\u5145\u6db2\u7684\u60c5\u51b5\u4e0b\u624d\u80fd\u5728\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u4e0b\u8fdb\u884c\u538b\u529b\u6d4b\u91cf\uff1a\u5a01\u5361\uff08WIKA\uff09PG23LT\u578b\u538b\u529b\u8868\u3002<\/p><\/div>\n \n

1. \u8868\u58f3\u5145\u6db2<\/h2>\n

\u901a\u5e38\uff0c\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u4e0b\u7684\u538b\u529b\u6d4b\u91cf\u9700\u8981\u91c7\u7528\u8868\u58f3\u5145\u6db2\u538b\u529b\u8868\u8bbe\u8ba1\u3002\u7528\u4e8e\u6b64\u5e94\u7528\u7684\u6db2\u4f53\u80fd\u591f\u9632\u6b62\u6e29\u5ea6\u6ce2\u52a8\u800c\u5bfc\u81f4\u8868\u58f3\u5185\u51fa\u73b0\u51b7\u51dd\u3002\u8fd9\u6837\u80fd\u591f\u9632\u6b62\u73bb\u7483\u7a97\u53e3\u7ed3\u971c\uff0c\u4ece\u800c\u80fd\u591f\u5b89\u5168\u53ef\u9760\u5730\u8bfb\u53d6\u6d4b\u91cf\u503c\u3002<\/p>\n

\u4f46\u662f\uff0c\u7528\u4e8e\u6b64\u7528\u9014\u7684\u5927\u90e8\u5206\u7845\u6cb9\u5728\u6e29\u5ea6\u4f4e\u4e8e-40 <\/span>\u2103\u65f6\u5c31\u5f00\u59cb\u51dd\u56fa\uff0c\u673a\u82af\u4e5f\u4e0d\u518d\u8fd0\u884c\uff0c\u751a\u81f3\u4f1a\u51bb\u7ed3\u3002\u8fd9\u6837\u5c31\u65e0\u6cd5\u4fdd\u8bc1\u4e0e\u5e94\u7528\u6761\u4ef6\u4fdd\u6301\u4e00\u81f4\u7684\u8fc7\u7a0b\u538b\u529b\u76d1\u63a7\u3002<\/p>\n

\u5bf9\u4e8e\u5a01\u5361\uff08WIKA<\/span>\uff09PG23LT<\/span>\u578b\u538b\u529b\u8ba1\uff0c\u6211\u4eec\u89c4\u5b9a\u4f7f\u7528\u7279\u6b8a\u4f4e\u6e29\u7845\u6cb9\u3002\u5373\u4f7f\u5728-70 <\/span>\u2103\u7684\u6e29\u5ea6\u6761\u4ef6\u4e0b\uff0c\u6b64\u7c7b\u7845\u6cb9\u4ecd\u80fd\u786e\u4fdd\u6b63\u786e\u538b\u529b\u6d4b\u91cf\u548c\u6d4b\u91cf\u503c\u663e\u793a\u3002<\/p>\n\n

<\/a>

\u5a01\u5361\uff08WIKA\uff09PG23LT (r.)\u578b\u538b\u529b\u8868\u5916\u58f3\u4e0e\u6807\u51c6\u578b(l.)\u4eea\u8868\u8868\u58f3\u5bf9\u6bd4\uff1a\u65e0\u5f39\u6027\u4f53\u3002<\/p><\/div>\n \n

2. \u5f39\u6027\u4f53<\/h2>\n

\u6240\u6709\u538b\u529b\u8868\u90fd\u4f1a\u4f7f\u7528\u5f39\u6027\u4f53\u3002\u8fd9\u80fd\u786e\u4fdd\u5355\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5b89\u5168\u5bc6\u5c01\u3002\u5728\u8be6\u89c6\u56fe\u5185\uff0c\u8fd9\u4e9b\u5f39\u6027\u4f53\u4e3a\u8868\u73bb\u7483\u5904\u7684\u5e73\u57ab\u5708\uff0c\u5916\u58f3\u540e\u9762\u7684\u9632\u7206\u540e\u76d6\u548c\u538b\u529b\u8865\u507f\u7528\u6392\u6c14\u9600\u3002<\/p>\n

\u4f46\u662f\uff0c\u6807\u51c6\u8bbe\u8ba1\u5185\u4f7f\u7528\u7684\u5bc6\u5c01\u6750\u6599\u5728\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u4e0b\u7684\u8010\u4e45\u6027\u5747\u4e0d\u4f73\u3002\u968f\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u8fd9\u4e9b\u6750\u6599\u4f1a\u53d8\u8106\uff0c\u7136\u540e\u6563\u5931\u5bc6\u5c01\u6027\u3002\u8fd9\u6837\u5c31\u4f1a\u5bfc\u81f4\u5916\u58f3\u586b\u5145\u6db2\u6ea2\u6d41\u3002\u8fd9\u79cd\u60c5\u51b5\u53cd\u8fc7\u6765\u4f1a\u5bfc\u81f4\u51fa\u73b0\u51b7\u51dd\u548c\u7a97\u53e3\u7ed3\u971c\u3002<\/p>\n

\u56e0\u6b64\uff0c\u5728PG23LT<\/span>\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6240\u6709\u4e34\u754c\u70b9\u5747\u672a\u4f7f\u7528\u5f39\u6027\u4f53\u3002\u800c\u4e14\u7a97\u53e3\u4e0e\u5916\u58f3\u4e4b\u95f4\u7684\u5bc6\u5c01\u4ef6\u5747\u91c7\u7528\u7279\u6b8a\u6750\u6599\u5236\u6210\u3002\u6b64\u7c7b\u6750\u6599\u9002\u7528\u4e8e\u6781\u4f4e\u73af\u5883\u6e29\u5ea6\u3002\u6b64\u5916\uff0c\u6392\u6c14\u9600\u8fd8\u914d\u6709\u4e00\u4e2a\u4e0d\u9508\u94a2\u76d6\u3002<\/p>\n

\u5bf9\u4e8e\u5b89\u5168\u5173\u952e\u5e94\u7528\uff0c\u6b64\u7c7b\u538b\u529b\u8868\u8fd8\u9002\u7528\u4e8e\u5b89\u5168\u7b49\u7ea7\u4e3a\u201cS3\u201d<\/span>\uff08\u6839\u636eEN 837-1<\/span>\uff09\u4e14\u5e26\u5b9e\u4f53\u6321\u677f\u548c\u9632\u7206\u80cc\u677f\u7684\u673a\u578b\u3002\u5728\u6b64\u7c7b\u5e94\u7528\u4e2d\uff0c\u9632\u7206\u80cc\u677f\u4e0a\u7684O<\/span>\u578b\u5708\u91c7\u7528\u7279\u6b8a\u6750\u6599\u5236\u6210\uff0c\u5373\u4f7f\u5728\u6781\u4f4e\u6e29\u5ea6\u6761\u4ef6\u4e0b\u4e5f\u80fd\u591f\u957f\u4e45\u53ef\u9760\u5730\u5bc6\u5c01\u3002<\/p>\n

\u6ce8<\/p>\n

\u6709\u5173PG23LT<\/span><\/a>\u4f4e\u6e29\u538b\u529b\u8868\u7684\u5176\u4ed6\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u5a01\u5361\uff08WIKA<\/span>\uff09\u7f51\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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