<p><strong><span style="font-size: large;">雙金屬溫度計(jì)的原理及應(yīng)用</span></strong></p> <div><span><strong>1主題內(nèi)容與適用范圍</strong></span></div> <div><span style="font-size: 9pt; color: black;">本標(biāo)準(zhǔn)規(guī)定了工業(yè)雙金屬溫度計(jì)（以下簡(jiǎn)稱(chēng)溫度計(jì)）的術(shù)語(yǔ)及定義、產(chǎn)品分類(lèi)、技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則、標(biāo)志、包裝等。</span></div> <div><span style="font-size: 9pt; color: black;">本標(biāo)準(zhǔn)適用于由雙金屬元件和護(hù)套組成溫度檢驗(yàn)元件，具有圓形標(biāo)度盤(pán)，以及測(cè)量范圍為-80～+500℃的溫度計(jì)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">2</span></strong><strong><span style="font-size: 9pt; color: black;">引用標(biāo)準(zhǔn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">ZBY 002 </span><span style="font-size: 9pt; color: black;">儀器儀表運(yùn)輸、運(yùn)輸貯存基本環(huán)境條件及試驗(yàn)方法</span></div> <div><span style="font-size: 9pt; color: black;">ZBY003 </span><span style="font-size: 9pt; color: black;">儀表儀表包裝技術(shù)條件</span></div> <div><span style="font-size: 9pt; color: black;">ZBY120 </span><span style="font-size: 9pt; color: black;">工業(yè)自動(dòng)化儀表工作條件——溫度、濕度和大氣壓力</span></div> <div><span style="font-size: 9pt; color: black;">ZBY122 </span><span style="font-size: 9pt; color: black;">工業(yè)自動(dòng)化儀表指針指示部分的基本型式、尺寸及指針的一般技術(shù)要求</span></div> <div><span style="font-size: 9pt; color: black;">ZBY123 </span><span style="font-size: 9pt; color: black;">工業(yè)自動(dòng)化儀表標(biāo)度的一般規(guī)定</span></div> <div><span style="font-size: 9pt; color: black;">ZBY247 </span><span style="font-size: 9pt; color: black;">工業(yè)自動(dòng)化儀表術(shù)語(yǔ)</span></div> <div><strong><span style="font-size: 9pt; color: black;">3 </span></strong><strong><span style="font-size: 9pt; color: black;">術(shù)語(yǔ)及定義</span></strong></div> <div><span style="font-size: 9pt; color: black;">本標(biāo)準(zhǔn)除采用ZB Y247外，還有以下術(shù)語(yǔ)及定義適用于本標(biāo)準(zhǔn)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">3.1 </span></strong><strong><span style="font-size: 9pt; color: black;">角型 </span></strong><span style="font-size: 9pt; color: black;">檢驗(yàn)元件軸線(xiàn)與標(biāo)度盤(pán)平面垂直的型式，亦稱(chēng)軸向型。</span></div> <div><strong><span style="font-size: 9pt; color: black;">3.2</span></strong><strong><span style="font-size: 9pt; color: black;">直型</span></strong><span style="font-size: 9pt; color: black;"> 檢驗(yàn)元件軸線(xiàn)與標(biāo)度盤(pán)平面平行的型式，亦稱(chēng)徑向型。</span></div> <div><strong><span style="font-size: 9pt; color: black;">3.3 </span></strong><strong><span style="font-size: 9pt; color: black;">插入長(zhǎng)度</span></strong><span style="font-size: 9pt; color: black;"> 從檢驗(yàn)元件下端至安裝連接接合面或錐螺紋下端的長(zhǎng)度（見(jiàn)附錄A圖A1～A4中L）。</span></div> <div><strong><span style="font-size: 9pt; color: black;">3.4</span></strong><strong><span style="font-size: 9pt; color: black;">置入長(zhǎng)度</span></strong><span style="font-size: 9pt; color: black;"> 從檢驗(yàn)元件下端算起，檢驗(yàn)元件處于被測(cè)介質(zhì)中的長(zhǎng)度。</span></div> <div><strong><span style="font-size: 9pt; color: black;">4</span></strong><strong><span style="font-size: 9pt; color: black;">產(chǎn)品分類(lèi)和基本參數(shù)</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">4.1 </span></strong><strong><span style="font-size: 9pt; color: black;">型式</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)按指示裝置與檢驗(yàn)元件連接安裝方式不同分為下列四種型式；</span></div> <div><strong><span style="font-size: 9pt; color: black;">a</span></strong><span style="font-size: 9pt; color: black;">徑向</span></div> <div><strong><span style="font-size: 9pt; color: black;">b</span></strong><span style="font-size: 9pt; color: black;">軸向</span></div> <div><span style="font-size: 9pt; color: black;">c</span><span style="font-size: 9pt; color: black;">萬(wàn)向</span></div> <div><span style="font-size: 9pt; color: black;">d.</span><span style="font-size: 9pt; color: black;">角型</span></div> <div><strong><span style="font-size: 9pt; color: black;">機(jī)械電子工業(yè)部1988-06-12批準(zhǔn)--------1989-01-01實(shí)施</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">4.2</span></strong><strong><span style="font-size: 9pt; color: black;">標(biāo)度盤(pán)公稱(chēng)直徑</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的標(biāo)度盤(pán)公稱(chēng)直徑為60，100，1500mm</span></div> <div><strong><span style="font-size: 9pt; color: black;">4.3 </span></strong><strong><span style="font-size: 9pt; color: black;">測(cè)量范圍</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的測(cè)量范圍應(yīng)符合表1的規(guī)定。</span></div> <div><span style="font-size: 9pt; color: black;">表1</span></div> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">測(cè) 量 范 圍</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">-80 </span><span style="font-size: 9pt; color: black;">～ +40</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">-40 </span><span style="font-size: 9pt; color: black;">～ +80</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 50</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 100</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 150</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 200</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 300</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 400</span></div> </td> </tr> <tr> <td style="width: 378pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="504"> <div><span style="font-size: 9pt; color: black;">0 </span><span style="font-size: 9pt; color: black;">～ 500</span></div> </td> </tr> </tbody> </table> <div><strong><span style="font-size: 9pt; color: black;">4.4</span></strong><strong><span style="font-size: 9pt; color: black;">準(zhǔn)確度等級(jí)</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的準(zhǔn)確度等級(jí)為1，1.5，（2.5）</span></div> <div><span style="font-size: 9pt; color: black;">注：括號(hào)內(nèi)的準(zhǔn)確度等級(jí)不推薦采用。</span></div> <div><strong><span style="font-size: 9pt; color: black;">4.5</span></strong><strong><span style="font-size: 9pt; color: black;">檢驗(yàn)元件直徑及安裝螺紋</span></strong></div> <div><span style="font-size: 9pt; color: black;">檢驗(yàn)元件直徑及安裝螺紋應(yīng)符合表2規(guī)定。</span></div> <table border="1" cellspacing="0" cellpadding="0" align="left"> <tbody> <tr> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">標(biāo)度盤(pán)公稱(chēng)直徑</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">檢驗(yàn)元件直徑</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">安裝螺紋</span></div> </td> </tr> <tr> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">60</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">4</span><span style="font-size: 9pt; color: black;">，6</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">M 16×1.5</span></div> </td> </tr> <tr> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">100</span><span style="font-size: 9pt; color: black;">，150</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">8</span><span style="font-size: 9pt; color: black;">，10</span></div> </td> <td style="width: 121.5pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="162"> <div><span style="font-size: 9pt; color: black;">M27×2</span></div> </td> </tr> </tbody> </table> <div> </div> <div> </div> <div><strong><span style="font-size: 9pt; color: black;">4.6</span></strong><strong><span style="font-size: 9pt; color: black;">插入長(zhǎng)度</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的插入長(zhǎng)度為75，100，150，200，250，300，400，500mm。</span></div> <div><span style="font-size: 9pt; color: black;">注：插入長(zhǎng)度大于500mm的，由制造廠(chǎng)與用方商定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">4.7</span></strong><strong><span style="font-size: 9pt; color: black;">護(hù)套的公稱(chēng)壓力</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)護(hù)套的公稱(chēng)壓力應(yīng)從1.0，1.6，2.5，4.0，6.4MPa系列中選取。</span></div> <div><strong><span style="font-size: 9pt; color: black;">4.8</span></strong><strong><span style="font-size: 9pt; color: black;">安裝連接方式</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的安裝連接方式分為下列四種（見(jiàn)附錄A）；</span></div> <div><strong><span style="font-size: 9pt; color: black;">a. </span></strong><span style="font-size: 9pt; color: black;">可調(diào)管接頭；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b.</span></strong><span style="font-size: 9pt; color: black;">管接頭（外螺紋）；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c.</span></strong><span style="font-size: 9pt; color: black;">管接頭（內(nèi)螺紋）；</span></div> <div><strong><span style="font-size: 9pt; color: black;">d. </span></strong><span style="font-size: 9pt; color: black;">固定螺紋。</span></div> <div><span style="font-size: 9pt; color: black;">4.9</span><span style="font-size: 9pt; color: black;">指示調(diào)整機(jī)構(gòu)</span></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)按指示裝置有無(wú)指示調(diào)整機(jī)構(gòu)分為下列三種：</span></div> <div><strong><span style="font-size: 9pt; color: black;">a. </span></strong><span style="font-size: 9pt; color: black;">無(wú)指示調(diào)整機(jī)構(gòu)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b.</span></strong><span style="font-size: 9pt; color: black;">外部指示調(diào)整機(jī)構(gòu)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c.</span></strong><span style="font-size: 9pt; color: black;">內(nèi)部指示調(diào)整機(jī)構(gòu)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5</span></strong><strong><span style="font-size: 9pt; color: black;">技術(shù)要求</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">5.1</span></strong><strong><span style="font-size: 9pt; color: black;">正常工作條件</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的正常工作條件應(yīng)符合表3規(guī)定。</span></div> <div><span style="font-size: 9pt; color: black;">表3</span></div> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">工 作 場(chǎng) 所</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">溫 度 ℃</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">相 對(duì) 濕 度 %</span></div> </td> </tr> <tr> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">掩蔽場(chǎng)所</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">-25 </span><span style="font-size: 9pt; color: black;">～ +55</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">5 </span><span style="font-size: 9pt; color: black;">～ 100</span></div> </td> </tr> <tr> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">戶(hù)外場(chǎng)所</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">-40 </span><span style="font-size: 9pt; color: black;">～ +85</span></div> </td> <td style="width: 126pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="168"> <div><span style="font-size: 9pt; color: black;">5 </span><span style="font-size: 9pt; color: black;">～ 100</span></div> </td> </tr> </tbody> </table> <div><span style="font-size: 9pt; color: black;">注：特殊的工作條件，由制造廠(chǎng)與用戶(hù)商定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.2</span></strong><strong><span style="font-size: 9pt; color: black;">外觀(guān)、結(jié)構(gòu)及裝配質(zhì)量</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的外觀(guān)、結(jié)構(gòu)及裝配質(zhì)量應(yīng)符合下列要求：</span></div> <div><strong><span style="font-size: 9pt; color: black;">a.</span></strong><span style="font-size: 9pt; color: black;">溫度計(jì)各零部件不得有銹蝕，保護(hù)層應(yīng)牢固、均勻和光潔；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b. </span></strong><span style="font-size: 9pt; color: black;">溫度計(jì)表面的玻璃或其他透明材料應(yīng)保持透明，不得有妨礙正確讀數(shù)的缺點(diǎn)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c. </span></strong><span style="font-size: 9pt; color: black;">溫度計(jì)的型式、基本參數(shù)及尺寸（尺寸公差按制造廠(chǎng)有關(guān)規(guī)定）應(yīng)符合4章的規(guī)定；</span></div> <div><strong><span style="font-size: 9pt; color: black;">d.</span></strong><span style="font-size: 9pt; color: black;">溫度計(jì)的指針和標(biāo)度盤(pán)應(yīng)符合ZBY122和ZBY123的規(guī)定；指針長(zhǎng)度（指針的回轉(zhuǎn)中心到指示高等的長(zhǎng)度）應(yīng)符合表4規(guī)定；指針指示部分與標(biāo)度盤(pán)平面間的距離應(yīng)不大于5mm；圓形標(biāo)度為270°～ 300°的部分圓形；指針、標(biāo)度盤(pán)及標(biāo)度和標(biāo)志應(yīng)不變色和褪色。</span></div> <div><span style="font-size: 9pt; color: black;">表四</span></div> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">標(biāo)度盤(pán)公稱(chēng)直徑</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">指針長(zhǎng)度</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">60</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">≥23</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">100</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">≥36</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">150</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">≥57</span></div> </td> </tr> </tbody> </table> <div><strong><span style="font-size: 9pt; color: black;">5.3</span></strong><strong><span style="font-size: 9pt; color: black;">基本誤差限</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的基本誤差限應(yīng)符合表5規(guī)定。</span></div> <div><span style="font-size: 9pt; color: black;">表五</span></div> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">精度等級(jí)</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">基本誤差 %</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">1.0</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">量程的±1.0</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">1.5</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">量程的±1.5</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">(2.5)</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">量程的±2.5</span></div> </td> </tr> </tbody> </table> <div><strong><span style="font-size: 9pt; color: black;">5.4</span></strong><strong><span style="font-size: 9pt; color: black;">回差</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的回差應(yīng)不大于基本誤差限的值。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.5</span></strong><strong><span style="font-size: 9pt; color: black;">重復(fù)性</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的重復(fù)性應(yīng)不大于基本誤差限值的二分之一。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.6</span></strong><strong><span style="font-size: 9pt; color: black;">熱穩(wěn)定性</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的檢驗(yàn)元件在測(cè)量上限保持表6規(guī)定的時(shí)間后，仍應(yīng)符合5.3條的要求。</span></div> <div><span style="font-size: 9pt; color: black;">表6</span></div> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">測(cè)量上限℃</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">保持時(shí)間h</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">≤300</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">24</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">400</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">12</span></div> </td> </tr> <tr> <td style="width: 189.75pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="253"> <div><span style="font-size: 9pt; color: black;">500</span></div> </td> <td style="width: 188.25pt; background-color: transparent; border-color: #f4f4f4; padding: 0cm;" width="251"> <div><span style="font-size: 9pt; color: black;">4</span></div> </td> </tr> </tbody> </table> <div><strong><span style="font-size: 9pt; color: black;">5.7</span></strong><strong><span style="font-size: 9pt; color: black;">時(shí)間常數(shù) </span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的時(shí)間常數(shù)應(yīng)不大于40s。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.8</span></strong><strong><span style="font-size: 9pt; color: black;">耐振性</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)應(yīng)能承受頻率為25Hz，位移幅值為0.6mm，振動(dòng)波形為正弦波，總計(jì)24h的耐振性試驗(yàn)。試驗(yàn)后，渴度計(jì)仍應(yīng)符合5.3條的規(guī)定，且無(wú)機(jī)械損壞。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.9</span></strong><strong><span style="font-size: 9pt; color: black;">位置影響</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)從參比工作位置向前、后、左、右傾斜90°時(shí)造成的示值變化應(yīng)不大于基本誤差限的值。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.10</span></strong><strong><span style="font-size: 9pt; color: black;">耐壓</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的護(hù)套應(yīng)能承受1.5倍公稱(chēng)壓力的耐壓試驗(yàn)，不出現(xiàn)損壞和滲漏。</span></div> <div><strong><span style="font-size: 9pt; color: black;">5.11</span></strong><strong><span style="font-size: 9pt; color: black;">運(yùn)輸、運(yùn)輸貯存基本環(huán)境條件</span></strong></div> <div><span style="font-size: 9pt; color: black;">帶出廠(chǎng)包裝的溫度計(jì)應(yīng)能承受按ZBY002規(guī)定的高溫（+55℃）、低溫（-40℃）、連續(xù)沖擊（加速度：98m/s²，脈沖持續(xù)時(shí)間：11ms）和自由跌落（高度：250mm）試驗(yàn)。試驗(yàn)后仍應(yīng)符合5.2、5.3、5.4和5.5條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6</span></strong><strong><span style="font-size: 9pt; color: black;">試驗(yàn)方法</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">6.1</span></strong><strong><span style="font-size: 9pt; color: black;">外觀(guān)、結(jié)構(gòu)及裝配質(zhì)量檢查</span></strong></div> <div><span style="font-size: 9pt; color: black;">按5.2條的要求用目檢法和相應(yīng)的工具進(jìn)行檢查。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.2</span></strong><strong><span style="font-size: 9pt; color: black;">基本誤差限試驗(yàn)</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">6.2.1</span></strong><strong><span style="font-size: 9pt; color: black;">試驗(yàn)條件</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">a.</span></strong><span style="font-size: 9pt; color: black;">環(huán)境溫度為15～35℃，相對(duì)溫度為45%～75%，大氣壓力為86kPa～106kPa；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b. </span></strong><span style="font-size: 9pt; color: black;">溫度計(jì)的置入長(zhǎng)度應(yīng)符合產(chǎn)品使用說(shuō)明書(shū)的要求；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c.</span></strong><span style="font-size: 9pt; color: black;">無(wú)顛震和振動(dòng)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.2.2</span></strong><strong><span style="font-size: 9pt; color: black;">試驗(yàn)設(shè)備和標(biāo)準(zhǔn)儀表</span></strong></div> <div><span style="font-size: 9pt; color: black;">試驗(yàn)設(shè)備為恒溫槽，標(biāo)準(zhǔn)儀表為標(biāo)準(zhǔn)溫度計(jì)。測(cè)量恒溫槽溫度時(shí)，所采用的測(cè)量方法的較限誤差應(yīng)不大于被試溫度計(jì)基本誤差限的四分之一。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.2.3</span></strong><strong><span style="font-size: 9pt; color: black;">試驗(yàn)點(diǎn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">每臺(tái)溫度計(jì)的試驗(yàn)點(diǎn)不得少于4個(gè)，且應(yīng)均勻分布在測(cè)量范圍內(nèi)的長(zhǎng)標(biāo)度線(xiàn)上（包括測(cè)量上限、下限和0℃）。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.2.4</span></strong><strong><span style="font-size: 9pt; color: black;">試驗(yàn)要求</span></strong></div> <div><span style="font-size: 9pt; color: black;">將被試溫度計(jì)的檢驗(yàn)元件與標(biāo)準(zhǔn)溫度計(jì)插在恒溫槽中，恒溫槽溫度應(yīng)穩(wěn)定在規(guī)定的試驗(yàn)點(diǎn)溫度，由標(biāo)準(zhǔn)溫度計(jì)讀數(shù)，然后讀取被試溫度計(jì)的示值。</span></div> <div><span style="font-size: 9pt; color: black;">被試溫度計(jì)與標(biāo)準(zhǔn)溫度計(jì)示值的差值，即為溫度計(jì)在該試驗(yàn)點(diǎn)的基本誤差。</span></div> <div><span style="font-size: 9pt; color: black;">應(yīng)沿正反行程在各試驗(yàn)點(diǎn)至少各試驗(yàn)一次，每次試驗(yàn)的結(jié)果均應(yīng)符合5.3條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.3</span></strong><strong><span style="font-size: 9pt; color: black;">回差試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">回差試驗(yàn)采用與基本誤差限試驗(yàn)相同的試驗(yàn)條件、試驗(yàn)設(shè)備、標(biāo)準(zhǔn)儀表、試驗(yàn)點(diǎn)（除被測(cè)量上限和下限外）和方法，并與基本誤差限試驗(yàn)同時(shí)進(jìn)行。在每一試驗(yàn)點(diǎn)正、反行程的示值的差值，即為溫度計(jì)的回差，它應(yīng)符合5.4條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.4</span></strong><strong><span style="font-size: 9pt; color: black;">重復(fù)性試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">重復(fù)性試驗(yàn)采用與基本誤差限試驗(yàn)相同的試驗(yàn)條件、試驗(yàn)設(shè)備、標(biāo)準(zhǔn)儀表和試驗(yàn)點(diǎn)。應(yīng)沿同一行程（正行程或反行程）在每個(gè)試驗(yàn)點(diǎn)至少讀取三次的示值。沿同一行程在每個(gè)試驗(yàn)點(diǎn)諸示值間的非常大差值即為溫度計(jì)的重復(fù)性，它應(yīng)符合5.5條的規(guī)定。同時(shí)，仍應(yīng)符合5.3、5.4條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.5</span></strong><strong><span style="font-size: 9pt; color: black;">熱穩(wěn)定性試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的檢驗(yàn)元件插入恒溫裝置中，在測(cè)量上限保持表6規(guī)定的時(shí)間。試驗(yàn)時(shí)，恒溫裝置的溫度表化應(yīng)不大于±2℃。試驗(yàn)后，溫度計(jì)仍應(yīng)符合5.6條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.6</span></strong><strong><span style="font-size: 9pt; color: black;">時(shí)間常數(shù)試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的檢驗(yàn)元件處于是溫度較低的介質(zhì)中，待示值穩(wěn)定后迅速移入處于另一溫度較高的恒溫槽內(nèi)（前一種介質(zhì)的溫度與恒溫槽的溫度之差大于溫度計(jì)量程的50%，以形成溫度階躍），同時(shí)啟動(dòng)秒表，當(dāng)溫度計(jì)示值的變化達(dá)到溫度之差（階躍值）的63.2%時(shí)，嵌停秒表。秒表所記下的時(shí)間即為時(shí)間常數(shù)，它應(yīng)符合5.7條的規(guī)定。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.7</span></strong><strong><span style="font-size: 9pt; color: black;">耐振性試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">將溫度計(jì)安裝在振動(dòng)臺(tái)上。溫度計(jì)的標(biāo)度盤(pán)應(yīng)與重力加速度向平行。然后經(jīng)受符合5.8條規(guī)定的鉛垂方向振動(dòng)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.8</span></strong><strong><span style="font-size: 9pt; color: black;">位置影響試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">將在室溫條件下的溫度計(jì)從參比工作位置前、后、左、右各傾斜90°，然后測(cè)量由此產(chǎn)生的示值變化。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.9</span></strong><strong><span style="font-size: 9pt; color: black;">耐壓試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)護(hù)套的耐壓試驗(yàn)應(yīng)在室溫條件下用水進(jìn)行外壓試驗(yàn)，試驗(yàn)壓力為公稱(chēng)壓力的1.5倍，試驗(yàn)時(shí)間為1min。試驗(yàn)過(guò)程中，護(hù)套應(yīng)不損壞和滲漏。</span></div> <div><strong><span style="font-size: 9pt; color: black;">6.10</span></strong><strong><span style="font-size: 9pt; color: black;">運(yùn)輸、運(yùn)輸貯存基本環(huán)境條件試驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">將帶出廠(chǎng)包裝的溫度計(jì)按ZBY002和5.11條的規(guī)定進(jìn)行高溫、低溫、連續(xù)沖擊和自由跌落試驗(yàn)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">7</span></strong><strong><span style="font-size: 9pt; color: black;">檢驗(yàn)規(guī)則</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">7.1</span></strong><strong><span style="font-size: 9pt; color: black;">出廠(chǎng)檢驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">每臺(tái)溫度計(jì)均應(yīng)按5.2、5.3條的要求和6.1、6.2條的試驗(yàn)方法進(jìn)行出廠(chǎng)檢驗(yàn)。經(jīng)出廠(chǎng)檢驗(yàn)合格的溫度計(jì)方能出廠(chǎng)，并應(yīng)附有合格證。</span></div> <div><strong><span style="font-size: 9pt; color: black;">7.2</span></strong><strong><span style="font-size: 9pt; color: black;">檢驗(yàn)</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)有下列情況之一，應(yīng)進(jìn)行型式檢驗(yàn)：</span></div> <div><strong><span style="font-size: 9pt; color: black;">a.</span></strong><span style="font-size: 9pt; color: black;">新產(chǎn)品試制或老產(chǎn)品轉(zhuǎn)廠(chǎng)生產(chǎn)時(shí)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b.</span></strong><span style="font-size: 9pt; color: black;">正式生產(chǎn)后，如結(jié)構(gòu)、材料、工藝有非常大改變，可能影響產(chǎn)品性能時(shí)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c. </span></strong><span style="font-size: 9pt; color: black;">正常生產(chǎn)時(shí)，定期或積累一定產(chǎn)量后，應(yīng)周期性進(jìn)行一次檢驗(yàn)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">d.</span></strong><span style="font-size: 9pt; color: black;">產(chǎn)品長(zhǎng)期停產(chǎn)后，恢復(fù)生產(chǎn)時(shí)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">e.</span></strong><span style="font-size: 9pt; color: black;">出廠(chǎng)檢驗(yàn)結(jié)果與上次型式檢驗(yàn)有非常大差異時(shí)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">f. </span></strong><span style="font-size: 9pt; color: black;">國(guó)家質(zhì)量監(jiān)督機(jī)構(gòu)提出進(jìn)行型式檢驗(yàn)的要求時(shí)。</span></div> <div><strong><span style="font-size: 9pt; color: black;">8</span></strong><strong><span style="font-size: 9pt; color: black;">標(biāo)志、包裝</span></strong></div> <div><strong><span style="font-size: 9pt; color: black;">8.1</span></strong><strong><span style="font-size: 9pt; color: black;">標(biāo)志</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的標(biāo)度盤(pán)上應(yīng)有以下標(biāo)志：</span></div> <div><strong><span style="font-size: 9pt; color: black;">a. </span></strong><span style="font-size: 9pt; color: black;">制造廠(chǎng)名或廠(chǎng)標(biāo)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">b.</span></strong><span style="font-size: 9pt; color: black;">產(chǎn)品名稱(chēng)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">c.</span></strong><span style="font-size: 9pt; color: black;">產(chǎn)品型號(hào)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">d.</span></strong><span style="font-size: 9pt; color: black;">測(cè)量單位符號(hào)“℃”；</span></div> <div><strong><span style="font-size: 9pt; color: black;">e.</span></strong><span style="font-size: 9pt; color: black;">準(zhǔn)確度等級(jí)；</span></div> <div><strong><span style="font-size: 9pt; color: black;">f. </span></strong><span style="font-size: 9pt; color: black;">產(chǎn)品編號(hào)與制造年月。</span></div> <div><strong><span style="font-size: 9pt; color: black;">8.2</span></strong><strong><span style="font-size: 9pt; color: black;">包裝</span></strong></div> <div><span style="font-size: 9pt; color: black;">溫度計(jì)的包裝應(yīng)符合ZBY003的規(guī)定。</span></div>