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<div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>數(shù)字式電秒表測試功能主要技術指標</h1> <p class="source"><span>日期：2018-05-12</span><span>瀏覽：2128次</span></p> <div> <p style="margin-left:0.1000pt"><strong>數(shù)字式電秒表測試功能主要技術指標</strong></p><p style="margin-left:0.1000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">415型數(shù)字式電秒表（手提式）417型數(shù)字式電秒表（表板式）是我公司研制的全集成電路的數(shù)字式電秒表。417B型數(shù)字式電秒表（小型表板式）是單片機數(shù)字式電秒表。</span></span></p><p style="margin-left:0.1000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">我公司作為國內定點研制生產(chǎn)電秒表毫秒儀的骨干廠家，積累了三十多年的計時儀器生產(chǎn)經(jīng)驗，在設計這些數(shù)字式電秒表時充分考慮了我公司原生產(chǎn)的指針式（401 405型）電秒表的各種測試功能，操作方法，測試精度，測量范圍，所以這些數(shù)字式電秒表可直接按原401 405型指針式電秒表操作方法及接線方式使用，但其測量范圍，測試精度，使用靈活性，使用方便性（可自動清零）都大為提高，并且增加了直流信號的測試功能，無論是直流電壓的作用時間還是斷電時間或者兩路電壓的時間差都可以測試，該系列數(shù)字式電秒表廣泛應用于各種繼電器，電磁開關，控制器，定時器的各種時間參數(shù)的測試，是電器制造，電力，工業(yè)自動化控制，石化及國防科研理想的精密計時儀器。</span></span></p><p style="margin-left:0.1000pt"><strong><span style="font-size:12pt"><span style="font-family:仿宋_gb2312">一</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:仿宋_gb2312">、</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:仿宋_gb2312">主要技術指標</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">測量范圍：0.0001s－9999.9s（設有四檔量程）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">測量誤差：≤5×10</span></span><sup><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">-5 </span></span></sup><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">±1個</span></span><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">尾數(shù)字</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">顯示方式：5位</span></span><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">LED紅色數(shù)碼管</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">測試功能：連續(xù) 觸動</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">適應信號：空接點（不得帶電）. 直流電信號（5－50V ）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">工作電源：415、 417型</span></span> <span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">AC220V</span></span> </p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">417B型 AC220V或DC5V或者12V（出廠時為AC220V）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">工作環(huán)境：溫度：0℃－40℃ 溫度：≤90%（30℃）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">外形尺寸：415型 185（寬）×142（高）×115mm（厚）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312"> 417型 160（寬）×80（高）×115mm（厚）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">417B型 95（寬）×50（高）×100mm（厚）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">安裝開孔尺寸：417型 150×76mm</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">417B型 90×45mm</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">復位方式：手動. 自動（“觸動”功能時）或外接復位 (417 417B型)</span></span></p><p style="margin-left:0.2000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">功耗： ≤3W</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">說明：417型和417B型只能在后面接線</span></span></p><p> </p><p><strong><span style="font-size:12pt"><span style="font-family:仿宋_gb2312">二、測試功能</span></span></strong></p><p><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">空接點閉合時間“閉合開始計時，斷開停止計時”</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">接點不得帶電</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">空接點斷開時間“斷開開始計時，閉合停止計時”</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">接點不得帶電</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">兩路空接點動作時間差“兩路分別改變原來的狀態(tài)”</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">接點不得帶電</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）</span></span></p><p style="margin-left:1.7000pt"><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">直流電壓作用時間“有電開始計時，無電停止計時”</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">電脈沖寬度</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">直流電壓斷電時間“無電開始計時，有電停止計時”</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">電脈沖占空寬度</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">兩路信號時間差</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">空接點或直流電壓信號任意</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）。</span></span></p><p> </p><p><strong><span style="font-size:12pt"><span style="font-family:仿宋_gb2312">三、使用注意事項</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">1：</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">Ⅰ與Ⅱ.Ⅲ是空接點輸入，</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">不得帶電</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">，Ⅰ是公共端</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">。</span></span></p><p style="margin-left:0.1000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">2：</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">⊥與Ⅱ.Ⅲ是</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">直流電信號</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">輸入，⊥是零電壓(GND)公共接地端</span></span></strong></p><p style="margin-left:29.2000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">3：使用時先設定功能和量程，既“連續(xù)”（417B型應顯示“L”）或“觸動”（417B型應顯示 “C”）</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">4：測量中不能改變功能，也不能改變量程。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312"> 5：測試功能為“連續(xù)”（417B型應顯示“L”）時只能人工復位，</span></span></p><p style="margin-left:39.6000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">6：測試功能為“觸動”（417B型應顯示“C”）時，電秒表可以隨下次信號自動復位，也可人工復位。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">7：選擇‘連續(xù)’功能時，信號必須是單次的，否側數(shù)字累加。</span></span></p><p style="margin-left:32.1500pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">8：417B型如使用DC5V或者12V供電時，從備用端輸入，“7”端為零電壓“8”端為正（</span></span><strong><span style="font-size:10.5pt"><span style="font-family:仿宋_gb2312">訂貨時須聲明</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">）。</span></span></p><p style="margin-left:29.1000pt"><span style="font-size:10.5000pt"><span style="font-family:仿宋_gb2312">9：測試直流電信號時如果電路中有電感線圈可能會造成干擾，測試線較長時“GND”端接地。</span></span> </p> <div id="iqaqewgi6e" class="clear"></div> </div> <div id="iqaqewgi6e" class="article"> <p>上一篇：<a href="/Article-1526365.html">417B數(shù)字式電秒表使用注意事項</a></p> <p>下一篇：<a href="/Article-1521955.html">TDWH-35KV無線高壓數(shù)字核相儀注意事項</a></p> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="n-9"> <div id="iqaqewgi6e" class="c-right"> <div id="iqaqewgi6e" 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