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th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>KD/康登</td><th>產(chǎn)地類別</th><td>國產(chǎn)</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>環(huán)保,化工,石油,電子/電池,電氣</td> <th></th><td></td></tr> </tbody> </table> </section><p><strong>KD480</strong>二三四線接地電阻測試儀是結(jié)合新的防雷接地電阻檢測標(biāo)準(zhǔn)，專為現(xiàn)場測量接地電阻、土壤電阻率、接地電壓、交流電壓而精心設(shè)計制造的，測試電流達20mA，采用數(shù)字及微處理技術(shù)，精密4線法、3線法和簡易2線法測量接地電阻，導(dǎo)入FFT(快速傅立葉變換)技術(shù)、AFC(自動頻率控制)技術(shù)，自動識別干擾并選擇測量頻率，使干擾的影響最小化，提供更加準(zhǔn)確的接地電阻值。具有*的抗干擾能力和環(huán)境適應(yīng)能力，重復(fù)測試*性好，確保長年測量的高精度、高穩(wěn)定性和高可靠性。其廣泛應(yīng)用于電力、電信、氣象、油田、建筑、防雷及工業(yè)電氣設(shè)備等的接地電阻、土壤電阻率、接地電壓、交流電壓測量。<br/><img alt="" src="http://www.56817.com/uploads/allimg/180721/1-1PH1142RK34.jpg" style="height:432px; width:409px"/><br/><strong>KD480</strong>二三四線接地電阻測試儀又名精密接地電阻測試儀、四線接地電阻測試儀、二三四線接地電阻測試儀、土壤電阻率測試儀，由主機、數(shù)據(jù)軟件、測試線、輔助接地棒、通訊線等組成。主機工具箱式設(shè)計，用聚丙烯塑膠作為原料，添加新型復(fù)合填充料一次注塑成形，密度小、強度、剛度、硬度、耐磨性、耐熱性、絕緣性能更*，其箱體能承受約200kg的壓力，確保各種環(huán)境測試的高精度、高穩(wěn)定性和高可靠性。主機超大LCD顯示，具有背光，棒圖指示，一目了然。同時能存儲2000組數(shù)據(jù)，通過數(shù)據(jù)軟件可以實現(xiàn)歷史數(shù)據(jù)讀取、查閱、保存、報表、打印等功能。<br/><strong>KD480</strong>四線接地電阻測試儀<br/> </p><div id="yq00aqiue" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="1" style="width: 612px; max-width: 748px;" align="left"><tbody><tr class="firstRow"><td style="width:130px">功能</td><td style="width:482px">接地電阻、土壤電阻率測試；接地電壓、交流電壓測試</td></tr><tr><td style="width:130px">電源</td><td style="width:482px">DC 7.4V 1.8Ah可充鋰電池，電池充滿約8.4V</td></tr><tr><td style="width:130px">背光</td><td style="width:482px">可控白屏背光，適合昏暗場所使用</td></tr><tr><td style="width:130px">測量方式</td><td style="width:482px">精密4線、3線法測量、簡易2線測量接地電阻</td></tr><tr><td rowspan="3" style="width:130px">測量方法</td><td style="width:482px">接地電阻：額定電流變極法，測量電流20mA Max</td></tr><tr><td style="width:482px">土壤電阻率：四極法(溫納法)</td></tr><tr><td style="width:482px">對地電壓：平均值整流(P(S)-ES接口間）</td></tr><tr><td rowspan="3" style="width:130px">量程</td><td style="width:482px">二三四線法測量接地電阻(R)：0.000Ω～30000Ω</td></tr><tr><td style="width:482px">土壤電阻率(ρ)：0.00Ωm～9000kΩm</td></tr><tr><td style="width:482px">接地電壓：AC 0.0～100.0V</td></tr><tr><td rowspan="3" style="width:130px">最高分辨率</td><td style="width:482px">二三四線法測量接地電阻(R)：0.001Ω</td></tr><tr><td style="width:482px">土壤電阻率(ρ)：0.01Ωm</td></tr><tr><td style="width:482px">接地電壓：0.1V</td></tr><tr><td rowspan="4" style="width:130px"><br/> <br/> <br/> <br/>精度<br/> <br/> <br/> </td><td style="width:482px">二三四線法測量接地電阻(R)：<br/>±2%rdg±5dgt （0.000Ω～29.999Ω）<br/>±2%rdg±3dgt （30.00Ω～2999.9Ω）<br/>±4%rdg±3dgt （3000Ω～30000Ω）</td></tr><tr><td style="width:482px">土壤電阻率(ρ)：根據(jù)R的測量精度而定<br/>（ρ=2πaR a:1 m～100m；π=3.14）</td></tr><tr><td style="width:482px">接地電壓： ±2%rdg±3dgt</td></tr><tr><td style="width:482px">注：1、rC max或rP max時的附加誤差≤±5%rdg±5dgt。(rC max:4kΩ+100R＜50kΩ, rP max:4kΩ+100R＜50kΩ)<br/>2、5V干擾電壓時的附加誤差≤±5%rdg±5dgt。</td></tr><tr><td style="width:130px">測試電壓波形</td><td style="width:482px">正弦波</td></tr><tr><td style="width:130px">測試頻率</td><td style="width:482px">128Hz/111Hz/105Hz/94Hz(自動選頻)</td></tr><tr><td style="width:130px">短路測試電流</td><td style="width:482px">AC 20mA max</td></tr><tr><td style="width:130px">開路測試電壓</td><td style="width:482px">AC 40V max</td></tr><tr><td style="width:130px">電極間距范圍</td><td style="width:482px">1m～100m</td></tr><tr><td rowspan="2" style="width:130px">換擋</td><td style="width:482px">接地電阻：0.000Ω～30000Ω全自動換檔</td></tr><tr><td style="width:482px">土壤電阻率：0.00Ωm～9000kΩm全自動換檔</td></tr><tr><td style="width:130px">LCD</td><td style="width:482px">6位LCD顯示，白屏背光</td></tr><tr><td style="width:130px">LCD尺寸</td><td style="width:482px">128mm×75mm</td></tr><tr><td style="width:130px">LCD顯示域</td><td style="width:482px">124mm×67mm</td></tr><tr><td style="width:130px">測量指示</td><td style="width:482px">測量中LED閃爍指示，LCD倒計數(shù)，進度棒圖指示</td></tr><tr><td style="width:130px">充電指示</td><td style="width:482px">充電時充電器上的指示燈亮紅色，充滿后亮綠色</td></tr><tr><td rowspan="2" style="width:130px">尺寸</td><td style="width:482px">儀表尺寸：長寬高320mm×275mm×145mm</td></tr><tr><td style="width:482px">外包裝尺寸：長寬高400mm×245mm×335mm</td></tr><tr><td style="width:130px">標(biāo)準(zhǔn)測試線</td><td style="width:482px">4條：紅色20m，黑色20m，黃色10m，綠色10m各1條</td></tr><tr><td style="width:130px">簡易測試線</td><td style="width:482px">2條：紅色1.6m，黑色1.6m各1條</td></tr><tr><td style="width:130px">輔助接地棒</td><td style="width:482px">4根：φ10mm×150mm</td></tr><tr><td style="width:130px">測量時間</td><td style="width:482px">對地電壓：約2次/秒；接地電阻：約7秒/次；土壤電阻率：約7秒/次</td></tr><tr><td style="width:130px">測量次數(shù)</td><td style="width:482px">5000次以上(短路測試，測1次，停30秒再測)</td></tr><tr><td style="width:130px">線路電壓</td><td style="width:482px">AC 600V以下測量</td></tr><tr><td style="width:130px">通訊接口</td><td style="width:482px">具有RS232接口，存儲數(shù)據(jù)可以上傳電腦，保存打印</td></tr><tr><td style="width:130px">通訊線</td><td style="width:482px">RS232通訊線1條，長1.5m</td></tr><tr><td style="width:130px">數(shù)據(jù)保持</td><td style="width:482px">保持?jǐn)?shù)據(jù)時“HOLD"符號指示</td></tr><tr><td style="width:130px">數(shù)據(jù)存儲</td><td style="width:482px">2000組，“MEM"存儲指示，顯示“FULL"表示存儲已滿</td></tr><tr><td style="width:130px">數(shù)據(jù)查閱</td><td style="width:482px">查閱數(shù)據(jù)時“READ"符號指示</td></tr><tr><td style="width:130px">溢出顯示</td><td style="width:482px">超量程溢出時“OL"符號指示</td></tr><tr><td style="width:130px">干擾測試</td><td style="width:482px">自動識別干擾信號，干擾電壓高于5V“NOISE"符號指示</td></tr><tr><td style="width:130px">輔助接地測試</td><td style="width:482px">具有輔助接地電阻值測試功能，0.00kΩ～30000Ω(100R+rC<50kΩ，100R+rP<50kΩ)</td></tr><tr><td style="width:130px">報警功能</td><td style="width:482px">測量值超過報警設(shè)定值時，“嘟--嘟--嘟--"報警提示</td></tr><tr><td style="width:130px">電池電壓</td><td style="width:482px">當(dāng)電池電壓不足時，電池電壓低符號顯示，提醒給電池充電。</td></tr><tr><td style="width:130px">自動關(guān)機</td><td style="width:482px">開機15分鐘后自動關(guān)機</td></tr><tr><td style="width:130px">工作電流</td><td style="width:482px">待機：25mA Max(背光關(guān)閉)；背光：25mA Max(單獨背光耗電)；測量時：150mA Max(背光關(guān)閉)</td></tr><tr><td rowspan="2" style="width:130px">質(zhì) 量</td><td style="width:482px">儀表：2.66kg(含電池)</td></tr><tr><td style="width:482px">總質(zhì)量：6.88kg(含包裝)</td></tr><tr><td style="width:130px">工具箱</td><td style="width: 482px; word-break: break-all;">工具箱設(shè)計，可承重200kg</td></tr><tr><td style="width:130px">工作溫濕度</td><td style="width:482px">-10℃～40℃；80%rh以下</td></tr><tr><td style="width:130px">存放溫濕度</td><td style="width:482px">-20℃～60℃；70%rh以下</td></tr><tr><td style="width:130px">過載保護</td><td style="width:482px">測量接地電阻：C(H)-E、P(S)-ES各端口間AC 280V/3秒</td></tr><tr><td style="width:130px">絕緣電阻</td><td style="width:482px">20MΩ以上(電路與外殼之間500V)</td></tr><tr><td style="width:130px">耐壓</td><td style="width:482px">AC 3700V/rms(電路與外殼之間)</td></tr><tr><td style="width:130px">電磁特性</td><td style="width:482px">IEC61326(EMC)</td></tr><tr><td style="width:130px">適合安規(guī)</td><td style="width:482px">IEC61010-1(CAT Ⅲ 300V、CAT IV 150V、污染等級2)；<br/>IEC61010-031；IEC61557-1(接地電阻)；IEC61557-5(土壤電阻率)；JJG 366-2004(接地電阻表)。</td></tr></tbody></table></div><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong><br/></strong></p><p><strong>KD480</strong>二三四線接地電阻測試儀<br/>儀表 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