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3-8：非接觸電壓檢測

檔位

功能

NCV

如果被測線路有交流電壓存在，儀錶內置
蜂鳴器將發聲

8-1：按壓儀錶中心的矽橡膠按鍵3秒以上開機。
8-2：將功能選擇開關旋至NCV的位置，這時，手持儀錶，用儀
錶的右上端靠近被測源，如被測源的信號幅度大於15伏的峰
值，則第一條模擬指示會上移到液晶中間位置。

8-3：具體的測試顯示靈敏度和電壓幅度的對應關係，請參照下
表。

檢測範圍

類比指示顯示

15V-55V

30V-85V

- -

55V-145V

- - -

ABOVE120V

- - - -

Summary of Contents for MT-1505

Page 1: ...MT 1505 Automatic Pocket Meter User s Manual 1 st Edition 2012 2012 Copyright by Prokit s Industries Co Ltd ...

Page 2: ...cket size meter for portability Model MT 1505 is fully auto ranging and has an oversized easy to read digital display It offers the Auto Select feature that guides the meter to display AC volts DC volts or resistance based on what you are measuring This meter is fully rated to CAT III levels The meter MT 1505 includes measurement extras such as non contact voltage detector of 1 ...

Page 3: ...recommended for use with local level power distribution appliances portable equipment etc where only smaller transient over voltages may occur and not for primary supply lines overhead lines and cable systems Do not exceed the maximum overload limits per function see specifications the limits marked on the instrument itself Never apply more than 600 between the test lead and earth ground Inspect t...

Page 4: ...t via the test leads With no input the meter displays Auto when it is ready With no voltage signal but a resistance below 40MΩis present the meter displays the resistance value this function is auto ranging When a signal above the threshold of 0 6 V dc or 1 6V ac up to the rated 600 V is present the meter displays the appropriate voltage value in dc or ac whichever larger in peak magnitude this fu...

Page 5: ... on the LCD switch to capacitance function the meter displays nF when it is ready This function is auto ranging Electric Field EF Detection Non Contact Voltage When Auto displayed on the LCD switch to select the NCV function The meter displays EF Signal strength is indicated as a series of bar graph segments on the display and variable beep tones See the specifications later in this manual for a c...

Page 6: ... no user serviceable parts Repair or servicing should only be performed by qualified personnel Cleaning periodically wipe the case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for periods of longer than 60 days remove the battery and store it separately Troubleshooting If the instrument fails to operate check battery leads and replace battery...

Page 7: ...ities with positive faces up towards the case bottom Replace the case bottom and ensure that the snap on the case top near the LCD side is engaged Replace and tighten the screw To avoid electrical shock disconnect test leads from live circuits before opening the case Do not operate with open case Specifications 1 General Specifications Display and Update Rate 3 3 4 digits 3999 counts Updates 3 per...

Page 8: ... IEC61010 1 2001 CAT II 600 V and CAT III 300V Pollution Degree 2 Class 2 E M C Meets EN61326 2006 EN61000 3 2 2000 and EN61000 3 3 1995 A1 2001 CE Marking However electrical noise or intense electromagnetic fields in the vicinity of the equipment may disturb the measurement circuit Measuring instruments will also respond to unwanted signals that may be present within the measurement circuit Users...

Page 9: ...V 0 8 rd 5d Input Impedance 10 MΩ Max Input 600V DC AC Voltage Range Resolution Accuracy 4V 1mV 40V 10mV 400V 100mV 0 8 rd 4d 600V 1V 1 2 rd 4d Range Accuracy 40 Hz 1K Hz Input Impedance 10 MΩ Max Input 600V AC Resistance Range Resolution Accuracy 400Ω 0 1Ω 4KΩ Ω 1 40KΩ 10Ω 400KΩ 100Ω 0 8 rd 2d ...

Page 10: ...racy below 40 nF is not specified 2 Top range Updates 1 minute on large values 3 Specified with battery voltage above 2 8 V half full battery Accuracy decreases gradually to 12 at low battery warning voltage of approx 2 4 V 4 Max Input 250V DC AC Frequency Range Resolution Accuracy 40Hz 0 01Hz 1 0 rd 5d 400Hz 0 1Hz 4KHz 1Hz 40KHz 10Hz 400KHz 100Hz 0 5 rd 5d ...

Page 11: ...proportional to field strength Detection Frequency 50 60 Hz Detection Antenna Top right corner of the meter Typical Voltage Bar Graph Indication 15V 55V 30V 85V 55V 145V ABOVE120V Audible Continuity Tester Resolution 100Ω Open Circuit Voltage 0 5 V DC typical Max Input 250V DC AC Diode Test Range 0 1 2V Resolution 1mV ...

Page 12: ...3 檢查儀錶殼體應無破裂損壞現象 4 按測量需要將檔位元開關置於正確位置 5 表筆接入被測電路時應先接黑表筆表筆與被測電路分離時應先斷開紅表筆 6 當改變功能或檔位時任何一根表筆均要與被測電路斷開 7 為避免損壞儀錶不要輸入超每個功能檔位所規定的最大值 8 在測量高電壓時應謹慎小心避免觸電特別是不要接觸被測電路並保持一定距離以確保人身安全 9 當使用儀錶進行測量時絕對不要打開後蓋以免有觸電危險 10 在打開後蓋更換電池前應將表筆離開被測電路並關斷電源 11 在進行電流測量時應確保儀錶是串接在被測回路中 12 當你的儀錶或手是濕的時候請勿使用儀錶進行測量 13 為避免電擊切勿使用已經損壞或不能進行正常操作的儀錶 11 ...

Page 13: ... 頻率二極體通斷等具有自動選擇自動檔位自動關機及全功能符號顯示等功能該儀錶具有結構精巧操作容易攜帶方便等優點是電氣測量的理想工具該產品具有以下特點安全設計符合IEC1010國際標準全系列產品通過CE國際安全認證殼體採用ABS阻燃材料安全更有保證智慧自動選擇測量 ACV DCV OHM 10分鐘自動關機功能全功能檔位元超載保護保護電壓250V有效值高內阻保證最小的測量誤差 10 MΩ 液晶顯示字高 18mm 二一般特性 2 1 安全規範 IEC1010 Ⅱ級 2 2 最大顯示 3999 2 3 採樣速率每秒3次 2 4 過量程顯示顯示OL 並有蜂鳴器聲音提示 2 5 自動負極性指示 2 6 低電壓指示顯示符號 2 7 自動關機開機10分鐘後自動切斷電源重複開機按鈕操作可開機 12 ...

Page 14: ...DCV 量程解析度準確度 4V 1mV 40V 10mV 400V 100mV 0 7 rd 4d 600V 1V 0 8 rd 5d 輸入阻抗10MΩ 最大輸入電壓600V DC或AC 有效值當輸入的測量電壓高於36V安全電壓時高壓警示符號 OL 會出現提示安全操作警告為避免觸電或損壞儀錶請不要嘗試測量高於600V DC 的電壓 1 1 按壓儀錶中心的矽橡膠按鍵3秒以上開機 1 2 將功能選擇開關旋至AUTO的位置 1 3 用紅黑表筆分別接觸到被測電源的兩端 1 4 此時液晶顯示幕顯示出被測信號的數值單位和極性等如紅黑測棒和被測電源的正負極性接反則液晶顯示幕的極性指示標記會出現此時表示被測電源與表筆的指示的極性相反調換表筆即可 3 2 交流電壓 ACV 量程解析度準確度 4V 1mV 0 8 rd 4d 13 ...

Page 15: ...上開機 2 2 將功能選擇開關旋至AUTO的位置 2 3 用紅黑表筆分別接觸到被測電源的兩端 2 4 此時液晶顯示幕顯示出被測信號的數值單位和極性等 3 3 電阻 OHM 檔位解析度準確度 400Ω 0 1Ω 4KΩ 1Ω 40KΩ 10Ω 400KΩ 100Ω 4MΩ 1KΩ 0 8 rd 2d 40MΩ 10KΩ 2 0 rd 5d 開路電壓約為0 5V 超載保護 250V DC 或 AC 有效值 3 1 按壓儀錶中心的矽橡膠按鍵3秒以上開機 3 2 將功能選擇開關旋至AUTO的位置 3 3 用紅黑表筆分別接觸到被測電阻的兩端 3 4 此時液晶顯示幕顯示出被測電阻的數值單位等 3 4 電容 CAP 檔位解析度準確度 40nF 10pF 400nF 0 1nF 4 5 rd 6d 14 ...

Page 16: ... 此時液晶顯示幕顯示出被測電容的數值單位等 3 5 頻率 FREQ 檔位解析度準確度 40Hz 0 01Hz 1 0 rd 5d 400Hz 0 1Hz 4KHz 1Hz 40KHz 10Hz 400KHz 100Hz 4MHz 1KHz 0 5 rd 5d 10MHz 10KHz 1 5 rd 5d 輸入電壓範圍 0 5V 10V AC 有效值隨著被測量的頻率增大輸入電壓也應隨之增大超載保護 250V DC 或 AC 有效值頻率回應 0 10MHz 5 1 按壓儀錶中心的矽橡膠按鍵3秒以上開機 5 2 將功能選擇開關旋至Hz的位置 5 3 用紅黑表筆分別接觸到被測頻率的兩端 5 4 此時液晶顯示幕顯示出被測頻率的數值單位等 ...

Page 17: ...機 6 2 將功能選擇開關旋至二極體的位置 6 3 用紅黑表筆分別接觸到被測二極體的兩端 6 4 此時液晶顯示幕顯示出被測二極體的數值單位等如顯示OL 則說明二極體和表筆接反調換表筆即可 3 7 通斷測試量程功能 Beep 如果被測線路電阻小於100Ω 儀錶內置蜂鳴器將發聲開路電壓約為0 5V 超載保護 250V DC 或 AC 有效值 7 1 按壓儀錶中心的矽橡膠按鍵3秒以上開機 7 2 將功能選擇開關旋至通斷的位置顯示幕將顯示二極體符號快速按下電源鍵進入到通斷測試此時顯示幕顯示蜂鳴器符號 7 3 用紅黑表筆分別接觸到被測器件的兩端 7 4 如果被測線路電阻小於100歐姆則內置蜂鳴器會發聲 ...

Page 18: ...功能 NCV 如果被測線路有交流電壓存在儀錶內置蜂鳴器將發聲 8 1 按壓儀錶中心的矽橡膠按鍵3秒以上開機 8 2 將功能選擇開關旋至NCV的位置這時手持儀錶用儀錶的右上端靠近被測源如被測源的信號幅度大於15伏的峰值則第一條模擬指示會上移到液晶中間位置 8 3 具體的測試顯示靈敏度和電壓幅度的對應關係請參照下表檢測範圍類比指示顯示 15V 55V 30V 85V 55V 145V ABOVE120V 17 ...

Page 19: ...鈕扣電池 CR2032 4 1 2 旋開底殼的4顆緊固螺絲取下後殼 4 1 3 將舊電池移開更換新的電池注意更換相同規格的電池 4 1 4 將底殼按原樣裝回並緊好4顆固定螺絲 4 2 更換表筆更換表筆時必須更換同樣的或相同等級的表筆表筆必須完好表筆的等級 600V 1A 4 2 1 如果表筆絕緣層破環如導線的金屬絲裸露必須更換表筆 4 2 2 旋開底殼的4顆緊固螺絲取下後殼 4 2 3 更換舊表筆 4 2 4 然後剝好導線並焊接在原來的位置 4 2 5 將底殼按原樣裝回並緊好4顆固定螺絲 18 ...

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