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MT-1217
3-3/4 Autorange Digital Multimeter

User’s Manual

1

st

Edition

,

2013

©2013 Copyright by Prokit’s Industries Co., Ltd.

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Summary of Contents for MT-1217

Page 1: ...MT 1217 3 3 4 Autorange Digital Multimeter User s Manual 1 st Edition 2013 2013 Copyright by Prokit s Industries Co Ltd ...

Page 2: ...s of clear reading stable performance and high reliability It can be used to measure DC voltage AC voltage DC current AC current resistance capacity frequency duty cycle diode and make on and off test Meanwhile it is available for unit symbol display automatic manual range switching automatic power off and alarm function The multimeter has high resolution and precision due to its complete function...

Page 3: ...ve 10mA AC power line with inductive load or power line during electric fluctuation is measured please beware of electric shock 2 Prior to measurement check if the measurement function switch is at the correct position Check if the test lead is contacted reliably connected correctly and grounded well and etc in order to avoid electric shock 3 Only if the meter is used with the matched test lead wi...

Page 4: ...d endanger the operator s safety if the voltage value beyond the permitted ultimate voltage value is measured The ultimate voltage value permitted for measurement is marked on the instrument panel and never measure the value exceeding the standard Don t input the ultimate value out of regulation in order to avoid electric shock and the damage to the meter 9 When the test lead is inserted into the ...

Page 5: ...Symbols Warming DCV Double Insulation ACV DCA Fuse ACA Low Battery In accordance with the instruction of European Trade Union Instrument Panel Function Button Description 1 Instrument model number 2 LCD Display Display the measured data and unit 3 Function Button 3 1 Hz Frequency Duty Cycle Press this button to select the frequency or duty cycle mode The measurement mode of Voltage frequency duty ...

Page 6: ...apacity and HFE input terminal 5 3 Voltage Diode Resistance Frequency Buzzer Input terminal 5 4 COM Current Voltage Diode Resistance Capacity Frequency Buzzer Temperature HFE Input terminal Other Functions Auto Power off During measurement the meter will automatically shut down enter sleeping mode to save power if function buttons and knob switch are not operated in 15 minutes In auto power off mo...

Page 7: ...1 pc Technical Feature 2 1 Accuracy a reading digits at 23 5 C relative Humidity 75 One year calibration guarantee since the time dispatched from the factory 2 2 Technical Specification 2 2 1 DCV A Turn the knob switch to Range B The initiate state of the meter is in automatic range status which shows AUTO symbol C Make the test lead contacted to the testing point The voltage and polarity of the p...

Page 8: ... which shows AUTO symbol C press Range button can select the AC measurement range D Make the test lead contacted to the testing point The voltage of the point where the red test lead is contacted will be displayed on the screen Caution 1 Don t measure voltages over 750V otherwise the meter will be damaged 2 When measuring high voltage special attention should be given to personal safety and avoid ...

Page 9: ...the tested current value and the current polarity of the point where the red pen is contacted will be displayed on the screen simultaneously Caution 1 If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select higher range to complete the measurement 2 The Max input value is 400mA or 10A Depending on the terminal where the red test lead is co...

Page 10: ...y Caution 1 If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select higher range to complete the measurement 2 The Max input value is 400mA or 10A Depending on the terminal where the red test lead is contacted The overrated current will lead to fuse melt or even damage the meter Range Accuracy Resolution 400uA 0 1uA 4000uA 1uA 40mA 10uA 40...

Page 11: ... limit please select higher range to complete the measurement When measuring the Resistor higher than 1MΩ the instrument will take several seconds to make the reading stable It is normal when measuring the high resistor 2 When the input terminal is open circuit it will display OL 3 When measuring in line resistor be sure that the power is off and all capacitors are discharged completely Range Accu...

Page 12: ...ment Connect the red test lead to the diode negative polarity and the black test lead to the diode positive polarity OL symbol will be displayed on the screen 5 The complete diode testing includes forward and backward measurement if the result does not meet the above it means the diode is bad 6 Press SELECT button to select the Continuity measurement mode 7 Connect the test leads to two points of ...

Page 13: ... test leads to COM mA input terminal the screen will show capacitance parameter The relative value measurement could be conducted by pressing REL button Caution 1 Fully discharge the tested capacitor in case it damages the meter 2 When measuring in line capacitor the power should be turned off and all capacitors should be discharged completely 3 It takes about 30 seconds to input stable reading at...

Page 14: ...cy of high voltage Then press Hz button to enter frequency measurement status 4 Don t input voltage of over 250V DC or AC peak value in case it damages the meter Range Accuracy Resolution 400Hz 0 1Hz 4kHz 1Hz 20kHz 0 5 4d 10Hz 0 1 99 9 For your reference 0 1V Input Sensitivity 0 7V RMS Overload Protection 250V DC or AC Peak Value 2 2 9 Temperature C A Rotate function switch to C gear B Insert the ...

Page 15: ...ermocouple Nickel chromium nickel silicon banana plug WARNING DO NOT input any voltage at this range for safety 2 2 10 Triode hFE test A Turn the knob switch to HFE Range B Insert the test accessory into COM and mA terminal C Verify the type of the transistor is NPN or PNP insert the emitter basic and collector to the proper jack on test accessory Range Displaying value Test condition hFE NPN or P...

Page 16: ...e battery shall be replaced Battery changes steps as below 5 1 Loosen the screw on the back cover that secures the battery case and remove the battery case 5 2 Remove the 9V battery and replace them with new one Although a 9V battery of any standard can be used but in order to lengthen the operation life alkaline battery should be used 5 3 Mount the battery case back and tighten the screw Precauti...

Page 17: ...No current input Replace fuse Error value Replace battery This Instruction is subjected to change without any further notice The content of this Instruction is considered correct and in case readers find any errors and missing parts please contact the manufacturer The Company shall not be held liable for any accidents and hazards resulted from the mal operations by the user The function elaborated...

Page 18: ...查打開包裝箱取出儀錶仔細檢查以下附件是否缺少或損壞如有缺少或損壞請立即與經銷商聯繫數字多用錶一台使用說明書一本錶棒一付溫度探頭 K 型熱電偶一支測試座電容晶體管一個三安全注意事項該儀錶在設計上符合 IEC1010 條款國際電工委員會頒佈的安全標準在使用之前請先閱讀安全注意事項 1 在測量直流 36V 交流 25V 以上電壓測量 10mA 以上電流測量帶電感負載的交流電力線測量電力波動期間的交流電力線時謹防電擊 2 測量前檢查測量功能開關是否置於正確的檔位要檢查錶筆是否可靠接觸是否正確連接是否絕緣良好等以避免電擊 3 儀錶只有和所配備的錶棒一起使用才符合安全標準要求如錶棒線破損時必須更換上同樣型號或者相同電氣規格的錶棒線 4 不要使用其他未經確認或未認可的保險管來更換儀錶內部的保險只能換上同樣型號或相同規格的保險管 ...

Page 19: ...電流插座時切勿測量任何電壓以免損壞儀錶和危及操作人員的安全 10 不要嘗試校準或維修儀錶的確有需要時必須有專門培訓或認可的有資格專業人員才能進行 11 在測量時功能量程選擇開關必需置於正確的量程檔位在轉換功能量程選擇開關時請一定要先將錶棒線與被測物件斷開確保輸入端沒任何信號輸入嚴禁在測量進行中轉換功能量程選擇開關 12 當 LCD 顯示時請及時更換電池以確保測量精度 13 不允許在電流檔去測量電壓 14 請不要隨意改變儀錶線路以免損壞儀錶和危及安全 15 安全符號說明警告直流電壓雙重絕緣交流電壓直流電流保險絲交流電流低電壓指示符合歐洲工會指令四儀錶面板及按鍵功能說明 1 儀錶型號 2 液晶顯示器顯示儀錶測量的數值及單位 3 功能按鍵說明 3 1 Hz 頻率占空比交流電壓位觸發此鍵可進行頻率占空比測量 3 2 Range 量...

Page 20: ...他功能自動關機在測量過程中功能按鍵和撥盤開關在 15 分鐘內均無動作時儀錶會自動關機休眠狀態以節約電能在自動關機狀態下按動功能鍵或是轉動撥盤開關儀錶會自動開機工作模式六特性 1 一般特性 1 1 顯示方式液晶顯示 1 2 最大顯示 3999 3 3 4 位元自動極性和單位顯示 1 3 測量方式雙積分式 A D 轉換 1 4 轉換速率約每秒 3 次 1 5 過量程顯示顯示 OL 1 6 低電壓顯示符號出現 1 7 工作環境 0 40 相對濕度 80 1 8 相對溫度 0 50 相對濕度 80 1 9 電源一隻 9V 電池 NEDA1604 6F22 或同等型號 1 10 體積尺寸 182 90 46mm 長寬高 1 11 重量約 320 g 不包括 9V 電池 1 12 附件說明書一本 10A 錶棒一付 K 型熱電偶一支測試座一個 2...

Page 21: ...在螢幕上注意 1 測量電壓切勿超過 1000V 超過則有損壞儀錶電路的危險 2 當測量高電壓電路時千萬注意避免人體觸及高壓電路注意人身安全 20 量程準確度分辨力 400mV 100uV 4V 1mV 40V 10mV 400V 0 5 4d 100mV 1000V 1 0 6d 1V 輸入阻抗 10MΩ 超載保護 1000V 直流或交流峰值 2 3 2 交流電壓 ACV 1 將黑錶棒插入 COM 插孔紅錶棒插入插孔 2 將旋鈕開關轉至檔初始為自動量程狀態顯示 AUTO 符號 3 按動 SELECT 鍵選擇可手動選擇測量量程 4 將測試錶棒接觸測試點紅錶棒接的該點電壓顯示在螢幕上注意 1 測量電壓切勿超過 750V 如超過有損壞儀錶電路的危險 2 當測量高電壓電路時千萬注意避免人體觸及高壓電路注意人身安全 ...

Page 22: ...流值及紅色錶棒點的電流極性將同時顯示在螢幕上注意 1 如 LCD 顯示 OL 表明已超過量程範圍需將量程開關轉至較高一檔 2 最大輸入電流為 400mA 或者 10A 視紅錶棒插入位置而定超過額定的電流會將保險絲熔斷甚至損壞儀錶量程準確度分辨力 400uA 0 1uA 4000uA 1uA 40mA 10uA 400mA 1 0 10d 100uA 4A 1 2 10d 10mA 10A 1 2 10d 10mA 最大測量壓降滿量程 mA 為 0 4V A 為 100mV 最大輸入電流 10A 不超過 15 秒超載保護 0 4A 250V 自恢復保險絲 10A 250V 保險管 2 3 4 交流電流 ACA 1 將黑錶棒插入 COM 插孔紅錶棒插入 mA 插孔最大為 400mA 或插入 10A 插孔中最大為 10A 2 將旋鈕開關轉至電流檔按動 SELECT...

Page 23: ...mV 最大輸入電流 10A 不超過 15 秒超載保護 0 4A 250V 自恢復保險絲 10A 250V 保險管頻率回應 10A 量程為 50 200 Hz 2 3 5 電阻 Ω 1 將黑錶棒插入 COM 插孔紅錶棒插入插孔 A 將旋鈕開關轉至 Ω 檔兩錶棒跨接在被測電阻上 B 如果測量阻值小的電阻應先將錶棒短路測得引線電阻然後在實測中減去注意 1 如 LCD 顯示 OL 表明已超過量程範圍需將旋鈕開關轉至較高一檔當測量電阻超過 1MΩ 以上時讀數幾秒之後才能穩定這在測量高阻時是正常的 2 當輸入端開路時則顯示 OL 3 測量線上電阻時要確認被測電路所有電源已關閉及所有電容都已完全放電才可進行量程準確度分辨力 400Ω 0 8 5d 0 1Ω 4kΩ 1Ω 40kΩ 10Ω 400kΩ 100Ω 4MΩ 0 8 4d 1kΩ 40MΩ 1 2 ...

Page 24: ...測試包括正反向測量如果測試結果與上述不符說明二極體是壞的 F 按動 SELECT 鍵選擇通斷測量方式 G 將錶棒連接到待測線路的兩點如果內置蜂鳴器發聲則兩點之間電阻值低於約 50Ω 則內置蜂鳴器發聲量程顯示值測試條件二極體正向壓降正向直流電流 0 5mA 反向電壓約 1 5V 蜂鳴器發聲長響測試兩點阻值約 50Ω 開路電壓約 0 5V 超載保護 250V 直流或交流峰值警告為了安全在此量程禁止輸入電壓值 2 3 7 電容 F 1 將旋鈕開關轉至檔 2 或將檔位設置在 Ω 檔按動 SELECT 鍵選擇電容測量方式 3 將黑錶棒插入 COM 插孔紅錶棒插入 mA 插孔 4 用測試錶棒注意紅錶棒極性為正極將被測電容接入 COM 和 mA 輸入端螢幕將顯示電容容量按動 REL 鍵可進行相對值測量注意 1 對被測電容應完全放電以防止損壞儀錶 2 測量...

Page 25: ...Hz 按鍵進入頻率測量狀態 4 禁止輸入超過 250V 直流或交流峰值的電壓以免損壞儀錶程量準確度分辨力 400Hz 0 1Hz 4kHz 1Hz 20kHz 0 5 10d 10Hz 0 1 99 9 僅供參考 0 1V 輸入靈敏度 0 7V 有效值超載保護 250V 直流或交流峰值 2 3 9 溫度 C 1 將旋鈕開關轉至檔 2 將熱電偶感測器的冷端自由端負極黑色插頭插入 COM 插孔正極插入 mA 插孔中熱電偶的工作端測溫端置於待測物上面或內部可直接從螢幕上讀取溫度值讀數為攝氏度注意 1 當輸入端開路時則顯示常溫 2 請勿隨意更換測溫感測器否則將不能保證測量準確度 3 嚴禁在溫度檔測量電壓量程準確度分辨力 20 1000 C 400 C 1 0 5d 400 C 1 5 15d 1 C 感測器 K 型熱電偶鎳鉻鎳硅香蕉插頭警 ...

Page 26: ...應取出電池防止電池漏液腐蝕儀錶 5 注意 9V 電池使用情況當螢幕顯示出符號時應更換電池步驟如下 5 1 卸下固定電池盒的螺絲取出電池盒 5 2 取出 9V 電池換上一個新的電池雖然任何標準 9V 電池都可使用但為加長使用時間最好使用鹼性電池 5 3 裝回電池盒鎖緊螺絲注意 1 不要將 1000V 直流或交流峰值電壓接入 2 不要在電流檔電阻檔二極體檔和蜂鳴器檔上測量電壓值 3 在電池沒有裝好或後蓋沒有上緊時請不要使用此錶 4 在更換電池或保險絲前請將測試錶棒測試點移開並關機八故障排除如果您的儀錶不能正常工作下面的方法可以幫助您快速解決一般問題如果故障仍排除不了請與維修中心或經銷商聯繫故障現象檢查部位及方法沒顯示電源未接通或更換電池符號出現更換電池顯示誤差大更換電池本說明書如有改變恕不另行通知本說明書的內容...

Page 27: ...是維修性質之服務則酌收檢修工時費用若有零件需更換則零件費另計產品保固說明保固期限內如有下列情況者維修中心則得酌收材料成本或修理費由本公司維修人員判定對產品表面的損傷包括外殼裂縫或刮痕因誤用疏忽不當安裝或測試未經授權打開產品修理修改產品或者任何其他超出預期使用範圍的原因所造成的損害因事故火災電力變化其他危害或自然災難所造成的損害非服務保證內容機件本體外之消耗品如電池等消耗品機件本體之外之附配件如耳機麥克風電源供應器記憶卡 CD 等附配件超過保證期限之檢修或服務雖未更換零件將依公司保固維修政策酌收服務費服務電話 0755 83692415 83692986 83246594 83247554 服務傳真 0755 83692143 26 ...

Page 28: ... 2013 Prokit s Industries Co LTD All rights reserved 2013001 T 27 ...

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