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UNI-T UT525 Скачать руководство пользователя страница 7

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UT525/526 Operating Manual

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Do not put or use the instrument in the place with high temperature, high

humidity, inflammable or explosive matters and high electromagnetic field.

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Do not clean the cover of the instrument with wet cloth of detergent, do not

use abrasives or solvent.

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When the instrument is wet, please make it dry and then put it in the

proper place.

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Содержание UT525

Страница 1: ...Operating Manual UT525 526 Electrical Testers ...

Страница 2: ... Item Page I Safety Precautions II Features III Specifications IV Front View of the Instrument V Function of Keys and Dial Plate VI Testing Preparation VII Earth Testing VIII RCD Testing IX Voltage Testing X Insulation Resistance Testing XI Replace Battery XII Maintenance ...

Страница 3: ... and microprocessor chips which can mainly test parameters of residual current device RCD earth insulation resistance DCV and ACV with features of full functions high accuracy stable performance easy and reliable operation it is available to test RCD insulation and earth of electric equipments UT525 UT526 is the ideal selection for repairing maintaining and testing RCD of all electric equipments ...

Страница 4: ...w Please read following instructions before using Warning Please read and understood the Instructions before using Please follow the requirements of the Instructions keep the Instructions well for further reference at any time During testing incorrect operation will cause accident and instrument damage Sign on the instrument tell the user that some operations should be made according to relative r...

Страница 5: ...with AC440V DC440V or above Do not test in the place with inflammable conditions Do not operate the instrument if the surface of the instrument is wet or the hand is wet During testing do not touch the conductive part of the testing pen Do not open the battery cover during testing During testing insulation and RCD do not touch the circuit to be tested Warning When there is anything unusual to the ...

Страница 6: ...ening cover of the battery please make sure the instrument is turned off Note Before testing resistance the circuit to be tested must be discharged completely and separated from the power circuit absolutely If the testing pen or adapter is damaged and needs to be replaced please replace with testing pen or adapter with the same model and electric specifications When the battery sign shows that the...

Страница 7: ...h high temperature high humidity inflammable or explosive matters and high electromagnetic field Do not clean the cover of the instrument with wet cloth of detergent do not use abrasives or solvent When the instrument is wet please make it dry and then put it in the proper place ...

Страница 8: ...nstrument has double insulation or reinforced insulation DC AC Earth Designed and manufactured strictly according to IEC61010 safety standard the instrument meets with Over Voltage Standard CATIII600V and safety standard of Class II Pollution Auto discharge function Red warning light ...

Страница 9: ... 75 RH UT525 UT526 RCD testing indexes RCD testing current 10mA 30mA 100mA 300mA Applied voltage Voltage 220V 10 frequency 45Hz 65Hz Accuracy tolerance RCD testing current accuracy tolerance with AC 220V 2 0 10 Testing time range when switch of RCD is off Accuracy tolerance 5 2 10mA range 0 2 000mS 30mA range 0 500mS 100mA range 0 300mS 300mA range 0 300mS ...

Страница 10: ...d voltage About 5 0V Test range 0 01Ω 200Ω Test current 200mA for 0 00Ω 2 00Ω Accuracy tolerance 0 01Ω 200Ω 2 5 UT526 earth testing indexes Rated voltage About 5 0V Test range 0 01Ω 2 000Ω Test current 200mA within 0 00Ω 2 00Ω Accuracy tolerance 0 01Ω 2 000Ω 2 5 ...

Страница 11: ...ting indexes Rated voltage 100V 250V 500V Test range 0 05MΩ 200MΩ Open circuit voltage DC 100V 10 DC 250V 10 DC 500V 10 Rated test current 100KΩ load 250KΩ load 500KΩ load Short circuit 1 8mA Accuracy tolerance 0 05MΩ 200MΩ 5 5 0 9mA 1 1mA 0 9mA 1 1mA 0 9mA 1 1mA ...

Страница 12: ...ated voltage 250V 500V 1 000V Test range 0 05MΩ 200MΩ 0 05MΩ 300MΩ 0 05MΩ 500MΩ Open circuit voltage DC 250V 10 DC 500V 10 DC 1 000V 10 Rated test current 500KΩ load 1MΩ load 250KΩ load Short circuit 1 8mA Accuracy tolerance 0 05MΩ 500MΩ 5 5 0 9mA 1 1mA 0 9mA 1 1mA 0 9mA 1 1mA ...

Страница 13: ...t range 0 440V 0 440 50 60Hz just for reference to that less than 10V Resolution 1V Accuracy tolerance 2 3 UT525 UT526 frequency testing indexes Test range 20Hz 100Hz Resolution 1Hz Accuracy tolerance Just for reference 12 UT525 526 Operating Manual ...

Страница 14: ...play function electric unit signs Work conditions 0 40 85 RH or less Storage condition 20 60 90 RH or less Dimensions 150mm L 100mm W 71mm D Current consumption about 50mA 1 000V output about 10mA in general condition Accessories testing wire alkaline battery 1 5V AA 6 Instructions carrying bag Weight 0 7kg including batteries Power alkaline battery 1 5V AA 6 ...

Страница 15: ... voltage testing 2 E jack of earth for RCD testing 3 N jack of null wire terminal for RCD testing and input negative terminal for voltage testing 4 LINE jack of high voltage output for insulation resistance testing 5 LCD 6 RCD current setup key and voltage testing switch key 7 RCD angles switch key and return to zero key 8 Test button 9 Dial plate ...

Страница 16: ...15 UT525 526 Operating Manual Picture 1 ...

Страница 17: ...h test 5 When dial plate points to RCD V enter RCD testing and AC and DC voltage testing 6 When dial plate points to UT525 output voltage 100V 250V 500V or UT526 output voltage 250V 500V 1 000V select the demanded output voltage respectively enter insulation resistance testing VI Testing Preparation When turning on the instrument if the battery sign on the left of LCD shows low voltage it means th...

Страница 18: ...t to Continuly and then press TEST key to start earth test Note 1 To keep the accuracy of test return to zero operation must be made return to zero operation by pen in state of earthing make the two pens in reliable short circuit state after that press TEST key and then press ANG ZERO return to zero key the resistance of the pens will be clear to 0 and the LCD displays ZERO 2 Do not test live obje...

Страница 19: ...18 UT525 526 Operating Manual Picture 2 ...

Страница 20: ... and blue testing wires of three wire plug with the red L green E and blue N ports respectively and then insert the three wire plug into the 220V civil jack and press TEST key Note 1 During testing RCD the earth terminal of power jack must be grounded reliably 2 During testing RCD make sure that connection of L live wire N null wire and E earth wire of power jack are connected rightly 3 This testi...

Страница 21: ...20 UT525 526 Operating Manual Picture 3 ...

Страница 22: ...gator clips or probes to the circuit to be tested firmly press TEST key the system will judge the AC or DC voltage automatically and the voltage and frequency will be displayed on LCD Connection method 2 Connect the red green and blue testing wires of three wire plug to the red L green E and blue N ports of the instrument respectively after that insert the plug into the jack of the circuit to be t...

Страница 23: ...ltage but the instrument may be damaged 2 During testing high voltage especially avoid electric shock 3 After completing all the testing cut the connection between testing wires and the circuit tested and dismantle the testing wires from input terminal of the instrument 4 When the battery cover is open do not test ...

Страница 24: ...23 UT525 526 Operating Manual Picture 4 ...

Страница 25: ...r high voltage input and do not test the insulation resistance after outputting high voltage Press to make the dial plate point to UT525 100V 250V 500V or UT526 250V 500V 1 000V 1 Before testing insulation resistance the circuit to be tested must be discharged completely and separated from the power circuit absolutely 2 Insert the red testing wire into LINE input terminal and black testing wire in...

Страница 26: ...he test light become red After completing testing press TEST key to unlock to stop testing Note 1 Before testing make sure that the circuit to be tested is uncharged do not test the insulation of charged equipment or live circuit 2 After completing testing do not touch the circuit with hand the stored electric capacity may cause electric shock 3 Cut the connection between testing wires and the cir...

Страница 27: ...26 UT525 526 Operating Manual Picture 5 ...

Страница 28: ...strument before replacing battery 2 When the battery cover is open do not test 3 When sign is displayed on LCD it means the battery needs to be replaced please operate as following 1 Turn off the power namely make the dial plate point to OFF and move testing wires away 2 Loosen screw on the battery cover and move away the battery cover and then replace the 6 batteries 3 After replacing the batteri...

Страница 29: ...28 UT525 526 Operating Manual Picture 6 ...

Страница 30: ...nstrument damage do not dip the instrument into water When the instrument is wet make it dry and then store When the instrument needs to be checked or repaired please let qualified professional maintenance man to repair or send it to the designated maintenance point The content is subject to change without prior notice ...

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