Uni-Trend UT526 multimeter
Contents
1. 0 010 2000 2 5 UT526 earth testing indexes Rated voltage About 5 0V Test range 0 010 2 0000 Test current gt 200mA within 0 000 2 000 Accuracy tolerance 0 010 2 0000 2 5 UT525 526 Operating Manual UT525 insulation resistance testing indexes Rated voltage 100V 250V 500V Test range 0 05MQ 200MQ Open circuit voltage DC 100V 10 DC 250V 10 DC 500V 10 Rated test current 100KQ load 250KQ load 500KQ load 0 9mA 1 1mA 0 9mA 1 1mA 0 9mA 1 1mA Short circuit lt 1 8mA Accuracy tolerance 0 05MQ 200MOQ 5 5 10 UT525 526 Operating Manual UT526 insulation resistance testing indexes Rated voltage 250V 500V 1 000V Test range 0 05MQ 200MQ 0 05MQ 300MQ 0 05MQ 500MQ Open circuit voltage DC 250V 10 DC 500V 10 DC 1 000V 10 Rated test current 500KO load 1MO load 250KQ load 0 9mA 1 1mA 0 9mA 1 1mA 0 9mA 1 1mA Short circuit lt 1 8mA Accuracy tolerance 0 05MQ 500MQ 5 5 11 UT525 526 Operating Manual UT525 UT526 voltage testing indexes DCV ACV Test 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 Display LCD disp2. is outputted from LINE terminal 24 UT525 526 Operating Manual Continuous Testing Operation Select one test voltage with dial plate the optional voltages of UT525 100V 250V 500V the optional voltages of UT526 250V 500V 1 000V and press TEST key which is in self locking state to make continuous testing and output insulation resistance testing voltage and the test light become red After completing testing press TEST key to unlock to stop testing A Note 1 2 3 Before testing make sure that the circuit to be tested is uncharged do not test the insulation of charged equipment or live circuit After completing testing do not touch the circuit with hand the stored electric capacity may cause electric shock Cut the connection between testing wires and the circuit tested do not touch them with hand until the voltage is released completely When the battery cover is open do not test 25 UT525 526 Operating Manual Picture 5 26 UT525 526 Operating Manual XI Replace Battery see Picture 6 A 1 2 A 1 2 3 Note Do not use old and new batteries at the same time Pay attention to the polarity during replacing battery Danger To avoid potential electric shock move the lead from the instrument before replacing battery When the battery cover is open do not test When sign m is displayed on LCD it means the battery needs to be replaced please operate as following 1 Tur
3. LINI T UT525 526 Electrical Testers Operating Manual UT525 526 Operating Manual Contents Item Page Safety Precautions 3 Il Features 400044 Henne 7 Ill Specifications oe 8 IV Front View of the Instrument 14 V Function of Keys and Dial Plate 16 VI Testing Preparation 16 VII Earth Testing 2 2 2 2228 aaa 17 VIII RCD Testing 25 2 20 52 anna 19 IX Voltage Testing 21 X Insulation Resistance Testing 24 XI Replace Battery 27 XII Maintenance esa sesen 29 UT525 526 Operating Manual Overview UT525 UT526 is a digital multi functional electric testing instrument adopting new design and integrating large scale analog integrated circuit digital circuit 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 eguipments UT525 UT526 is the ideal sele
4. al 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 the battery is almost used up and needs to be replaced Low voltage display sign Voltage of battery D 7V or less 16 UT525 526 Operating Manual VII Earth Testing see Picture 2 for the connection diagram Connect the object to be tested with the instrument according to the diagram after that make the dial plate point to Continuly and then press TEST key to start earth test A Note 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 object 17 UT525 526 Operating Manual Picture 2 18 UT525 526 Operating Manual VIII RCD Testing see Picture 3 for the connection diagram Make the dial plate point to RCD V and press I VOLT key to set up test current test current 10mMA 30mA 100mA 300mA to start RCD testing Connect
5. ction for repairing maintaining and testing RCD of all electric eguipments UT525 526 Operating Manual I Safety Precautions This instrument was designed manufactured and tested according to IEC61010 safety standard Safety Requirements for Electrical Equipment This Instructions describe the warnings and safety rules which ensure the safe operation and safe state of the instrument which the user must follow Please read following instructions before using A Warning e Please read and understood the Instructions before using e Please follow the requirements of the Instructions keep the Instructions well for further reference at any time e During testing incorrect operation will cause accident and instrument damage Sign A on the instrument tell the user that some operations should be made according to relative requirements of the Instructions to ensure safety operation of the instrument UT525 526 Operating Manual It means under some conditions the operation may cause A Danger serious or fatal damages may be caused A Warning It means taking care to keep away from electric shock A Note It means avoiding instrument damage and gain accurate testing A Danger e Do not test circuit with AC440V DC440V or above e Do not test in the place with inflammable conditions e Do not operate the instrument if the surface of the instrument is wet or the hand is wet A Warning e When there is anything u
6. ion Method Connect the red green 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 A 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 testing is made under high voltage pay attention to personnel safety 19 UT525 526 Operating Manual Picture 3 20 UT525 526 Operating Manual IX Voltage Testing see Picture 4 for the connection diagram Make the dial plate point to RCD V and the long press I VOLT key to switch to AC DC voltage testing state Connection method 1 1 Insert red testing wire into L input port and black testing wire into N input port 2 After connecting red black alligator 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 tested and press TEST key the system will judge the AC or DC voltage automatically and the voltage and fre
7. lay max reading 9999 Low battery voltage warning ED Over limit indication OL Auto range function Unit display can display function electric unit signs Work conditions 0 C 40 C 85 RH or less Storage condition 20 C 60 C 90 RH or less Dimensions 150mm L x100mm W x71mm D Current consumption about 50mA 1 000V output about 10mA in general condition Accessories testing wire alkaline battery 1 5V AA x6 Instructions carrying bag Weight 0 7kg including batteries Power alkaline battery 1 5V AA x6 13 UT525 526 Operating Manual IV Front View of the Instrument see Picture 1 1 L jack of live wire terminal for RCD testing and positive terminal for 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 14 UT525 526 Operating Manual Picture 1 15 UT525 526 Operating Manual V Function of Keys and Dial Plate 1 IVOLT is RCD current testing range selection and voltage testing switch key 2 ANG ZERO is RCD testing angle switch key and return to zero key before starting earth testing 3 TEST is test key 4 When dial plate points to Continuly enter earth test 5 When di
8. n 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 batteries make sure that the screw is tightened firmly 27 UT525 526 Operating Manual Picture 6 28 UT525 526 Operating Manual XII Maintenance Clear the shell Wipe the surface with soft wet cloth or sponge To avoid instrument 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 gualified professional maintenance man to repair or send it to the designated maintenance point The content is subject to change without prior notice 29 Copyright 2009 Uni Trend Group Limited All rights reserved Manufacturer Uni Trend Technology Dongguan Limited Dong Fang Da Dao Bei Shan Dong Fang Industrial Development District Hu Men Town Dongguan City Guang Dong Province China Postal Code 523 925 Headquarters Uni Trend Group Limited Rm901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Tel 852 2950 9168 Fax 852 2950 9303 Email info uni trend com http www uni trend com
9. nusual to the instrument such as the instrument is damaged or the metal is exposed please do not use it 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 4 UT525 526 Operating Manual Operate carefully under the voltage over 33Vrms 46 7Vacrms or 70Vdc electric shock may be caused under such kind of voltage during operating After completing high resistance testing the charge storage of the circuit to be tested must be released Do not replace battery if the instrument is in place with humidity Make sure the all testing wires are connected with the testing ports firmly Before opening 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 KD shows that the battery is used up please do not use the instrument any more If the instrument won t be used for a long time please take out the battery and then keep the instrument well 5 UT525 526 Operating Manual Do not put or use the instrument in the place with high temperature high humidity inflammable o
10. quency will be displayed on LCD 21 UT525 526 Operating Manual A Note 1 2 3 Do not input voltage over 440V or 440Vrms It is possible to display higher voltage but the instrument may be damaged During testing high voltage especially avoid electric shock 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 When the battery cover is open do not test 22 UT525 526 Operating Manual Picture 4 23 UT525 526 Operating Manual X Insulation Resistance Testing see picture 5 for the connection diagram A Note 1 Before testing make sure that the circuit to be tested is uncharged do not test the insulation of charged eguipment or live circuit 2 When the battery cover is open do not test 3 Do not make the two pens short circuit state under 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 2 3 Before testing insulation resistance the circuit to be tested must be discharged completely and separated from the power circuit absolutely Insert the red testing wire into LINE input terminal and black testing wire into N input terminal Connect the red black alligator clips to the circuit to be tested and the high voltage
11. r 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 UT525 526 Operating Manual Il Features A Danger of electric shock may happen E The instrument has double insulation or reinforced insulation DC lod AC Earth e Designed and manufactured strictly according to IEC61010 safety standard the instrument meets with Over Voltage Standard CATIII600V and safety standard of Class II Pollution e Auto discharge function e Red warning light UT525 526 Operating Manual Ill Specifications Error limit a reading digits one year of warranty period Environment temperature 23 5 C Environment humidity 45 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 041096 Testing time a range 0 2 000mS range when 30mA range 0 500mS switch of 100mA range 0 300mS RCD is off 300mA range 0 300mS Accuracy tolerance 5 2 UT525 526 Operating Manual UT525 earth testing indexes Rated voltage About 5 0V Test range 0 01Q 200Q Test current gt 200mA for 0 000 2 000 Accuracy tolerance
Download Pdf Manuals
Related Search