UNI-T UT522 User Manual Download Page 8 | Manualshive

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UT522 USERS MANUAL

8

3.7

Power source:[1.5V Alkaline Battery (AA)*6]

3.8

Overload protection:

Earth Resistance:200 Vac (10 seconds)
Earth Voltage:600 Vac (30 seconds)

3.9

Insulation Resistance

:The insulation impedance between measure circuit and

housing is not less than 20M .

3.10

Product size:160mmx70.5mmx100mm.

3.11

Product Weight:around 560g.

3.12

Accessories:
Green test lead 5 meter
Yellow test lead 10 meter
Red test lead 20 meter
Auxiliary earth stakes
One plug test lead with alligator clip
1.5V Alkaline Battery (AA)
Carrying Bag
English manual

1 piece
1 piece
1 piece
2 pieces
1 set
6 pieces
1 set
1 piece

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Summary of Contents for UT522

Page 1: ...UAL 1 Content Chapter Page 2 5 6 9 10 11 18 1 Safety Instructions 2 Characteristics 3 General Specifications 4 Product outlook accessories 5 Preparation before measurement 6 Measurement Operation 7 Maintenance Repair ...

Page 2: ...ng manual including the content Keep the operating manual properly and let it easy to get it for reference during the process of testing When using the Tester user must follow the testing procedure as mentioned in the operating manual Careful reading the operating manual regarding the safety information and it is content Must be followed all the related safety instructions otherwise it may cause a...

Page 3: ...se hazard s or damage the Tester Safety sign has 3 meaning in this manual user has to pay attention to this sign for operation Danger Do not use the Tester around explosive environment which may cause fire and explosion Do not use the Tester in wet environment or do not make any connection work when your fingers are wet Do not apply the load more than the Tester capacity or range Do not open batte...

Page 4: ...artment Caution Ensure test lead probe insert into the corresponding port before measurement Take the battery out from the Tester if it is not used for a long time Do not expose the Tester in extreme temperature and wet environment Soft cloth and mild detergent should be used to clean the surface of the Tester when servicing No abrasive and solvent should be used Dry the tester before storing if i...

Page 5: ...the Tester should not be used outdoor hazard environment like raining thunder etc 2 1 With backlight display and battery check function 2 2 Data logging for 20 sets of data 2 3 With auto switch off save energy function 2 4 Precision 3 Wires Testing and Simple 2 Wires Testing 2 5 During earth voltage testing if C port or E port don t contact properly LCD display will show indication 2 6 Over range ...

Page 6: ...standard IEC 61010 1 CATIII 600V Polluting Grading Grade II IEC 61557 1 5 IEC 61010 2 31 Range Earth Voltage Measure Range 0V 400V 50 60Hz Earth Resistance Best Accuracy 1 0 6 2 0 20 40 position 2 0 3 400 or 4000 position Auxiliary earth resistance 500 accuracy 5 earth voltage 10Vac 0 00 40 00 0 0 400 0 0 4000 40 400 4000 ...

Page 7: ... 820Hz current 40 position around 3 2mA 3 4 Maximum operating accuracy Maximum operating accuracy within measure range 30 40 5 00 40 00 400 40 0 400 0 4000 400 4000 3 5 Working condition Temperature 5 40 Relative humidity 80 RH no fog Height above Sea Level 2000 meters 3 6 Storage condition Temperature 20 60 Relative humidity 75 RH no fog ...

Page 8: ...mpedance between measure circuit and housing is not less than 20M 3 10 Product size 160mmx70 5mmx100mm 3 11 Product Weight around 560g 3 12 Accessories Green test lead 5 meter Yellow test lead 10 meter Red test lead 20 meter Auxiliary earth stakes One plug test lead with alligator clip 1 5V Alkaline Battery AA Carrying Bag English manual 1 piece 1 piece 1 piece 2 pieces 1 set 6 pieces 1 set 1 piec...

Page 9: ...duct outlook accessories figure 1 figure 1 LCD Display LIGHT LOAD button HOLD SAVE button TEST button ON OFF function Input terminals Standard 3 Wires test leads Simple 2 Wires test leads Auxiliary earth stakes 2 3 1 4 5 6 7 8 9 ...

Page 10: ...o the Tester input terminals test leads do not firmly connect will affect the accuracy of measuring value 5 Preparation before measurement 5 1 Battery Voltage check Select function from OFF to EARTH VOLTAGE or EARTH RESISTANCE LCD Display will show battery indicator which show lowest battery status and need to change battery otherwise the Tester cannot work properly ...

Page 11: ...lectrode E probe P and auxiliary earth C should be 5 10 meter apart as below connection figure 2 Attention ensure the ground stakes in the moisture soil If the soil is too dry it need to fill in sufficient water Rock or sand also needs moisture before testing If the testing site is inside the urban city with concrete cover which is hard to put in the ground stakes it can use 25cm X 25 cm two steel...

Page 12: ...UT522 USERS MANUAL 12 figure2 C auxiliary electrode P potential electrode E earth electrode Auxiliary Earth Spikes Earthed Electrode Under Test Red Yellow Green 5 10m 5 10m ...

Page 13: ...g Earth voltage testing only work in V and E C and P connecting cable must be separated Otherwise it will cause danger and damage the Tester c Earth Resistance Testing Select function OFF to EARTH RESISTANCE 4000 Maximum press TEST button LCD display will show earth resistance value If the resistance value 400 then select function from OFF to earth resistance 400 LCD display will show earth resist...

Page 14: ...ess than around 26K or 4000 position less than around 78K LCD display will show OL overload Warning If the auxiliary earth stake is banning or touch the other materials it will affect the reading When connect the test leads it must clean the auxiliary earth stake If the auxiliary earth stake value is too large it also cause the deviation in reading d The tester should be switch on when press the b...

Page 15: ...on press Hold Save button for around 2 seconds 2 Read data press Light Load button for around 2 seconds it will show address serial number 01 saved data Press Light Load button once again to show the address serial number 02 saved data until the 20th saved data If you want to return back the previous saved data press Hold Save once In the situation Hold Save button Light Load button slightly press...

Page 16: ...ke cannot be used Use the expose earth resistance object from the ground as earth like metal water bath water pile wire ground building earth also can use 2 wires test leads method E and P C terminals Connection as figure 3 figure 3 Primary Side Red Green Secondary Side Supply Transformer Peference Earthed Electrode Earthed Electrode Under Test ...

Page 17: ...L 17 When using this method P and C have already connected together Danger When using commercial electricity power systemís grounding point as a reference testing point please be careful for voltage pose a shock hazard ...

Page 18: ...UT522 USERS MANUAL 18 7 Maintenance Repair 7 1 Maintenance 7 1 1 Replacing battery and repair please see figure 4 After low battery indicator show replacing battery immediately as follows figure 4 ...

Page 19: ...he battery compartment 7 1 2 Cleaning the Tester Soft cloth and mild detergent should be used to clean the surface of the Tester because solvent will corrosive the display 7 1 3 Must be avoiding moisture 7 2 Repair 7 2 1 Contact our after sales service department or agents when the following thing happens a The Tester is being damage b LCD display abnormal c Unreasonable deviation when in normal u...

Page 20: ...UT522 USERS MANUAL 20 This operating manual is subject to change without notice ...

Page 21: ...UT522 USERS MANUAL 21 ...

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