UNI-T UT528 Скачать руководство пользователя страница 1 | Manualshive

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P/N:110401105431X

REV.3

DATE:2015/07/15

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Содержание UT528

Страница 1: ...P N 110401105431X REV 3 DATE 2015 07 15 ...

Страница 2: ...Overview UT528 528AU UT528 528AU from UT528 528AU Main Unit UT528 528AU ...

Страница 3: ...r damaged as this could result in electrical shock Replace the battery as soon as the battery indicator appears Low battery levels may produce inaccurate readings Do not use or store the unit in high temperature humid flammable or electromagnetic environments as damage and incorrect readings may result If the tester requires repair or replacement please contact your local service center Declaratio...

Страница 4: ...UT528 528AU ...

Страница 5: ...4 8 Warning Symbol 9 Unit Error 10 Readings and Cable Results 11 Leakage Current 12 Double Insulated Class II Test 13 Class I Test ...

Страница 6: ...5 Class I Test Button Zero Null Selection Class II Test Button 250V Insulation Selection IEC Cable Test Button 30m Long Lead Selection Earth Probe Mains IEC testing ...

Страница 7: ...on when testing a CLASS II Appliance 4 Press button when performing Cord Extension Lead testing Advance Features 5 Press and hold the button this will set the tester into Long Lead Mode 6 Press and hold the button to activate 250v insulation test You can exit the above advanced features by turning the unit off and back on ...

Страница 8: ...ad and the nulling adapter together in the front test socket This will null the earth reading of the test lead and GOOD will be displayed once complete It is good practice to do this once prior to carrying out testing Auto Switch Off The unit will automatically switch off after approximately 2 minutes if no buttons are pressed Testing a Class 1 Appliance Plug the appliance into the UT528 528AU pan...

Страница 9: ...8 exposed metal part on the appliance as shown in Diagram 3 1 Earth Protective Conductor Test Press the Class 1 test button to start the test The earth resistance test will begin ...

Страница 10: ...f all connections are ok the appliance earth connection may be faulty The PASS mark for the earth bond test is 0 2 Ω for a Class 1 appliance If the reading is less than 0 2 Ω the meter will display Rpe which is a PASS The unit will then automatically attempt to proceed to the insulation test If it detects that the appliance s power switch is in the ON position it will carry out the insulation test...

Страница 11: ...nsulation test Please note most electronic appliances will have electronic on off switches and even though they are switched on the Check Connections message will still appear If the measured resistance is greater than 1MΩ the meter will display Riso as a PASS rating If the insulation of the appliance is less than 1MΩ it will display Riso as a FAIL rating Leakage Test 3 After the unit has complete...

Страница 12: ...UT528 528AU UT528 528AU ...

Страница 13: ...possibly as a result of a connected earth clip it will display a flashing symbol and you will be prevented from carrying out the Class 2 test Test the appliance instead using the Class 1 test Insulation Resistance Test Class 2 Appliance Before the unit carries out the insulation test the unit will attempt to check to ...

Страница 14: ...nce is switched on press the button again to start the test Please note most electronic appliances will have electronic on off switches and even though they are switched on the flashing will still appear If the measured resistance is greater than 2MΩ the meter will display Riso as a PASS rating If the insulation of the appliance is less than 2MΩ it will display Riso as a FAIL rating ...

Страница 15: ... a PASS rating If the measured leakage is greater than 0 25mA it will display ILeak as a FAIL Final Result Class 2 After the above tests are completed the meter will indicate whether the appliance has Passed or Failed the Class 2 test Testing an IEC Lead Extension Lead Cord Test Plug the mains lead under test into the socket and the front panel mains socket on the unit as shown in Diagram 5 ...

Страница 16: ...nit will carry out an earth bond test in the same manner as a Class 1 appliance The Pass mark for this test is 0 2 Ω 2 Insulation Test The unit will then carry out an insulation test as previously discussed in the manual The PASS Mark for this test is 2 MΩ ...

Страница 17: ...r open circuit short circuit or Line Neutral reversal If the Polarity is correct then the meter will display Good If the Polarity test detects a fault the meter will display Cross or Open 4 Overall Result After the above measurements are completed the meter will indicate whether the measured appliance is compliant with the requirements of cord testing with PASS or FAIL Testing a Surge Protected Ex...

Страница 18: ...nsulation test carried out in this mode will be at 250V To exit this mode turn the tester off and back on Testing a Long Cable up to 30 metres To test a long extension lead or cable ensure the tester is in long lead mode by pressing and holding the button for 5 seconds To exit this mode turn off the tester Checking a Mains Power Supply The unit comes complete with a built in socket tester which wi...

Страница 19: ... as shown in Diagram 6 1 If the Live and Neutral in the socket wiring are reversed or there is a fault with the protective earth connection this is indicated as LN LE NE 2 If there is a fault with the neutral connection this is indicated as LN LE NE 3 If the mains socket wiring is correct the display will show LN LE NE ...

Страница 20: ...acy Test Voltage Test Current Test Current 500V 40Vrms 50Hz AC 1mA 500k 2mA 1k 5mA 2k Leakage Current Accuracy Test Voltage Test Current Factory Default PASS Fail Limits Earth Continuity Insulation Resistance Leakage Class I Class II Cord UT528 UT528AU UT528 UT528AU UT528 UT528AU 1 0Mohms 0 75mA 1 0 Mohms 1 0 Mohms 2 0 Mohms 2 0 Mohms 0 25mA 1 ohm 0 2 ohm 19 ...

Страница 21: ...Remarks UT528AU Only Earth Continuity class I 0 2Ω Cord 1 Ωis PASS Insulation Resistance 1 0MΩis PASS Leakage class II 0 25mA is PASS ...

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