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Jinko JK7123, User Manual

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saved, press the "Reset" switch to turn off the output.

9.13 Correction of AC voltage to ground

Press the "SET" key, the program enters the ground resistance AC voltage correction mode, and the
display will show:

Connect a standard voltmeter capable of measuring 10VAC to the test end of the instrument, and
then press the "Start" key. At this time, the calibration program of the instrument will
automatically output a voltage of about 6VAC, and the display will show:

Please use the "+" or "-" key on the panel to input the standard voltage into the calibration
program, press the "+" key to increase the number, and the "-" key to decrease the number.
Please confirm the number is correct before pressing the "EXIT" key to close the output and
save the input data. If the data is not saved, press the "Reset" switch to turn off the output.

9.14 Correction of ground resistance AC current

Press the "SET" key, the program enters the ground resistance AC current correction mode, and
the display will show:

Connect a standard ammeter capable of measuring 30AAC to the test end of the instrument, and
then press the "Start" key. At this time, the calibration program of the instrument will
automatically output a current of about 25AAC, and the display will show:

Please use the "+" or "-" key on the panel to input the standard value of the standard ammeter
into the calibration program, the unit is A. Please confirm the number is correct before pressing
the "EXIT" key to close the output and save the input data. If the data is not saved, press the
"Reset" switch to turn off the output.

CAL GND V = 6

.

000V

<TEST> to Calibrate

CAL GND I = 25.00A
<TEST> to Calibrate

CAL GND V = X

.

XXXV

<EXIT> to Save

CAL GND I = XX

.

XXA

<EXIT> to Save

Summary of Contents for JK7123

Page 1: ...ed Withstand Voltage Insulation Ground Tester Vear2 0 Changzhou Jinailian Electronic Technology Co Ltd No C3 Building 22 New Impetus Pioneering Center No 1 Qingyang North Road Tianning District Changzhou Jiangsu CN TEL 0086 519 85563477 FAX 0086 519 85565067 https jinailian en alibaba com www jk17 com www jaldz com ...

Page 2: ... voltage and current generated by the instrument are sufficient to cause personal injury In order to prevent accidental injury or death when moving and using the instrument be sure to observe it clearly before proceeding 1 2 Maintenance and upkeep 1 2 1 User maintenance To prevent electric shock non professionals should not open the cover of the instrument All parts inside the instrument must not ...

Page 3: ...ct The position of the operator must not be across the object to be operated and adjusted If the volume of the object to be measured is small place the object to be tested in a non conductive box as much as possible The test site must be kept tidy and clean at all times and must not be cluttered Place unused instruments and test leads in a fixed position Make sure that all personnel can immediatel...

Page 4: ...operator must be able to operate completely independently The switch and remote control switch cannot be controlled by others The remote control switch should be placed in a fixed position when not in use During the test never touch the test object or anything connected to the test object 1 6 The following safety points must be kept in mind Non qualified operators and unrelated personnel should st...

Page 5: ...nfirm that the quality of the product can meet the safety standards Safety test after repair confirm that the repaired product can maintain compliance with safety standards Different products have different technical specifications Basically during the withstand voltage test a voltage higher than the normal working voltage is added to the product to test This voltage must last for a period of time...

Page 6: ...advantages and disadvantages of DC and AC testing 2 3 1 Characteristics of AC withstand voltage ACW test Most of the DUTs that do withstand voltage tests will contain some stray capacitance These stray capacitors may not be filled with AC tests and a continuous current will flow through these capacitors 2 3 1 1 Advantages of AC Withstand Voltage ACW Test 1 Generally speaking AC test is easier to b...

Page 7: ...it will definitely cause the tester to misjudge and make the test result incorrect 2 Since the DC voltage test will charge the test object after the test the test object must be discharged before the next step 3 Unlike the AC test the DC withstand voltage test can only be tested with a single polarity If the product is to be used under AC voltage this disadvantage must be considered This is why mo...

Page 8: ...afer under normal use conditions Different products have different technical specifications Basically safety regulations require a constant current to flow at the contact point This current must be maintained for a specified period of time If the resistance of the contact point is maintained within the specified range within the specified time It can be determined that the appliance operates under...

Page 9: ...tact points Because the calculation of resistance value is the effective value of voltage and current and the effective value of DC is the same as the peak value but the peak value of AC is 1 414 times the effective value Therefore when AC is at the peak its current value is also 1 414 of DC Times When comparing the energy generated by the AC peak point to the contact point the energy generated by...

Page 10: ...cs Voltage 220VAC 士 10 single phase Optional Frequency 47 63Hz Fuse 4A 250VAC AC withstand voltage test Rated output 5KV AC Output frequency 50 or 60Hz optional Output waveform sine wave1 3 crest factor 1 5 Leakage current High limit Range 0 01 20 00mA Resolution 0 01mA Accuracy 士 2 set value 2 characters Leakage Current Low limit Range 0 00 20 00mA Resolution 0 01mA Accuracy 士 2 set value 2 chara...

Page 11: ...n 0 01KV Accuracy 2 set value Resistance display Range 1 000 2000MΩ Accuracy 5 set value 3 characters 1 1000MΩ 10 set value 3 characters 1000 2000MΩ Resistance high limit setting 0 2000MΩ 0 is not judged Resistance low limit setting 1 0 999 9MΩ judge delay time Range 0 8 999 9 S 0 is continuous judgment Resolution 0 1S Accuracy 0 1 set value 0 05 S Ground resistance test Voltage output 7VAC Peak c...

Page 12: ... interrupt the test At the end of the test as a switch to exit the test and display the next test state When the DUT fails the test this red indicator light will be on 3 Switch The working power input switch of the instrument 4 SET key In the state to be tested it is used as a function key to enter the setting mode In the setting mode it is used as a function key for selecting test parameter items...

Page 13: ...he withstand voltage and insulation resistance in combination with 9 and test the ground resistance in combination with 12 13 and 14 9 High voltage output Special output terminal can withstand high voltage within 10KV As the high voltage test end of the test piece 10 LCD display 20 character x 2 line backlit LCD display for displaying setting data or test results 11 Test in progress When the instr...

Page 14: ...change the test status of the instrument 8 Input power socket The standard input power socket provides working power for the instrument and the input power voltage is AC220V 9 Input power fuse holder Note that you must first turn off the input power switch and disconnect the power plug before you can replace the fuse and the standard specification fuse 10A 250VAC should be replaced 10 Ground The g...

Page 15: ...trument first 3 Connect all the test leads of the DUT then connect the loop wires to the tested end of the instrument and finally connect the high voltage test leads to the high voltage terminals of the instrument and check whether all the test leads are all connected OK Turn on the input power switch of the instrument After the program displays the instrument model it will automatically display t...

Page 16: ...e failure At this time the indicator light in the red reset switch will light up and at the same time it will continue to emit a beep warning sound You can press the Reset switch to turn off the alarm sound To continue the test press the Start switch again For information on the various monitors refer to the description of Monitor Information 9 If you want to use an external remote control to oper...

Page 17: ...e control input signals of TEST start and RESET reset 6 2 Remote output signal wiring and description This tester provides two normally open NO contact signals which are provided by two relays inside the instrument The capacity of the contacts is AC250V l 0A DC250V 0 5A These contacts have no positive and negative polarity restrictions and Each signal is independently wired and has no common groun...

Page 18: ... the controller Please pay special attention to never connect any other power source if you connect other power sources it will cause damage to the internal circuit of the instrument or malfunction Pin numbers are attached to the terminal block The detailed wiring is as follows 1 TEST control The control switch is connected between PIN4 and PIN9 2 RESET control switch is connected between PIN5 and...

Page 19: ...uit can withstand is as follows Maximum discharge capacity 0 2uF When output voltage is 1KV 0 1uF When the output voltage is 2KV 0 06uF When the output voltage is 3KV 0 05uf When the output voltage is 4KV 0 04uf When the output voltage is 5KV 0 0l5uF When the output voltage is 6KV 7 2 Precautions If the capacitance range corresponding to the above output voltage is exceeded the auto discharge circ...

Page 20: ... message indicating that it is currently under test or parameter setting status Variable description MX Parameter group 1 15 XXX X S test time X XX KV set value of output voltage XX XX mA Leakage current upper limit set value XXXX MΩ Insulation resistance upper limit setting value XX XXA AC current value XXXmΩ ground resistance upper limit The following variables are the same as above The SET key ...

Page 21: ...uring the last test before the last shutdown and the LCD will display AC withstand voltage test DC withstand voltage test ACW SETUP XXX XS or DCW SETUP XXX XS MX X XXKV XX XXmA MX X XXKV XX XXmA Insulation resistance test Ground resistance test IR SETUP XXX XS or MX X XXKV XXXXMΩ 1 Group setting Press the or key the program will automatically display the parameters set in the previous or next grou...

Page 22: ...age setting mode of AC DC withstand voltage or insulation resistance test or the output current mode of ground resistance test AC withstand voltage test DC withstand voltage test Or Insulation resistance test Ground resistance test or or Please use the or key on the panel to input the desired output voltage or current 5 Leakage current or insulation resistance upper limit HI Limit setting After se...

Page 23: ...e test DC withstand voltage test or Insulation resistance test Ground resistance test or or Please use the or key on the panel to enter the lower limit value to be set 7 Ramp Time setting After the AC DC withstand voltage current leakage limit is set and the SET key is pressed the program will enter the ramp up time setting mode AC DC withstand voltage test Note This function is not available in t...

Page 24: ...el to enter the delay judgment time value to be set the unit is second If the test time is set to 0 the test will continue without stopping unless the test object fails or the test is stopped manually Otherwise it will not be aborted automatically The delay judgment time is set because most of the test objects are capacitive and generate a large charging current The delay judgment time allows the ...

Page 25: ... the test The maximum number of connections is 3 times If set to NO the test will stop immediately after the completion of this test and will not be connected to the next group of tests When the connection test is set to YES the program will automatically display the symbol _ after the group which means that it will connect to the next group of tests after this group of tests This is the last step...

Page 26: ...nsulation resistance test Ground resistance test or Press the Reset key to enter the test mode press the Start key to restart the test 3 Ramp test RAMP During the slow rise of the AC DC withstand voltage test the program does not make a lower limit determination the test results will be continuously updated and the display will show AC withstand voltage test DC withstand voltage test ACW RAMP XXX ...

Page 27: ... AC withstand voltage test DC withstand voltage test ACW HI Fail XXX XS or DCW HI Fail XXX XS MX X XXKV 12 mA MX X XXKV 6 mA Insulation resistance test Ground resistance test GND HI Fail XXX XS MX XX XXA 300mΩ or 6 Leakage current or insulation resistance lower limit failure LO Fail If the DUT is doing AC DC withstand voltage or insulation resistance test the leakage current or insulation resistan...

Page 28: ...rument it will be determined by the program as a test failure caused by overcurrent and the display will show AC withstand voltage test DC withstand voltage test ACW OVER XXX XS or DCW OVER XXX XS MX X XXKV 12 mA MX X XXKV 6 mA Ground resistance overcurrent failed OVER If the output current of the DUT during the ground resistance test exceeds the normal output range of the instrument it will be ju...

Page 29: ...thstand voltage correction type does not have this item and DC withstand voltage correction for each current level type without this Item insulation resistance voltage correction insulation resistance correction 9 2 AC withstand voltage correction Press the SET key the program enters the AC withstand voltage correction mode and the display will show H V and terminal under test on this instrument a...

Page 30: ...of about 1000VAC 10 00mA and the display will show Please use the or key on the panel to input the standard value of the standard ammeter into the calibration program the unit is mA Please confirm the number is correct before pressing the EXIT key to close the output and save the input data If the data is not saved press the Reset switch to turn off the output 9 4 Correction of AC withstand voltag...

Page 31: ...the Start key At this time the calibration program of this instrument will automatically output a voltage of about 4000VDC and the display will show Please use the or key on the panel to input the standard voltage into the calibration program and its unit is V Please confirm the number is correct before pressing the EXIT key to close the output and save the input data If the data is not saved pres...

Page 32: ... input the standard value of the standard ammeter into the calibration program the unit is mA Please confirm the number is correct before pressing the EXIT key to close the output and save the input data If the data is not saved press the Reset switch to turn off the output 9 8 Insulation resistance voltage correction Press the SET key the program enters the insulation resistance voltage correctio...

Page 33: ... unit is MΩ Please confirm the number is correct before pressing the EXIT key to close the output and save the input data If the data is not saved press the Reset switch to turn off the output 9 10 Insulation resistance 5MΩ correction Press the SET key the program enters the insulation resistance 5MΩ correction mode and the display will show Connect a standard resistance of about 5MΩ 0 25W to H V ...

Page 34: ... the data is not saved press the Reset switch to turn off the output 9 12 500MΩ correction of insulation resistance Press the SET key the program enters the insulation resistance 500MΩ correction mode and the display will show Connect a standard resistance of about 500MΩ 0 25W to H V and terminal under test on this instrument and then press the Start key At this time the calibration program of thi...

Page 35: ...t data If the data is not saved press the Reset switch to turn off the output 9 14 Correction of ground resistance AC current Press the SET key the program enters the ground resistance AC current correction mode and the display will show Connect a standard ammeter capable of measuring 30AAC to the test end of the instrument and then press the Start key At this time the calibration program of the i...

Page 36: ...1 Start correction voltage output 2 Reset does not save the data and turns off the output 3 EXIT saves the data and closes the output 4 After calibration the input power must be turned off and then on again otherwise the instrument cannot enter the test mode 5 The stored calibration data will be stored in the memory and it will not change or disappear unless it is changed again 6 It is recommended...

Page 37: ...is blown please replace the fuse After starting the high voltage indicator is off but there is a test voltage The high voltage indicator is broken After the test fails the alarm indicator is off The alarm indicator is broken After start up the voltage is normal but no current is output Please check whether the test leads are open the measured object is not in good contact or the measured object is...

Page 38: ...ories The instrument comes with the following items when it leaves the factory 1 Power cord x 1e 2 Test lead x 1 set 3 Instruction manual x 1 4 Warranty card x 1 5 Certificate of conformity x 1 6 Test report x 1 ...

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