Jinko JK7123 User manual

Program Controlled Withstand Voltage Insulation Ground Tester
OPERATION MANCAL
USER MANUAL
JK7123
Program Controlled
Withstand Voltage Insulation Ground Tester
V
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: [phone] FAX: [phone]
https://jinailian.en.alibaba.com www.jk17.com www.jaldz.com

Program Controlled Withstand Voltage Insulation Ground Tester
1
Chapter I Safety Rules
The contents of this manual are subject to change without notice.
If the manual is not exhaustive, please contact us directly.
Rules and matters that should be noticed before high voltage test! !! !!
1.1 General provisions
Before using this tester, please read the instructions carefully to understand the operating
procedures and related safety signs to ensure safety.
Before turning on the input power switch of this unit, please select the correct input voltage
(110V or 220V) specifications.
Danger sign indicates high voltage output, please avoid contact.
Chassis ground symbol
WARNING Be aware that the operations, applications, or conditions
you perform are very dangerous and could result in injury or death.
The 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 be replaced without permission. If an abnormality occurs to
the instrument, please seek the help of the company's designated distributor.
1.2.2 Regular maintenance
This series of testers, input power cords, test leads and related accessories must be carefully
inspected and calibrated at least once a year to ensure the safety of the operator and the accuracy
of the instrument.
1.2.3 User modification
The user must not modify the wiring or parts of the instrument by himself, otherwise the
company's warranty will be invalidated and he will not be held responsible for the consequences.
WARNING

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1.3 Test environment
1.3.1 Working position
When operating the instrument, make sure that the instrument is placed in a place where
ordinary personnel cannot touch it at will. If this is not possible due to production line
arrangements, the test area must be isolated from other facilities and a "high-voltage test work
area" must be marked. If the high-voltage test area is very close to other work areas, special
attention must be paid to safety. During the high voltage test, it must be marked "Danger! During
high voltage test, non-workers should not approach."
1.3.2 Input Power
The tester must be well grounded, and the ground wire must be connected before testing to
ensure the safety of the operator. The test area power supply must have a separate switch
installed at the entrance to the test area to ensure that everyone can identify it. In the event of an
emergency, the power can be turned off immediately.
1.3.3 Workplace
Use a workbench with non-conductive material where possible. Do not use any metal between
the operator and the test object. 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 immediately
separate the test object, test object and test object.
The test area and the surrounding air must not contain flammable gases, and the tester should not
be used near flammable materials.
1.4 Operator regulations
1.4.1 Qualification of personnel
The voltage and current output by the tester are sufficient to cause personal injury or fatality
during electric shock due to incorrect operation, and must be used and operated by qualified
personnel.
1.4.2 Safety Code
Operators must be educated and trained at all times to understand the importance of various
operating rules and operate the tester in accordance with safety rules.
1.4.3 Clothing regulations
Operators are not allowed to wear clothes with metal decoration or metal bracelets and watches,
as these metal accessories are likely to cause accidental electric shock. The consequences are

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even more severe when you get an electric shock.
1.4.4 Medical regulations
The tester must not be operated by a person with a heart attack or with a pacemaker.
1.5 Test safety procedures
Never use the tester on a live circuit board or device! !!
The ground wire of the tester must be connected in accordance with regulations. When
connecting the test line, you must first connect the terminal under test on the tester to the object
to be tested. The high-voltage test lead can only be plugged into the high-voltage output before
testing. When holding the high-voltage test lead, it must be held in an insulated part, and must
not be held on a conductive body. The 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 stay away from the high-voltage test
area.
·Always maintain a safe and orderly condition in the high-voltage test area.
·Do not touch the test object or any objects connected to the test object during the high voltage
test.
·In case of any problems, turn off the high voltage output and input power immediately.
·After the DC withstand voltage and insulation resistance test, the discharge operation must be
performed before the work of removing the test lead.
WARNING

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Chapter II Introduction to Safety Regulations
1.1 The importance of testing
In today's high consumer awareness, every manufacturer of electrical and electronic products
must do its best to make the product safe. Each product must be designed to the best of its ability
to prevent the user from being exposed to electric shock. Even if the user makes an error, it
should not be shocked. In order to meet generally accepted safety requirements, safety testing
must be performed. At present, safety enforcement units, such as UL, CSA, IEC, BSI, VDE,
TUV, and JSI, require manufacturers to use "withstand voltage insulation testers" for safety
testing when designing and producing electronic or electrical products.
2.2 Withstand voltage test
If a product can work normally in a very harsh environment, it can be determined that it can also
work normally in a normal environment. The most common use cases for withstand voltage tests
are:
·Functional testing at design time—determine the conditions under which the product designed
can meet its functional requirements.
·Specification test during production —confirm that the produced product can meet the
requirements of its specifications.
·Confirmation test during quality assurance—confirm 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. If a component stays within a specified range for a
specified period of time, it can be determined that the component works under normal conditions
and should be very safe. And good design and selection of good insulation materials can ensure
that users are protected from electric shock.
The withstand voltage test performed by this instrument is generally called "high-voltage
dielectric test", referred to as "withstand voltage test" for short. The basic requirement is 2 ×
the working voltage of the object to be tested + 1000V, as the test voltage standard. The test
voltage of some products may be higher than 2 ×working voltage + 1000V. For example, the
operating voltage range of some products is from 100V to 240V, and the test voltage of such
products may be between 1000V and 4000V or higher. In general, products with a "double
insulation" design may use a test voltage that is higher than the 2 ×working voltage + 1000V
standard.
The withstand voltage test is more precise in the product design and sample production than in

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the formal production test, because the product's safety is determined at the design and test stage.
Although only a few samples are used for product design judgment, online testing during
production should strictly require that all products must pass safety standards to confirm that no
defective products will flow out of the production line.
The output voltage of the withstand voltage tester must be maintained in the range of 100% to
120% of the specified voltage. The output frequency of the AC withstand voltage tester must be
maintained between 40 and 70 Hz, and its peak value must not be less than 1.3 times the root
mean square (RMS) voltage value, and its peak value must not be higher than the root mean
square (RMS) voltage. 1.5 times the value.
2.3 Advantages and disadvantages of alternating current (AC) and direct current (DC) test
Please confirm with the safety agency designated by the product under test what voltage the
product should use. Some products can accept both DC and AC test options, but there are still
multiple products that only accept either DC or AC. test. If safety regulations allow simultaneous
DC or AC testing, manufacturers can decide for themselves which tests are more suitable for
their products. To achieve this, users must understand the 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 be accepted by the safety unit than DC test. The main
reason is that most products use AC power, and the AC test can test the positive and negative
polarity of the product at the same time, which is completely consistent with the environment in
which the product is used, which is in line with actual use conditions.
2. Because the stray capacitors cannot be filled during the AC test, but there will be no instant
surge current, so the test voltage does not need to rise slowly. You can add the full voltage at the
beginning of the test, unless the product sensitive.
3. Since the AC test cannot fill those stray capacitors, it is not necessary to discharge the test
object after the test, which is another advantage.
2.3.1.2 Disadvantages of AC Testing
1. The main disadvantage is that if the stray capacitance of the DUT is large or the DUT is a
capacitive load, the current generated will be much larger than the actual leakage current, so the
actual leakage current cannot be known.
2. Another disadvantage is that because the current required by the stray capacitance of the DUT

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must be supplied, the current required by the instrument will be much larger than the current
used in the DC test. This will increase the danger to the operator.
2.3.2 Characteristics of Direct Current (DC) Test
During the DC withstand voltage test, the stray capacitance on the DUT is filled. The capacitive
current caused by the DC withstand voltage test will drop to zero after the stray capacitance is
filled.
2.3.2.1 Advantages of Direct Current (DC) Testing
1. Once the stray capacitance on the DUT is full, only the actual leakage current of the DUT will
remain. The DC withstand voltage test can clearly show the actual leakage current of the DUT.
2. Another advantage is that only the charging current of the DUT needs to be supplied in a short
time, and the current required at other times is very small, so the current capacity of the
instrument is much lower than the current capacity required during the AC withstand voltage
test. .
2.3.2.2 Disadvantages of Direct Current (DC) Testing
1. Unless there is no electric capacity on the DUT, the test voltage must start from "zero" and
rise slowly to avoid excessive charging current. The larger the electric capacity, the longer the
ramp-up time, the longer it can increase The lower the voltage. When the charging current is too
large, 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
most safety agencies recommend the use of AC withstand voltage tests.
In the AC test, the peak value of the voltage is 1.4 times that displayed by the meter, which is not
displayed by ordinary meters, and cannot be reached by DC withstand voltage. Therefore, most
safety regulations require that if a DC withstand voltage test is used, the test voltage must be
increased to an equivalent value.
2.4 Insulation resistance test
The insulation resistance test mainly measures the resistance between the live wire of the
appliance and the case. The measurement method is based on the principle of Ohm's law, adding
a voltage between the live wire and the case, and then measuring the voltage and current values,
and then calculating the resistance value according to Ohm's law. Usually, a larger constant
voltage (500V or 1000V DC) is applied and maintained for a specified period of time as the test
standard. If the resistance is kept within the specified specifications within the specified time, it
can be determined that the appliance is operating under normal conditions, and the appliance

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should be safer.
The higher the insulation resistance value, the better the insulation of the product. The insulation
resistance value measured by the insulation resistance test is the equivalent resistance value
formed by various related networks connected between the two test points and their
surroundings.
However, the insulation test cannot detect the following conditions:
The insulation strength of the insulating material is too weak;
Pinholes on the insulator;
Insufficient distance between parts;
The insulator is crushed and cracked;
Each of these conditions can only be detected by a withstand voltage test.
2.5 AC ground resistance test
The ground resistance test mainly measures the resistance of the contact point between the
ground wire of the appliance and the cabinet. The measurement method is based on the principle
of Ohm's law, a current flows on the contact point, and then the current and the voltage value of
the contact point are measured separately, and then the resistance value is calculated according
to Ohm's law. Usually a large current flows, which simulates the abnormal current conditions
that occur when the appliance is abnormal, as a test standard. If the contact resistance of the
ground wire on the appliance can pass the test of this harsh environment, the appliance should be
safer 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 normal
conditions, and the appliance should be relatively safe. Appropriate design and proper
construction can protect users from the threat of accidental electric shock.
Although contact resistance can be measured with a general resistance meter, the current output
by the resistance meter is usually very small, does not meet the requirements of safety
regulations, and cannot be recognized by safety inspection agencies. It must be measured with a
special ground resistance tester. For the devices that the general user will often touch, except for
the CSA specification, which requires 30 amps, most security inspection agencies require 25
amps. At the same time, the current must last 60 seconds, and the resistance must be maintained
below 100 mΩ. The specifications of appliances that are not easily touched by the user are
generally relatively loose, generally requiring a current of 10 amps, and the resistance value of
the contact point needs to be less than 500 mΩ, but the time is still 60 seconds. There are still
some international standards that are higher than the above standards, and the test value is 5

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times the rated input current of the appliance, and the resistance value of the contact point is still
100mΩ, and the test time is 60 seconds. Most of these are electrical appliances, which are
dangerous, so the requirements for specifications are higher than general appliances.
In the current safety regulations in the world, some specifically require that the contact
resistance of the ground wire be measured first. The resistance of the contact must meet the
requirements before the insulation withstand voltage test can be performed. This is mainly to
prevent misconception that the insulation or voltage resistance is good because the ground wire
is not connected properly.
The ground resistance tester has two types of output: AC and DC. Both types can accurately
measure the resistance value of the contact point, but the two types have significantly different
destructive properties for bad contact 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 the AC peak moment at the contact
point is twice the DC value when calculated according to the power theorem (power = current
squared X resistance).
Although the current security inspection agency allows two types of ground testers to be used,
AC ground resistance testers are particularly recommended in the selection of ground resistance
tester specifications. Secondly, most of the general appliances use mains power as the power
supply, and mains power is AC power, so the AC ground resistance tester is used as the test
standard, which fully meets the actual conditions of use.
If you have questions about the use of the instrument or problems related to the instrument,
please feel free to contact us.

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Chapter III Technical Specifications
3.1 Product Introduction
Programmable withstand voltage insulation grounding tester is a testing instrument for testing
the safety parameters of electronic products. Can be used for household appliances, electronic
instruments, electronic equipment, electronic components, wire and cable and other electrical
products withstand voltage and insulation testing.
This series of products have pass / fail judgment function, sound and light alarm function and
automatic test time control function, etc., simple operation, beautiful appearance, fast
over-current cutting speed and other advantages. Is the ideal withstand voltage insulation testing
equipment.
3.2 Technical indicators
Function
Function Description
Input characteristics
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 characters)
DC withstand voltage test
Rated output:6KV DC
Leakage current
High limit setting
Range:0.01-10.00mA Resolution:0.01mA
Accuracy：士(2% set value+2 characters)
Leakage current
Low limit setting
Range:0.00-10.00mA Resolution:0.01mA
Accuracy 士(2% set value +2 characters)
Voltage setting
Range:0-5000V AC 0-6000V DC Resolution:1V
Accuracy：士(2% set value +5V)
Voltage stability
士(1% set value+5V)
Ramp time
Range:0.1-999.9S
Resolution:0.1S
Accuracy:±(0.1% set value+0.05 S)
Test time
Range:0.5-999.9S，0is continuous test
Resolution:0.1S
Accuracy：±(0.1% set value+0.05 S)

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Voltage display
Range:0-5.00KV AC 0-6.00KV DC
Resolution: 0.01KV
Accuracy：士(3% set value+3 character)
Current display
Range:0.01-20.00mA AC 0.01-10.00mA DC
Resolution:0.01mA
Accuracy 士(2% set value+3 characters)
Insulation resistance test
Rated output:1000V DC
Voltage setting Range
Range:500 - 1000V DC Resolution:1V
Accuracy:±(2% set value+5V)
Voltage display
Range:0.50KV – 1.00KV DC
Resolution: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 current display
3.0~30.0A, ±(3%display value+3 characters)
Ground resistance
Upper limit setting
1 ~ 300 mΩ（3 ~ 10A）
1 ~ 120 mΩ（11 ~ 30A）
Resistance display
0 ~ 300mΩ
Test time
0.5 ~ 999.9 S, 0 is continuous

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Chapter IV Panel Description
4.1 Front panel structure
4.1.1 Schematic diagram of the front panel
4.1.2 Front panel description
1. Start switch
The green momentary contact switch contains a PASS indicator. Its functions are:
As a start switch for test voltage output;
When the DUT passes the test, this green indicator light will be on.
2. Reset switch
The red momentary contact switch contains a FAIL indicator. Its functions are:
In the setting mode, as a switch to leave the setting mode;
When the test is in progress, it can be used as a switch to 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;
In the calibration mode, it is used as the function key to select the calibration parameter item;
As a function key for viewing test results when connected to a test.
5. + Key
In the state to be tested, the function key selected as the parameter group;
During parameter setting, it is used as the function key for inputting various test parameter data;

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Function key input as standard value in calibration mode.
6. -key
In the state to be tested, the function key selected as the parameter group;
During parameter setting, it is used as the function key for inputting various test parameter data;
Function key input as standard value in calibration mode.
7. EXIT key
In the setting mode, as a function key to leave the setting mode and save the setting value;
In the calibration mode, it is used as a function key to close the output and save the standard
value.
8. Measured terminal
As the loop test end of the DUT, test the 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 instrument starts to output voltage, the indicator light in the high-voltage sign will
flash, indicating that "high-voltage output is dangerous."
12. Ground resistance detection high-end
Combine with 8 to detect ground resistance.
13/14. Ground resistance current output
Output 3-30A AC current
4.2 JK7123 rear panel structure
4.2.1 Schematic diagram of JK7123 rear panel

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4.2.2 Description of the rear panel
1 ~ 5 output interface (spare) same as before
6. Remote control signal terminal (PLC) interface
It is a standard 9PIN D-type terminal block. Provide normally open (N.O.) contacts for remote
monitoring signals of PASS (test passed), FAIL (test failed) and control contacts for TEST (reset)
and RESET (reset).
7.RS232 interface
It is used to connect to a computer and use the supporting software to set parameters and 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 ground terminal of the machine body must be properly connected to ensure the safety of the
operator.
11. Instrument vent
Used to dissipate heat inside the instrument.
12. Nameplate
Display the factory date, instrument number and company name

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IR SETUP XXX.XS
MX X.XXKV XXXXMΩ
GND SETUP XXX.XS
MX XX.XXA XXXmΩ
Chapter V Operating Procedures and Steps
5.1 Operation Instructions
This series of withstand voltage tester is mainly used for general production line or quality
inspection, its operation and setting are very simple. Irrational settings and operations will not
respond.
5.2 Operation steps
Follow this procedure and steps to operate the instrument:
1. Before connecting the input power cord plug of this instrument to the mains power supply,
please turn off the input “power switch”of this instrument.
And switch the "voltage selection" switch on the rear panel to the correct input voltage position,
and check whether the specifications of the fuse are correct. Then connect the ground wire to the
"ground terminal" on the rear panel of the instrument.
2. Connect the input power cord to the power socket of the instrument. Do not connect the
high-voltage test lead to the high-voltage output terminal of the instrument 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 the group and test parameter information of the last test of
the instrument, and enter the test and parameter setting mode. At this time, the display will show:
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
If you want to reset the test parameters, press the "SET" key to set the parameters. For detailed
setting methods and steps, please refer to the description of "test parameter settings".
5．Press the "Start" switch again to output high voltage. At this time, the high voltage indicator
next to the red " " symbol on the panel will flash, and the timer will start to count at the
same time. Do not touch the object under test while the test is in progress.

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6. After the test is completed, the instrument will automatically turn off the output, the green
indicator light on the start switch will light up, and a "beep, beep" sound will be emitted at the
same time, indicating that the test object passes the test, and the display will show "PASS" and
test result data. To continue the test, press the Start switch again. To view the original setting,
press the "Reset" switch, and the program will immediately clear the test result and display the
original setting.
7. If you want to stop the test during the testing, please press the "Reset" switch, the
instrument will stop the test immediately, and the display will retain the current test
value. To continue the test, press the Start switch and the program will restart the test
from its original starting point.
8. If the test of the DUT fails, the instrument will immediately stop the test and the
display will show its status and the value at the time of the 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 operate the tester, connect the
remote control to the remote input terminal on the rear panel. The functions and
functions of the TEST and RESET switches on the remote control are exactly the
same as the start and reset switches on the front panel of the instrument. Since the
start and reset switch of the instrument and the TEST and RESET switches of the
remote control can be operated at the same time, the remote control must be properly
stored, and non-operators should not have the opportunity to touch the remote
control to avoid accidents.
10．This tester has the output of PASS (test passed) and FAIL (test failed) signals.
These signals can be connected to the control center to monitor and remotely
monitor the signals of the instrument.

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Chapter VI Remote Input and Output Signals
6.1 Input and output signals
On the back panel of the tester, there are remote monitoring and remote control terminal blocks.
It can connect the working state of the instrument to the monitoring center for monitoring, and
can be connected to the remote control for operation. This terminal is a standard 9PIN D-type
terminal block, which contains two monitoring signal outputs such as PASS (test passed) and
FAIL (test failure) and two remote 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 ground. The terminal block is marked with a pin number, and the
wiring of the output signal is as follows:
PASS signal: The output signal is connected between PlN7 and PIN8.
FAIL signal: The output signal is connected between PlN1 and PIN6.
6.3 Remote control input signal wiring instructions

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This tester is equipped with a remote control contact, and the TEST and RESET functions of the
instrument can be operated by an external remote control device. A "momentary contact" switch
must be used as 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 PIN9

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Chapter VII Automatic Discharge Circuit
7.1 Discharge Principle
After the test, especially the DC withstand voltage test, a large amount of electrical energy will
remain on the test object and the circuit, and the test line must be removed before the work of
removing the test line. After the tester completes the test, the program automatically drives the
discharge circuit. Within 0.2 seconds, all the electrical energy remaining on the test object and
the circuit is completely discharged. The total capacitance that the discharge circuit 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 circuit will be injured and cause a malfunction. Please pay special attention not to
exceed the allowable capacitance of discharge.
Please note that if the input power is turned off in the middle, the automatic discharge circuit
will not work, and the DUT will not be discharged. Avoid turning off the input power while the
test is in progress.

19
GND SETUP XXX.XS
MX XX.XXA XXXmΩ
Chapter VIII Test Parameter Setting and Display
8.1 Test parameter description
After power-on, the program will automatically enter the parameters set during 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
or IR SETUP XXX.XS
MX X.XXKV XXXXMΩ
Prompt description:
ACW: stands for AC withstand voltage test
DCW: stands for DC withstand voltage test
IR: Insulation resistance test
GND: ground resistance test
SETUP: Prompt 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 is a parameter item setting key. When in the test and parameter setting mode,
each time the “SET”key is pressed, the parameter setting is turned to the next setting item.
After pressing the "EXIT" key, the set test parameters are automatically stored in the memory;
pressing the "Reset" switch makes the setting invalid. The test parameters stored in the memory
will be retained without being cleared after the input power is turned off, unless they are