HOPETECH HT9980A Page 1 User Manual Download

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PV Safety Comprehensive Tester
User’s Manual
HT9980A/HT9981A

Summary of Contents for HT9980A

Page 1: ...1 PV Safety Comprehensive Tester User s Manual HT9980A HT9981A ...

Page 2: ...se ground the instrument Avoid using instrument in the environment with explosive gas Avoid using the instrument in the environment with explosive gas vapor or dust environment Using any electronic instrument in such environment is dangerous Do not open the instrument cover Only authorized service personnel should remove the cover and have internal access to the instrument for repairing The instru...

Page 3: ...nics Any maintenance beyond the warranty period should be at user s own expense For free maintenance product Hope Electronics commits that it would be repaired and returned to customer within five working days on receipt of the equipment unless otherwise specified Hope Electronics affords the cost of the return transportation Any of the following circumstances occurred Hope Electronics will not re...

Page 4: ... 3 2 Advantages Disadvantages of DC Testing 12 2 4 Insulation resistance test 12 2 5 Ground Resistance Test 13 Chapter 3 Technical Specification 14 3 1 Product Description 14 3 2 DC Hi pot Test Parameters 14 3 3 Insulation resistance test parameters 15 3 4 Ground resistance test parameters 16 Chapter 4 Instrument Overview 20 4 1 Front Panel 20 4 1 1 Front View 20 4 1 2 Front Panel Description 20 4...

Page 5: ... System Parameter Setting 40 9 1 System parameter description 40 9 2 System Parameter Setting 40 Chapter 10 Maintenance Guide 44 10 1 Routine maintenance 44 10 2 Simple troubleshooting 44 10 3 Quality Assurance 44 ...

Page 6: ...turning on the input power switch of this tester please select the correct input voltage 110V or 220V specifications Danger indicates high voltage output do not contact Ground indicates chassis ground symbol WARNING Indicates a potentially hazardous situation that will result in death or serious injury to the operator The voltage and current generated by the tester are sufficient to cause personal...

Page 7: ...ities and a HIGH VOLTAGE TEST WORK AREA must be marked If high voltage test work 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 HIGH VOLTAGE TEST IN PROCESS DO NOT ENTER AUTHERIZED PERSONNEL ONLY 1 3 2 Input Power The tester must be well grounded and the ground wire must be connected before testing to ensure the...

Page 8: ...ake an accidental electric shock The consequences are 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 Procedure Requirements Never use the tester on a live circuit board or device During the test never touch the test object or any objects connected to the test object The gr...

Page 9: ...ys be safe and orderly in the high voltage test area Never touch the test object or any object 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 tests the discharge operation must be performed before the test wire can be removed ...

Page 10: ...t the product produced can meet the requirements of its specifications Confirmation test during quality assurance confirm that the quality of the product can meet the safety standards Post repair safety test confirm that the repaired product can maintain compliance with safety standards Different products have different technical specifications Basically in the hi pot test a voltage higher than th...

Page 11: ...nd disadvantages of DC and AC testing 2 3 1 Characteristics and advantages and disadvantages of AC withstand voltage ACW test Features Most of the DUTs that do withstand voltage tests will contain some stray capacitor AC testing may not be fully charged these stray capacitors so a continuous current will flow through them Advantages 1 Generally speaking AC testing is easier to be accepted by manuf...

Page 12: ... In the AC test the peak value of the voltage is 1 4 times that shown by the meter which is not possible for ordinary meters DC hi pot test can not shown Therefore most safety regulations require that if DC hi pot is used the test voltage value must be increased to an equal value 2 4 Insulation resistance test The insulation resistance test mainly measures the resistance between the live wire of t...

Page 13: ...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 the resistance value of the contact point needs to be less than 500 mΩ and the time is considered 60 seconds There are still some international standards that are higher than the above standards such as take 5 times the rated input...

Page 14: ...ast over current cutting speed It is the ideal hi pot insulation testing equipment 3 2 DC Hi pot Test Parameters Model HT9980A HT9981A Voltage output Voltage output range 0 010kV to 6 000kV 0 010kV to 9 999kV Voltage output accuracy 士 3 set value 5V 士 3 set value 5V Voltage output resolution 0 001KV 0 001KV Output maximum rated power 36VA 6000V 6mA 20VA 10000V 2mA Output voltage stability 士 1 set ...

Page 15: ...tput range 0 500kV to 3 000kV Voltage output resolution 0 001kV Voltage output accuracy 士 3 set value 0 005kV Maximum rated power 6VA 3000V6mA Maximum current 6mA Voltage display IR Range 0 500kV to 3 000kV Display resolution 0 001kV Measurement accuracy 士 3 set value 5V Resistance display IR Measurement range 100KΩ to 99GΩ Display mode 100 KΩ 999KΩ 1 00MΩ 9 99MΩ 10 0MΩ 99 9MΩ 100MΩ 999MΩ 1 00GΩ 9...

Page 16: ... 2 set value 5 count Output current resolution 0 01A Output maximum rated power 360VA 6V60A Maximum output voltage 6V Output voltage ripple Full load 300mVp p Current stability 1 0 Current display Display range 10A 60A Display resolution 0 01A Measurement accuracy 士 2 3 count Resistance display Display range 0 00uΩ 600 00mΩ Display resolution 0 01mΩ 600 00mΩ 100 00mΩ 0 001mΩ 99 999mΩ 10 000mΩ 0 1u...

Page 17: ... Setting range 0 600 00mΩ 10 00A 20 00A 0 300 00mΩ 20 01A 30 00A 0 200 00mΩ 30 01A 40 00A 0 150 00mΩ 40 01A 50 00A 0 120 00mΩ 50 01A 60 00A Display resolution 0 01mΩ 600 00mΩ 100 00mΩ 0 001mΩ 99 999mΩ 10 000mΩ 0 1uΩ 9 9999mΩ 1 0000mΩ 0 01uΩ 999 99uΩ 0 00uΩ Measurement accuracy 士 2 set value 3 count Measurement accuracy Measurement accuracy 0 5s 999 9s 0 0s is Continuous testing Time resolution 0 1...

Page 18: ...play range 10A 80A Display resolution 0 01A Measurement accuracy 士 2 set value 3 count Resistance display Display range 0 00uΩ 600 00mΩ Display resolution 0 01mΩ 600 00mΩ 100 00mΩ 0 001mΩ 99 999mΩ 10 000mΩ 0 1uΩ 9 9999mΩ 1 0000mΩ Measurement accuracy 士 2 set value 3 count Resistance upper limit setting Setting range 0 600 00mΩ 10 00A 20 00A 0 300 00mΩ 20 01A 30 00A 0 200 00mΩ 30 01A 40 00A 0 150 0...

Page 19: ...0 00mΩ 20 01A 30 00A 0 200 00mΩ 30 01A 40 00A 0 150 00mΩ 40 01A 50 00A 0 120 00mΩ 50 01A 60 00A 0 80 0 mΩ 60 01A 70 00A 0 70 0 mΩ 70 01A 80 00A Display resolution 0 01mΩ 600 00mΩ 100 00mΩ 0 001mΩ 99 999mΩ 10 000mΩ 0 1uΩ 9 9999mΩ 1 0000mΩ 0 01uΩ 999 99uΩ 0 00uΩ Measurement accuracy 士 2 set value 3 count Test time Test time 0 5s 999 9s 0 0S is continuous test Time resolution 0 1s Time accuracy 0 1 s...

Page 20: ...nd resistance test terminal Drive current output positive end Sense voltage sampling positive end Sense voltage sampling negative end HV Input withstand current return terminal Drive Negative terminal of current output 5 Hi pot test terminal OUTPUT OUTPUT high voltage output INPUT current return 6 Function key area 7 USB socket 8 indicator position PASS Pass indicator FAIL Failed indicator ...

Page 21: ... description 1 grounded heat sink 2 Air outlet 3 Hi pot heat sink 4 Input power socket Standard input power socket provides working power for the instrument 5 power switch 6 remote control terminal 7 Serial communication D type terminal It is a standard 9 pin D type terminal block that provides RS232 or RS485 communication ...

Page 22: ...22 4 3 Instrument Size The instrument dimensions are as follows Figure 4 3 Dimensions of the chassis ...

Page 23: ... same time In the end 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 object to be tested then connect the loop line to the measured end of the instrument and...

Page 24: ...ss 6 After the test is completed the instrument will automatically turn off the output If the test is qualified the PASS green indicator light will be on and a beep beep sound will be emitted indicating that object under test passed the test and the test comparison result is qualified The LCD display will show PASS and the test result data If the test is unqualified the FAIL red indicator light wi...

Page 25: ... To continue the test press the Start switch again For the display information of various LCD displays please refer to the description of Display Information 9 If you want to operate the tester with an external remote control connect the remote control to the remote input terminal on the rear panel The functions of the TEST and RESET on the remote control are completely same to the start and reset...

Page 26: ... positive and negative polarity restrictions and each signal is independently wired and has no common ground The terminal block is labeled with a pin number The wiring of the output signal is as follows TEST signal The output signal is connected between PIN4 and PIN5 PASS signal The output signal is connected between PlN6 and PIN7 FAIL signal The output signal is connected between PlN8 and PIN9 6 ...

Page 27: ...as follows Maximum discharge capacitance 0 2uF When the 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 in...

Page 28: ...r the parameters set during the last test before the last shutdown and the LCD display will show 8 1 DC hi pot test interface 8 2 Insulation Resistance Test Interface 8 3 Ground Resistance Test interface Prompt description M01 current test group number M01 the current test group number and continuous test function are ...

Page 29: ...the parameter setting is turned to the next setting item After pressing the Esc key the set test parameters will be automatically stored in the memory the test parameters stored in the memory will be retained without being cleared after the input power is turned off unless they are manually reset This tester has a total of 2 setting items which can be displayed cyclically with the Set button The t...

Page 30: ... X in the following parameter setting instructions represents any number between 0 9 Note After the value is set when the SET or EXIT key is pressed and the buzzer sounds short you must check whether the input value is within the setting range 8 2 Measurement Parameter Setting Press Set in the interface to be tested to enter the measurement parameter setting page as shown below 8 6 Measurement Par...

Page 31: ...set value 3 Test current comparator upper limit setting DC hi pot test Use the or key on the measurement parameter setting interface to select the judge value upper limit setting content as shown in the figure below 8 9 Hi pot test Judge value upper limit setting interface In this interface press the Input key the first digit of the voltage value will appear in reverse and use the numeric keys to ...

Page 32: ...ally determine that it is not in the range and will automatically restore the setting value to the previous setting value 5 Hi pot test rise time setting DC Hi pot test Use the or key on the measurement parameter setting interface to select the rise time setting content as shown in the figure below 8 11 Hi pot test Rise time setting interface In this interface press the Input key the first digit o...

Page 33: ...g press the Esc key to exit the current setting 7 Fall time setting DC hi pot test Use the or key on the measurement parameter setting interface to select the fall time setting content as shown in the figure below 8 13 Hi pot test fall time setting interface In this interface press the Input key The first digit of the voltage value will be displayed in reverse Use the numeric keys to set the requi...

Page 34: ...t Use the or key on the measurement parameter setting interface to select the continuous test setting content as shown in the figure below 8 15 Hi pot test Connect setting interface Connect setting options NO Disable the continuous test function of this group YES PASS Enable the continuous test function of this group and connect to the next group of tests when the test passes YES ALL Enable the co...

Page 35: ...ange the instrument will automatically determine that it is not in the range and will automatically restore the set value to the previous set value 11 Set lower limit of test resistance comparator insulation resistance test In the insulation resistance test mode use the or key to select the setting content of lower limit of judgment value in the measurement parameter setting interface as shown bel...

Page 36: ...ange by default 300kΩ measurement from 300kΩ range 3MΩ measurement from 3MΩ range 30MΩ measurement from 30MΩ range 300MΩ measurement from 300MΩ range 100GΩ measurement from 100GΩ range Note When the range setting is not AUTO the range is also automatic But the measurement starts from the selected range by default 13 Resistance comparator upper limit enable setting insulation resistance test In the...

Page 37: ...he current setting The insulation resistance wait time is between the start of the test and the wait time until the comparator function is turned off Note If the set time setting value is not in the range the instrument will automatically determine that it is not in the range and will automatically restore the setting value to the previous setting value 15 Test current setting ground resistance te...

Page 38: ... setting 17 Judgment value lower limit setting ground resistance test In the ground resistance test mode use the or key to select the setting content of lower limit of judgment value in the measurement parameter setting interface as shown below 8 23 Grounding resistance judgment lower limit setting interface In this interface press the Input key and use the numeric keys to set the lower limit of t...

Page 39: ...39 8 24 Ground Resistance Open Circuit Alarm Setting Interface In this interface function keys to set the desired parameters ...

Page 40: ...Parameter Setting 1 Communication port selection Press the or key to select the content to be set as shown below 9 2 Communication Mode Setting Interface In this interface use the function keys to select the required communication port Communication mode setting options RS232 Open RS232 communication port RS485 Open RS485 communication port 2 Instrument communication baud rate setting Press the or...

Page 41: ...ate is 38400 57600 the communication baud rate is 57600 115200 communication baud rate is 115200 3 Key sound setting Press the or key to select the content to be set as shown below 9 4 Key Tone Setting Interface In this interface use the function keys to select the required option Key Tone setting options OFF turn off the button sound NO turn on the button sound 4 Language setting Press the or key...

Page 42: ...t the content to be set as shown below 9 6 No Test without code setting interface In this interface use the function keys to select the required option No code no test setting options ON need a computer to receive the bar code the instrument will start the test OFF does not require bar code start the test instrument 6 Waiting time for code setting Press the or key to select the content to be set a...

Page 43: ...he selection is complete press Enter to confirm To cancel the setting press the Esc key to exit the current setting Waiting time for code is the time required to wait for the code to be scanned when no test without code is measured and set to ON After this time the instrument will give a disqualified signal ...

Page 44: ... is blown If it is blown replace the fuse After starting the high voltage indicator is off but there is test voltage The high voltage indicator is broken The alarm indicator is off after the test fails Alarm indicator is broken After starting the voltage is normal but no current output Please check whether the test lead is open the measured object is not in good contact or the measured object is o...

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