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HZZGF

DC Hipot Tester

USER MANUAL

Huazheng Electric Manufacturing (Baoding) Co., Ltd

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Summary of Contents for HZZGF Series

Page 1: ...HZZGF DC Hipot Tester USER MANUAL Huazheng Electric Manufacturing Baoding Co Ltd...

Page 2: ...local regulations on power safety when using this instrument Two obvious disconnection points should be set before the working power enters the tester When replacing the test product and wiring the po...

Page 3: ...area beyond the safe distance due to the influence of high voltage dc electric field spatial distribution it will make several adjacent standing human bodies with different DC electric potential Do no...

Page 4: ...ntents I Product Introduction 1 II Working Principle Diagram 2 III Instructions 4 IV Instructions For DC High Voltage Optical Fiber Microammeter 12 V Fault Inspection and Treatment 15 VI Packing List...

Page 5: ...e automatic reducing voltage after the time completion 5 Over voltage setting is analyzed by microprocessor high precision good reliability 6 Kept the manual test mode 7 Data storage function it can i...

Page 6: ...2 II Working Principle Diagram FIG 1 1 Working principle diagram...

Page 7: ...charging current mA 30 30 15 15 3 4 5 7 5 Voltage measurement error 1 full 2 words Current measurement error 1 full 2 words Over voltage setting error 1 0 75 Switching error 1 Ripple coefficient At Io...

Page 8: ...3 Power switch control the power supply on off 4 High voltage off power indicator green with indicator button When the light is on it indicates that the high voltage is off state the power has been c...

Page 9: ...or intermediate frequency connection between control box and voltage boosting unit 11 High voltage measurement used for connecting the control box to the HV boosting unit The high voltage is input to...

Page 10: ...See figure 4 1 Grading ring 2 Upper booster 3 Lower booster 4 IF connection 5 Measurement connection 6 Ground terminal 7 Cross roller support bracket 4 Menu Function Description P 4 4 1 Main Menu P 4...

Page 11: ...to the P 4 4 2 Clock setting adjust the display time of the system note press and hold the knob to exit the setting Select micro ammeter built in displays total high voltage current including partial...

Page 12: ...st mode this value is generally set to 1000uA and the system is shielded from other Settings when displaying the sample current take it as the reference value Test time setting refer to P 4 4 5 in the...

Page 13: ...cally reduce the voltage to 0 75 times of the current voltage and then countdown to the set pressurization time After the timing is completed the system will automatically reduce the voltage to zero a...

Page 14: ...ng rod The removal and replacement of the high voltage lead are allowed only after the grounding cable is hung up after full discharging For the long cable and other super large capacity energy storag...

Page 15: ...be connected to the shield of the high voltage lead after tightly winding several times at the high potential end of the sample see figure 4 6b Fig 4 6b wiring diagram of surface effect of C excluded...

Page 16: ...ge over voltage discharge and other phenomena will lead to protection action All the protection information will be displayed on the LCD screen At this time the following steps should be followed 1 Tu...

Page 17: ...ns For Use 1 It is recommended to adopt good insulation such as nylon tube ABS tube etc of the same height as HZZGF DC high voltage tester to support the high voltage microammeter 2 HZZGF DC high volt...

Page 18: ...After the DC high voltage test of the test product is completed discharge the discharge at the housing of the microammeter with the special discharge rod of HZZGF dc high voltage test Note special ele...

Page 19: ...voltage overvoltage protection The test voltage is set too low Return to the Settings menu to increase the setting voltage setting 4 LCD display high voltage overcurrent protection 1 Discharge or brea...

Page 20: ...imiting resistor 1 pc 4 Discharging rod with ground lead 1 pc 5 High voltage testing cable 1 pc 6 Intermediate frequency cable 1 set 7 Ground lead 1 set 8 Power cable 1 pc 9 Fuses several 10 Support r...

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