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ZXHL-100P

Contact Resistance Tester

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Summary of Contents for ZXHL-100P

Page 1: ...ZXHL 100P Contact Resistance Tester ...

Page 2: ...e Description With 5 3 The correct wiring 5 4 Power 6 5 The main interface 6 6 Test menu interface 6 7 Test Results 7 8 Save the test results 8 9 records check 9 10 Time set 12 11 Communication Interface 12 Ⅷ Precautions 13 Ⅸ Packing List 13 Ⅹ Symptom and exclusion 14 Appendix I Contact loop resistance Basics 15 Appendix II conductive contact breaker circuit resistance standard reference value 15 ...

Page 3: ...s with high accuracy stable performance able to meet the power industry high voltage switchgear maintenance and high voltage switch factory contact resistance test requirements Ⅱ Product Usage Is suitable for high voltage switch contact loop resistance measurement it also applies to occasion when need large current micro resistance measurements Ⅲ Features 1 Use latest power supply technology the t...

Page 4: ... by RS232 or USB for further analysis and processing 9 Easy to use small volume and little weight Ⅳ Technical Specifications 1 Measuring range 0 2999 9μΩ 2 Resolution power 0 99 99 0 01μΩ 100 0 2999 9 0 1μΩ 3 Test current DC50A 100A fourth gears fixed output 4 Measurement accuracy 0 2 rd 2d 5 Continuous working time 5s 599s 6 Display large screen LCD 7 The communication way RS232 serial port USB f...

Page 5: ...ing input I Ⅵ working principle The instrument uses the current voltage testing theory also known as four wire method testing technology schematic block diagram shown in Figure 2 Figure 2 Test Schematic Power source output constant current which flows through standard resistor R0 and Rx to be Current source Signal amplification Signal amplification AD CPU LCD display Printer Mouse Communicatio Mem...

Page 6: ...reen English interface with graphics clear beautiful It is easy to operate 2 Rotating mouse Rotate the mouse has functions like a mouse used on computers it has three modes of operation Left Right click to select These three operations by the mouse can realize cursor moving the selected data entry and operations functions Move the cursor by rotating the mouse left or right to move the cursor move ...

Page 7: ...r switch the instrument into the boot state When turned on the buzzer ring for a short time indicating the system is powered on 5 The main interface Turn the power switch the system enters the main interface shown in Figure 4 Figure 4 Main interface Move the cursor to start test records check Time Settings Online Communication for switching Bottom of the main screen displays the current time 6 Tes...

Page 8: ...e system returns to the previous screen 7 Test Results Click on the Test Menu then test to enter into the Test Results screen as shown in Figure 6 Sequentially displayed is resistance value test current value and test time on screen Note At this point the current line there are large current flows the current line must not be forcibly pulled out otherwise it may cause harm to the operator and the ...

Page 9: ...e system will print all the information including sample number test time test current resistance value the test date Click on the return key the system returns to the previous screen If the measured value exceeds the measuring range the LCD screen displays out of range and shown in Figure 8 also the buzzer will alarm At this time the current continue to output until the end of counting Figure 8 T...

Page 10: ...urns to the previous screen Figure 10 Preservation The instrument can store up to 200 records if memory records more than 200 the system prompts memory is full please delete shown in Figure 11 To complete the single or delete all records in the record query interface Figure 11 Memory full Delete 9 records check In the main screen click record the system enters the Record inquiry interface shown in...

Page 11: ...ure 13 Records check on the selected record click the mouse to enter operation interface shown in Figure 14 Figure 14 Records check There are functions like delete for deleting this record clear for call records cleared back to return Click on Query then the system displays detailed information on this record as shown in Figure 15 ...

Page 12: ...16 Click Back to return to the previous screen Figure 16 Print Report Click the Delete the system prompts Delete Shown in Figure 17 Click OK to delete this record click Cancel to return to the previous screen Figure 17 Delete Click Clear the system prompts Clear Shown in Figure 18 Click OK to clear all the ...

Page 13: ... correct date and time values click Save the system will save the newly set date time and return to the main menu click on Back the system return to Main interface 11 Communication Interface In the main screen click Online Communication the system enters the communication interface shown in Figure 20 Note Please install the appropriate drivers before communicating software driver installation proc...

Page 14: ...o test live circuit contact resistance 4 The instrument must be fitted with a reliable grounding 5 The current line should not be easily replaced 6 The instrument should be placed in ventilated dry cool clean place when not use and it should be prevented from moisture anti corrosive gases Ⅸ Packing List 1 The main machine 1 pcs 2 Test line 1 set 3 Ground wire 1 thread 4 AC220V power line 1 thread ...

Page 15: ...alue is too high Check the voltage input cable is connected to the inner side of the current output lines Check if the test leads polarity is reversed Check voltage output lines are connected well or not whether the DUT connector is oxidized Rotating the mouse unresponsive Turn the power and restart Press the reset button to reset the instrument Communications unsuccessful Check the data cable is ...

Page 16: ...ic and static contact surface oxidation the contact surface resistance increases d long running spring deformation so that the contact pressure drops e after long term operation of the mechanical parts caused by mechanical wear f for less oil circuit breakers also may be due to defective insulation value oleic acidic reaction etching the contact surface Or oil floating impurities move carbonaceous...

Page 17: ... 10G 75 SW1 110 700 SN4 10 50 60 SW2 110I 180 SN4 20 50 60 SW3 110 160 SN4 10G 20 SW4 110 300 SN4 20G 20 SW6 110 180 220 SN5 10 100 SW2 220 400 SN6 10 80 SW4 220 600 SN10 35 75 SW6 220 400 DW1 35 550 SW7 220 190 DW1 60 500 KW1 220 400 DW3 110 1100 1300 KW2 220 170 DW2 110 800 KW3 220 110 KW1 110 150 KW4 220 130 KW3 110 45 DW2 220 1520 KV4 110A 60 DW3 220 1200 DW3 110G 1600 1800 SW6 330 600 ...

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