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HZ-3100A

Transformer DC resistance Tester

User Manual

Huazheng Electric Manufacturing (Baoding) Co., Ltd

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Summary of Contents for HZ-3100A

Page 1: ...HZ 3100A Transformer DC resistance Tester User Manual Huazheng Electric Manufacturing Baoding Co Ltd ...

Page 2: ...nual and operate and maintain the instrument according to the manual to prolong its service life Just a light press the test will be completed automatically is the operating characteristics of this instrument If you are satisfied with this instrument please tell your colleagues if you are not satisfied with this instrument please call 0312 6775656 to tell you to serve you at all times Baoding Huaz...

Page 3: ...ntents I Overview 1 II Main Technical index 2 III Main functions and features 3 IV Panel structure 3 V system introduction 4 VI Method of operation 5 VII Matters needing attention 10 VIII Packing List 11 ...

Page 4: ...re is broken and multiple strands of wire are wound Whether there is any stock breakage etc In order to meet the needs of rapid measurement of transformer DC resistance the HZ 3100A DC resistance tester developed by our company The instrument adopts a brand new power supply technology which has the characteristics of small size light weight large output current good repeatability strong anti inter...

Page 5: ... 4Ω 5A Min resolution 0 1μΩ Accuracy 0 2 2 reading Display LCD Monitor Resistance display effective digits are 4 digits Data storage 1000 sets Working environment Ambient temperature 0 40 Relative humidity 90 RH No condensation Power supply AC 220V 10V 50Hz 1 Hz Insurance tube 10A Max power consumption 1000W Overall dimensions 440 245 395 mm Weight Instrument 19 8Kg Wire box 7 5Kg ...

Page 6: ... 4 With sound discharge alarm discharge indication is clear reduce misoperation 5 Fast response speed 6 Intelligent power management technology the instrument always works in the minimum power state which effectively saves energy and reduces heat generation 7 320X240 dot matrix ultra small pixels 65K true color LCD 8 The instrument comes with a perpetual calendar clock and power down storage which...

Page 7: ...l realizes the whole test process I I output current binding posts I is the output current is positive I is the output current is negative V V Voltage sampling terminal V is the positive terminal of the voltage line and V is the negative terminal of the voltage line RS232 Universal serial interface the instrument can be controlled by a computer USB can output test results to U disk V system introd...

Page 8: ...is positive I is the output current is negative V V Voltage sampling terminal V is the positive terminal of the voltage line and V is the negative terminal of the voltage line RS232 Universal serial interface the instrument can be controlled by a computer USB can output test results to U disk VI Method of operation 1 The boot interface is shown in Figure 1 Figure 1 Figure 2 Press the cycle key and...

Page 9: ...data bits and the select key can make the data of each data bit cyclically display between 0 9 4 When the cursor is at the conversion temperature press the select key and the conversion temperature can be displayed cyclically among 75 85 115 125 and 145 5 When the current option is any option except winding temperature press the start key to start the measurement 2 After the current is selected pr...

Page 10: ...sk for storage and press the select key to store the current display data to the U disk according to the prompts 4 In Figure 2 press the cycle key to move the cursor to the clock modification press the select key to enter the clock modification interface Figure 5 Press the cycle key to move the cursor between each date data press the select key to decrease the data and press the start key to incre...

Page 11: ...y to clear the storage data 6 Test and operation method A Single phase measurement method see Figure 7 below Figure 7 B The wiring of the assisted magnetic method is shown in Figure 8 10 applicable to Y N d 11 connection group When measuring the low voltage side of a large capacity transformer if the maximum current of the DC resistance tester is relatively small under existing conditions or in or...

Page 12: ...9 the wiring methods for measuring low voltage Rac Rba and Rbc respectively Figures 8 9 and 10 are the wiring methods for measuring low voltage Rac Rba and Rbc respectively ...

Page 13: ...unding of other untested windings otherwise it will slow down the magnetization process of the transformer prolong the data stabilization time or the value is incorrect 5 Please check the power supply voltage before starting up AC 220V 10 50Hz 6 During the test please confirm that the device under test has been powered off and disconnected from other live devices 7 The case must be grounded reliab...

Page 14: ...11 VIII Packing List No Name Qty 1 main engine 1 2 Test line 1 3 Power line 1 4 Power line 2 5 Print paper 1 6 Ground lead 1 7 Data line 1 8 Test product 1 ...

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