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Dear Client

Thank you for Purchasing our

GM-5kV Megohmmeter

. Please

read the manual in detail prior to first use, which will help you use

the equipment skillfully.

Our aim is to improve and perfect the

company's products continually, so there may be

slight differences between your purchase equipment

and its instruction manual. You can find the changes

in the appendix. Sorry for the inconvenience. If you have further

questions, welcome to contact with our service department.

The input/output terminals and the test column

may bring voltage, when you plug/draw the test wire or

power outlet, they will cause electric spark. PLEASE

CAUTION RISK OF ELECTRICAL SHOCK!

Company Address:

T4

No. 41, High-tech 2 Road

East Lake High-tech Development Zone

Wuhan

Sales Hotline: 86-27- 87457960

After Service Hotline

:

86-27- 87459656

Fax: 86-27- 87803129

E-mail: [email protected]

Website: www.hvtest.cc

Summary of Contents for GM-5kV

Page 1: ...ind the changes in the appendix Sorry for the inconvenience If you have further questions welcome to contact with our service department The input output terminals and the test column may bring voltag...

Page 2: ...hed products being damaged In order to avoid possible danger this product can only be used within the scope of the provision Only qualified technician can carry out maintenance or repair work To avoid...

Page 3: ...ire information about the ratings Do Not Operate without Covers Do not operate this product when covers or panels removed Use Proper Fuse Only use the fuse with type and rating specified for the produ...

Page 4: ...Security Terms Warning indicates that death or severe personal injury may result if proper precautions are not taken Caution indicates that property damage may result if proper precautions are not tak...

Page 5: ...before the experiment 6 I Overview 7 II Features 7 III Main Technique Performance 8 IV Working Principle 9 V Panel layout 10 VI Operation Instructions 12 VII Problems and Solutions 14 VIII Packing Li...

Page 6: ...arted do not use manual discharge method to check the instrument After test please wait the instrument completes automatic discharge and automatically returns to zero then manual discharge can be oper...

Page 7: ...ectrical appliances remote power cables or laying cables and other electrical insulation resistance properties for high voltage substations power plants and others The instrument system combines analo...

Page 8: ...ment range and accuracy Measurement range Resistance measurement range Accuracy 20M 0 01 19 99M 5 3d 200M 5 0 199 9M 5 3d 2000M 50 1999M 5 3d 20G 0 5 19 99G 5 3d 200G 5 0 199 9G 10 3d 2000G 50 1999G 2...

Page 9: ...argeable lithium battery DC15V power supply With AC 50 60Hz special adapter access port to charge the battery 9 Operating Conditions Temperature 20 40 Relative humidity 20 90 10 Dimensions 315 240 180...

Page 10: ...kV meter 16 M G meter 17 time meter Note 1 HV output terminal it is also called a line terminal it uses 2 high voltage cable to connect measured target such as the transformer motor windings and cabl...

Page 11: ...V the indicator light is red and the indicator light goes out gradually with the increase of battery voltage 8 Charger input When the working voltage is lower than 12V the indicator light is red and t...

Page 12: ...a manual discharging rod All these are safe you can connect wire For some measured targets suffering strong interference due to power leakage such as substations power plants before wiring please comp...

Page 13: ...easuring 8 Reading resistance value Read the resistance value through the M G meter After the resistance value is stable press the timing switch stopwatch to report the time in 15 seconds 60 seconds a...

Page 14: ...plifier damage Replace CA3140 op amp on high voltage circuit board 6 Resistance displays a fixed value 1 or other fixed value Amplifier damage Replace double integral AD conversion Manifold 7 Resistan...

Page 15: ...15 VIII Packing List 1 Instrument Host 1 2 HV Cable 1 3 Connect Line 4 Ground wire 5 Power Cord 6 Reference Resistance 1G 2 1 1 1 7 The instruction manual 1 8 Inspection report 1 9 Certificate 1...

Page 16: ...ing diagrams for substation transformer and cable 500KV power transformer LV winding insulation test wiring diagram 500KV power transformer HV winding insulation test wiring diagram Shielded cable ins...

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