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Contact Resistance Tester

MEWOI-HLY200A

User manual

www.mewoi.com

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Summary of Contents for MEWOI-HLY200A

Page 1: ...Contact Resistance Tester MEWOI HLY200A User manual www mewoi com...

Page 2: ...2...

Page 3: ...an safety To prevent danger of fire or electric shock please read this manual carefully before use the instrument and ensure each rated value and sign of instrument are normal Once suspect the safety...

Page 4: ...test results If any abnormal situation during test please cut off the power immediately Please don t place the product outdoor or get wet by rain and don t use the product in environment with explosio...

Page 5: ...ecification 6 Operation and function introduction 7 Testing and operation method 8 Appendix 1 contact loop resistance basic knowledge 14 Appendix 2 circuit breaker conductive contact loop resistance S...

Page 6: ...all when there are impurities between dynamic and static contact or the contact got surface oxidation the dispersivity of test data is larger At the same time the anti interference performance of brid...

Page 7: ...st 7 The grounding wire must connect correctly Performance features 1 The test current value is big completely conform the national standard requirement which related to contact resistance test 2 The...

Page 8: ...rent HLY100A 50A 100A HLY200A 100A 200A 2 Testing range Model Test Current Testing Range HLY100A 50A 1 1999 9 100A HLY200A 100A 200A 3 Minimum resolution 0 01 4 Accuracy 1 0 5 5 Power supply AC220V 10...

Page 9: ...o control and protect and filtering the power of the instrument 2 I I Refers the current output terminal provide constant current for testing product by specified test wire 3 U U Refers the input term...

Page 10: ...d 1 Connection method as shown in picture 2 put the specified wire red to red black to black the thick current wire connect to I I terminal and tighten the thin voltage wire connect to the U U termina...

Page 11: ...ce of the clamp should contact the product reliably 2 Start up interface turn on the power switch the display will show the interface shown in picture 3 after few seconds will automatic skip into the...

Page 12: ...ection as picture 6 press key choose current please refer to corresponding measuring range choose the right current Press ESC go back to main interface press OK start test at the same time remind test...

Page 13: ...interface go into query interface as picture 8 Press key choose function press key ESC go back to main interface press key OK execute the selected function Previous Next Use to turn pages Print print...

Page 14: ...calibration after choose CLOCK CALIBRATION in main interface go into the clock calibration interface Key use to change the value of selected position Press key OK cursor move right when move to the l...

Page 15: ...will cut off and the displayer will go back to initial state and can rewiring execute the next measurement or removal the test wire and power wire and finish testing 9 Temperature warning when the tem...

Page 16: ...t surface oxidation contact area resistance increase Long time working cause spring deformation decrease the contact pressure Mechanical wear of mechanical part after long time working For low oil bre...

Page 17: ...0 700 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 DW...

Page 18: ...lash during user using or moving the product 2 The product was not kept properly by user cause instrument ooze water affected with damp clash or light fire and so on 3 Failure or damage caused by main...

Page 19: ...17 Your Testing Specialist...

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