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Loop impedance R1+R2 testing [mA] 

MEASUREMENT: 

Press TEST to start.

Warnings:    

Over voltage

SETUP options: 

None

Megger Limited
Archcliffe Road
Dover T + 44 (0) 1304 502100
Kent, CT17 9EN F + 44 (0) 1304 207342
England 
[email protected]

Megger
4271 Bronze Way T +1 (800) 723-2861 (U.S.A. only)
Dallas T +1 (214) 333-3201 (International)
TX 75237-1019 F +1 (214) 331-7399
U.S.A. 
[email protected]

Megger
Z.A. Du Buisson de la Couldre
23 rue Eugène Henaff T +33 (0) 1 30.16.08.90
78190 TRAPPES F +33 (0) 1 34.61.23.77
France 
[email protected]

Megger Pty Limited
Unit 26 9 Hudson Avenue
Castle Hill T +61 (0)2 9659 2005
Sydney NSW 2125 F +61 (0)2 9659 2201
Australia 
[email protected]

Megger Limited T +1 416 298 9688 (Canada only)
110 Milner Avenue Unit 1 T +1 416 298 6770
Scarborough Ontario M1S 3R2 F +1 416 298 0848
Canada 
[email protected]

This instrument is manufactured in the United Kingdom.
The company reserves the right to change the specification or design without
prior notice.

Megger is a registered trademark.
Part No 2001-711- Edition V01 - Printed in England - 0211
www.megger.

Main 

range

knob 

2nd Range

knob

Terminal

connections

Separate leads

User 

Action

Not used

Press and 

release

TEST button

   

   

   

All manuals and user guides at all-guides.com

Summary of Contents for MFT1700 series

Page 1: ...ded as a substitute for normal safe working practices n Do not move the rotary switch positions while a test is in progress n Do not operate the instrument or connect it to any external system if it s...

Page 2: ...ke all necessary special precautions applicable to the particular location and do not touch the test leads with bare hands LIVE EARTH SAFETY PRECAUTIONS n A Live earth is one that carries current from...

Page 3: ...manor other than those defined in this user guide the protection capabilities could be impaired with potential risk to the operator and the instrument Symbols used on the instrument are G Caution ref...

Page 4: ...play shows resistance small display shows test current Lead Null To null leads connect test leads together and press TEST Null indicator appears To remove Open circuit leads and press TEST Main range...

Page 5: ...F Buzzer threshold Sounds above 0 5 M adjustable in SETUP Warnings Ensure circuit to be tested is disconnected and isolated Live circuit warning at 25 V or 50 V Default 50 V SETUP options Insulation b...

Page 6: ...t current Warnings Touch voltage 50 V SETUP options Touch voltage 25 V 50 V Default 50 V RCD ramp testing mA Measures trip current of RCD Note Third lead can be connected The third lead will enable po...

Page 7: ...te Third lead can be connected The third lead will enable polarity detection Loop impedance R1 R2 testing mA MEASUREMENT Select Zref and make measurement at Ze or Zdb This is automatically saved Zref...

Page 8: ...om Megger Pty Limited Unit 26 9 Hudson Avenue Castle Hill T 61 0 2 9659 2005 Sydney NSW 2125 F 61 0 2 9659 2201 Australia E ausales megger com Megger Limited T 1 416 298 9688 Canada only 110 Milner Av...

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