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Range switch set to [Hi] range
Test Lead set: Options 1, 2 or 3

Phase-Earth loop impedance

1) Connect the GREEN lead to EARTH and the RED lead to 

PHASE or plug into 13 Amp socket.

2) Supply voltage will be displayed. 
3) The test will beep and automatically start when voltage is 

detected.

4)  Measured loop value is displayed. 
5)  To repeat, press the YELLOW test button.

Phase-Neutral loop impedance

Same connections to instrument as above but connect GREEN lead
to NEUTRAL and RED lead to PHASE.

Phase-Phase loop impedance

Same connections to instrument as above but connect the GREEN
lead to 2nd PHASE and the RED lead to 1st PHASE.  

Bonded Metalwork Testing [Hi]

Test Lead set: OPTION 1 or 2

1) Connect the GREEN lead to the bonded metalwork.
2) Connect the RED lead to PHASE.
3) Supply voltage is displayed.
4) The test will ‘beep’ and automatically start when voltage is 

detected.

5) Measured resistance value is displayed.

PFC Measurement [PFC Hi]

NOTE:

High current 25 A measurement.

Range switch set to [PFC Hi]

Using test lead OPTION 1, 2 or 3

, connect the test leads as

follows:

Phase-Earth PFC

GREEN lead to EARTH and the RED lead to PHASE. 

Phase-Neutral PFC 

GREEN lead to NEUTRAL and RED lead to PHASE.  

Phase-Phase PFC

GREEN lead to 2nd PHASE and the RED lead to 1st PHASE.  

1) The supply voltage is displayed and the test will beep, and 

automatically start when voltage is detected.

2)  Measured PFC result is displayed. 

Summary of Contents for MFT1500/2

Page 1: ...features and should not be regarded as a substitute for normal safe working practices Do not move the rotary switch positions while a test is in progress The LCD neon voltage indicators cannot reveal...

Page 2: ...lectricians should be used Symbols used on the instrument are F Caution risk of electric shock G Caution refer to accompanying notes t Equipment protected throughout by Double Insulation Class II c Eq...

Page 3: ...100 Warning Ensure the circuit to be tested is disconnected and isolated before starting testing Insulation testing M Range switch set to 250 V 500 V or 1 kV range Test Lead Options 1 or 2 For insulat...

Page 4: ...ed value may differ to the anticipated value This is caused by noise on the supply Repeating the test may result in a different reading if this is the case refer to page 13 of the handbook for possibl...

Page 5: ...the RED lead to 1st PHASE Bonded Metalwork Testing Hi Test Lead set OPTION 1 or 2 1 Connect the GREEN lead to the bonded metalwork 2 Connect the RED lead to PHASE 3 Supply voltage is displayed 4 The...

Page 6: ...Connect the test leads to the RCD as shown above 3 Press the YELLOW test button on the instrument or the switch probe On 1 2I the message 1999 ms is displayed after 2 seconds NOTE The message TrP will...

Page 7: ...enabled by a long press on the blue degree button As selective RCD test mode is enabled the MFT will emit a long beep and the display will show the exclamation mark symbol To disable Selective RCD mod...

Page 8: ...it 1 T 1 416 298 6770 Scarborough Ontario M1S 3R2 F 1 416 298 0848 Canada E casales megger com This instrument is manufactured in the United Kingdom The company reserves the right to change the specif...

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