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PSC Measurement [PSC]

NOTE:

High current 25 A measurement only!

Range switch set to [PSC]

Using test lead OPTION 1, 2 or 3

, connect the test leads as

follows:

Phase-Earth PSC

GREEN lead to EARTH and the RED lead to PHASE. 

Phase-Neutral PSC 

GREEN lead to NEUTRAL and RED lead to PHASE.  

Phase-Phase PSC

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 PSC result is displayed. 

RCD testing

1 /2

I, I and 5I RCD trip timing [RCD]

Warning:

The LCD 'Neons' are invalid when using the two wire

connection and should be ignored. 

Test Lead OPTION 1,2 or 3

Select 

1/2

I

,

I

or 5

I

as required.

1) Ensure the right hand RCD range switch [

mA

] is set to the 

correct range for the RCD under test.  

2) Connect the test leads to the RCD as shown above.
3) Press the YELLOW test button on the instrument or the   

switch probe.

On 

1/2

I

the message >1999 ms is displayed after 2 seconds.

NOTE:

The message ‘TrP’ will be displayed if the RCD trips

unexpectedly..
On 

I

the trip time is displayed (or >200 ms if RCD fails to trip).

On 5

I

the trip time is displayed (or >40 ms if RCD fails to trip).

OPTION 3

Mains plug

test lead

OPTION 2

Switched

probe

OPTION 1

3 wire

measurement

BLACK

GREEN

GREEN

RED

PROBE

Содержание MFT1500 Series

Страница 1: ...M MFT1500 Series Multifunction Tester Quick Start Guide ...

Страница 2: ...it is damaged Test leads probes and crocodile clips must be in good order clean and with no broken or cracked insulation Ensure that hands remain behind guards of probes clips when testing U K Safety Authorities recommend the use of fused test leads when measuring voltage on high energy systems Replacement fuses must be of the correct type and rating Failure to fit the correctly rated fuse will re...

Страница 3: ...utton until required range is displayed Options 2 Ω 5 Ω 10 Ω 20 Ω 50 Ω and 100 Ω Warning Ensure the circuit to be tested is disconnected and isolated before starting testing Voltage Continuity and Insulation testing Voltage measurement V Range switch set to V range The MFT1500 will automatically display circuit voltage up to 500 V a c d c Backlight MFT1502 only Intelligent mode operates automatica...

Страница 4: ...t button is locked down Non tripping loop test NO TRIP Range switch set to the NO TRIP Test Lead Options 1 2 or 3 NOTE A 3 Wire connection must be used Select when loop testing circuits with RCD protection fitted 1 Firmly connect the GREEN lead to EARTH the BLACK lead to NEUTRAL and the RED lead to PHASE Alternatively insert the plug into an installation socket OPTION 3 2 Supply voltage and polari...

Страница 5: ...yed 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 25 A Test Lead set OPTION 1 or 2 1 Connect the GREEN lead to the bon...

Страница 6: ...RCD Warning The LCD Neons are invalid when using the two wire connection and should be ignored Test Lead OPTION 1 2 or 3 Select 1 2I I or 5I as required 1 Ensure the right hand RCD range switch mA is set to the correct range for the RCD under test 2 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 d...

Страница 7: ...ol 2 Set the RCD range switch mA to the current rating of the RCD 3 Press the YELLOW test button 4 Results are displayed in mA 5 If RCD fails to trip the message mA is displayed Final test current applied Batteries Uses 8 x 1 5 V AA LR6 Alkaline dry cells Low battery voltage is indicated by the bsymbol in the display To replace batteries disconnect test leads Remove the battery cover and carefully...

Страница 8: ...ent 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 6172 812 Edition 1 Printed in England 0503 ...

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