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Megger MFT1553 Series User Manual

Megger MFT1553 Series
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10
1. Select NO TRIP PFC test range.
2. Connect the leads as shown.
3. Supply voltage and polarity are displayed.
4. The test will ‘beep’ and automatically start when sufficient
voltage is detected.
5. The measured PFC result is displayed.
HIGH CURRENT LOOP-TESTING [HI]
Single Phase and Phase to Phase loop testing on circuits that are NOT
protected by RCD
Set the instrument to the [HI] Loop test range
High current Phase to Earth loop impedance measurement (at a
power socket):
Test Lead set: OPTION 2
1. Insert the plug into an installation socket.
2. Supply voltage and polarity are displayed.
3. The test will ‘beep’ and automatically start when voltage is
detected.
[NO TRIP] LOOP-TESTING - SINGLE PHASE TESTING ONLY
The NO TRIP loop test is a high resolution low current earth loop resistance
measurement (Loop L-PE 0.01 Ω) range which does not trip RCDs with a
rated current 30 mA or higher.
[NO TRIP] PHASE TO EARTH LOOP IMPEDANCE MEASUREMENT
(AT A POWER SOCKET)
Test Lead set: OPTION 2
1. Select NO TRIP Loop test range.
2. Insert the plug into an installation socket.
3. Supply voltage and polarity are displayed.
4. The test will ‘beep’ and automatically start when voltage is
detected.
5. Measured loop value is displayed
If desired the test can be repeated by pressing the YELLOW TEST button.
[NO TRIP] EARTH LOOP IMPEDANCE MEASUREMENT (NOT AT A
POWER SOCKET)
Test Lead set: OPTION 1
1. Firmly connect the GREEN lead to EARTH, the BLACK lead to
NEUTRAL and the RED lead to PHASE.
2. Perform the loop test, as above for power socket.
If desired the test can be repeated by pressing the YELLOW TEST
button.
PFC MEASUREMENT [NO TRIP PFC]
Use Test Lead set OPTION 1 or OPTION 2
OPTION 2
Mains plug
test lead
OPTION 1
2 wire lead
set
GREEN
RED
PLUG

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Megger MFT1553 Series Specifications

General IconGeneral
BrandMegger
ModelMFT1553 Series
CategoryMultimeter
LanguageEnglish

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