Megger MFT-X1 User Manual

Contents
1. Introduction .....................................................................................................................................10
1.1 Product description ...................................................................................................................................10
1.2 Features ......................................................................................................................................................11
1.3 Company web site .....................................................................................................................................11
2. Safety Warnings ..............................................................................................................................12
2.1 Warnings, Cautions and Notes .................................................................................................................12
2.2 Safety warnings .........................................................................................................................................12
2.2.1 Earth test warnings .................................................................................................................................. 13
2.2.2 Li-ION battery module warnings ............................................................................................................... 14
2.2.3 Li-ION battery care ...................................................................................................................................14
2.3 Product safety category – measurement connection .............................................................................. 14
2.3.1 Safety category voltage ............................................................................................................................14
2.3.2 CAT IV ..................................................................................................................................................... 14
2.3.3 CAT III ...................................................................................................................................................... 14
2.3.4 CAT II ....................................................................................................................................................... 14
2.4 Safety, Hazard and Warning symbols on the instrument .......................................................................15
2.5 Warning icons ............................................................................................................................................ 15
2.5.1 Connection terminals ...............................................................................................................................15
3. Getting started ................................................................................................................................16
3.1 Quick start (for those in a hurry) .............................................................................................................. 16
4. Instrument Controls .......................................................................................................................17
4.1 Instrument layout ...................................................................................................................................... 17
4.2 Instrument display ..................................................................................................................................... 18
4.2.1 Colour coded backgrounds ......................................................................................................................18
4.2.2 High contrast mode ................................................................................................................................19
4.3 Instrument controls ...................................................................................................................................19
4.3.1 The left-hand rotary knob ........................................................................................................................19
4.3.2 The right-hand rotary knob .....................................................................................................................19
4.3.3 Information bar ........................................................................................................................................20
4.3.4 Test lead connection guide .......................................................................................................................21
4.3.5 Voltage widget .........................................................................................................................................22
4.3.6 Analogue arc............................................................................................................................................22
5. Operation ......................................................................................................................................... 23
5.1 Switching on and off .................................................................................................................................23
5.1.1 Auto power off (sleep function)................................................................................................................24
5.2 Test inhibit – general inhibits ................................................................................................................... 24
6. Dead circuit tests .............................................................................................................................25
6.1 General .......................................................................................................................................................25
6.2 Protection against accidental damage .....................................................................................................25
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MFT-X1
4

Megger MFT-X1 Specifications

General

Power Supply	Rechargeable Li-ion battery
Phase Sequence Indication	Yes
Resistance Range	0.01 Ω to 100 kΩ
Protection Rating	IP54
Continuity Testing	0.01 Ω to 2000 Ω
Loop Testing	0.01 Ω to 2000 Ω
RCD Testing	Type AC, A, F, B, and B+
Frequency Measurement	15 Hz to 400 Hz
Insulation Test Voltage	50 V, 100 V, 250 V, 500 V, 1000 V
Voltage Range	12 V to 440 V AC/DC
Frequency Range	15 Hz to 400 Hz
Battery Life	Approximately 8 hours