Do you have a question about the Megger MFT70-US and is the answer not in the manual?
Type | Multifunction Tester |
---|---|
Insulation Resistance Measurement | Yes |
Continuity Testing | Yes |
Loop Testing | Yes |
RCD Testing | Yes |
Display | LCD with backlight |
Battery | Rechargeable Li-ion |
Frequency Range | 45 Hz to 65 Hz |
RCD Trip Time Range | 0 ms to 2000 ms |
IP Rating | IP54 |
Safety Rating | CAT III 600 V, CAT IV 300 V |
RCD Trip Time | 0 ms to 2000 ms |
Operating Temperature | -10 °C to +55 °C |
Storage Temperature | -20 °C to +60 °C |
Continuity Range | 0.01 Ω to 2000 Ω |
Insulation Resistance Test Voltages | 50 V, 100 V, 250 V, 500 V, 1000 V |
Insulation Resistance Range | 0.01 MΩ to 1000 MΩ |
Loop Impedance Range | 0.01 Ω to 2000 Ω |
PSC/PFC Range | 20 A to 20 kA |
RCD Test Currents | 30 mA, 100 mA, 300 mA |
Resistance Range | 0.01 Ω to 2000 Ω |
Insulation Test Voltage | 250 V, 500 V, 1000 V |
RCD Trip Current | 10 mA, 30 mA, 100 mA, 300 mA |
Important safety warnings and precautions for using the instrument.
Precautions for working with 'live' grounds and ensuring proper isolation.
Details on locating, fitting, and replacing batteries and fuses.
Basic steps for turning the instrument on/off and using general features.
Details conditions that prevent testing in various modes (Insulation, Continuity, GFCI, Ground).
Procedure for making voltage measurements using test leads or mains plug lead.
How to perform continuity and resistance measurements, including lead nulling.
Step-by-step guide to performing insulation resistance tests.
Introduction to GFCI testing, including function button options and ramp test.
Details on GFCI trip current, touch voltage display, and calculation.
Explanation of ground resistance measurement methods and connection terminals.
Details on various setup options for configuring the instrument's functions.
Information on instrument repair, warranty, and returning for service.