MEGGER MFM10-1 | Cable Sheath Fault Locator
The MFM 10-1’s intuitive menu-driven operation and automatic measurement and evaluation system enables cable sheaths to be tested and sheath faults to be pre-located and pinpointed as simply as possible. Data is entered using the proven Megger rotary encoder principle and is supported by a touch screen.
- Test voltage up to ±10 kV DC
- Up to 750 mA continuous current, also suitable for burning
- Adjustable current limiter
- Bipolar measurement for the highest accuracy
- Only one single removable high voltage connection cable needed
- Easy Go operation via jogdial and touch screen
- Automatic measurement and protocolling
The MFM10-1 is a sheath fault location system for the testing, pre-location, and pinpointing of sheath faults. It is easy to use, precise, and fast. It works using the menu-supported 'Easy Go' test system, which is intuitive to operate, interprets the results, and requires minimal training. As such, the MFM10-1 can automatically test the cables and evaluate the measured data, giving you a fast, easy, and reliable tool to test the insulation of cable sheaths, and to pre-locate and pinpoint any detected faults.
Additionally, the bipolar pre-location feature supports the detection of galvanic and thermoelectric influences and increases the pre-location accuracy and quality. A multi-section facility permits the entry of cable segments with different parameters and difficult cable faults can be 'burned', thanks to the available high current of up to 750 mA. The MFM 10-1 can also use its integrated protocolling feature with the approved Easyprot SW software to easily generate test reports.
Additionally, the bipolar pre-location feature supports the detection of galvanic and thermoelectric influences and increases the pre-location accuracy and quality. A multi-section facility permits the entry of cable segments with different parameters and difficult cable faults can be 'burned', thanks to the available high current of up to 750 mA. The MFM 10-1 can also use its integrated protocolling feature with the approved Easyprot SW software to easily generate test reports.
ALL FEATURES AT A GLANCE
- Solid IP53 PELI trolley case – easy handling
- Wide range input for all supply voltages
- Powerful rechargeable battery
- Improved pre-location with voltage drop method
- Highest accuracy by bi-polar measurement
- Independent from the resistance of supplementary wires and test leads
- Very fast and fully automatic measurement
- Detection, storage, and indication of fast events
- Protocolling by EasyProt Software
- Burning
- Slim HV connector and just one HV cable
- Fault locating of high-resistive faults inside cables
- Integrated discharge up to 10 μF
- Graphical display of voltage and current
- Very fast pulse rate of 0.5:1 in connection with the ESG NT / ESG NT2
Technical Data
| Functions | Testing, pre-location, and pinpointing, burning, direct resistance measurement, voltage and current limiter, quick event/transient recognition |
| Display | 5.7'' 320 x 240; LCD, LED backlight |
| User Interface | Rotary encoder & touch screen |
| Output voltage | 0 … 10 kV DC, bipolar |
| Output current | 750 mA @ 0,4 kV, 200 mA @ 0,4 … 1,5 kV 60 mA @ 5 kV, 30 mA @ 10 kV |
| Pinpointing | 0 … 10 kV DC pulsed |
| Pulse rates | 0,5:1; 1:2; 1,5:0,5; 1,5:3,5 4.8 Hz for the use with A-Frame |
| Accuracy | ± 0,1% for the fault location relative to the cable length |
| Protocolling | EasyProt Software via USB stick |
| Mains Supply | 88 ... 264 V, 50 … 60 Hz, 800 VA |
| Battery | NIMH, 340 Wh, for all operations |
| DC supply | 12 V … 24 V DC/charge only |
| Max. discharge capacity | 10 μF |
| Operation conditions | - 25 °C … + 55 °C, 93 % rel. humidity |
| Dimensions | 500 x 457 x 305 mm |
| Weight | 25 kg including cable |
| Protection class | IP 53, with lid closed |