Megger MMG 10 Cable Sheath Tester

The Megger MMG 10 CABLE SHEATH TESTER is used for the voltage testing of plastic insulated cable jackets. The test evaluated the leakage current in respect to the cable lengths.

(1 customer review)
SKU: 4198

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Megger MMG 10 Cable Sheath Tester

The MEGGER PIL 8-Cable and Phase Identifier, paired with the robust sheath test system MMG 10, represents a formidable solution in the cable testing and maintenance field. The MMG 10 is specifically designed for the voltage testing of plastic insulated cable jackets. It effectively evaluates leakage current relative to the lengths of the cables, ensuring comprehensive testing coverage.

One of the standout features of the MMG 10 system is its adjustable current limiter. This crucial component prevents the potential drying out or unintended alteration of a fault spot during tests, safeguarding the integrity of the cable throughout the procedure. This feature is particularly important when dealing with delicate or critical cable systems where maintaining the original condition post-testing is paramount.

In addition to safety features, the MMG 10 excels in fault resolution. It can generate a high output current suitable for the low-resistive burning of faults. This capability is essential for effectively dealing with hard-to-detect faults that require precise and powerful intervention.

For pinpoint accuracy in identifying sheath faults in plastic insulated shielded cables and earth faults in unshielded cables, the MMG 10 employs a pulsed output voltage. This method enhances the detection process, making it more efficient and accurate. The pinpointing of these faults is performed using the step voltage method, facilitated by the Earth Fault Locator ESG 80-2 / ESG NT. This sophisticated approach allows for precise localization of faults, minimizing the time and effort required in troubleshooting and repairs.

Megger MMG 10 CABLE SHEATH TESTER Specifications:

  • Input power:700 VA
  • Mains connection:230 V/3 A (45/60 Hz)
  • Maximum output current:0,5 A
  • Maximum output voltage:10 kVDC
  • output:1000 V / 0,5 A5000 V / 0,1 A10000 V / 0,05 A
  • Max. discharge capacity:12μF
  • Current control:switching regulator
  • Voltage control:switching regulator
  • Temperature monitoring:Indication of high output voltage hazardous to touch
  • Dimensions (H, W, D), mm:200x360x360 (without handles)
  • Weight:approx. 9 kg
  • Operation temperature:-10°C … +50°C
  • Storage temperature:-20°C … +60°C



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Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.


DATA sheet

Data Sheet


Technical Specifications
Specification Detail
Input Power 700 VA
Mains Connection 230 V/3 A (45/60 Hz)
Maximum Output Current 0.5 A
Maximum Output Voltage 10 kVDC
Output 1000 V / 0.5 A
5000 V / 0.1 A
10000 V / 0.05 A
Max. Discharge Capacity 12μF
Current Control Switching Regulator
Voltage Control Switching Regulator
Temperature Monitoring Indication of high output voltage hazardous to touch
Dimensions (H x W x D), mm 200 x 360 x 360 (without handles)
Weight Approx. 9 kg
Operation Temperature -10°C to +50°C
Storage Temperature -20°C to +60°C