Megger MTB7671/2-Instrument Test Box

Megger MTB7671/2-INSTRUMENT TEST BOX key features:

  • The only one that fully tests your instruments to the regs.
  • Tests the full range of your tester’s capability not just what’s easy
  • Won’t trip RCD-protected circuits
  • Checks insulation, continuity, loop, and RCD functions of testers
  • Works with all testers for Part P Certification
(1 customer review)
SKU: 3707

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Megger MTB7671/2-Instrument Test Box

The Megger MTB7671/2 Instrument Test Box is an essential device for any professional who relies on accurate electrical measurement tools. This test box is specifically designed to verify and confirm that electrical testers are functioning correctly and consistently between calibrations, ensuring compliance with the stringent standards required in electrical testing.

Comprehensive Testing Capability: The MTB7671/2 tests a full range of a tester’s capabilities, including insulation, continuity, loop, Prospective Fault Current (PFC), Residual Current Device (RCD), and voltage measurements. This comprehensive functionality makes it an invaluable tool for electricians and technicians who need to ensure their instruments meet all necessary specifications and regulations, such as BS7671, BS EN 61557, and the IEE On-Site Guide.


  • Tests the full range of a tester capability
  • Does not trip RCD-protected circuits
  • Tests to the regulations BS7671, BS EN 61557, and IEE On-Site Guiden
  • Checks insulation, continuity, loop, PFC, RCD, and voltage measurement functions
  • Confirms testers continued performance between calibrations n
  • Color-coded test functions
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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.