Ease of use

A snap to set-up, an intelligent self-discovery capacity in an intuitive interface, and really portable. For more tests per day.


Built to last. Durable beyond expectation. The sturdiness of our products is at an uncommonly high level.


NIST traceable accuracy provided by on-board standards. Remarkably stable over time, in any environment.


Designed from users’ input, for users. This is probably why technicians are raving about it.

24years of experience
16countries served
8minutes to complete test

MT-1/WT3 Portable Meter Tester

  • Built-in WiFi technology
  • Lightweight: less than 8 lb overall with carrying bag
  • Enhanced user experience and long term support
  • Highly accurate: three-phase watthour standard typical accuracy ±0.02%
  • Compatible with meter forms 1S, 2S, 3S, 4S, 6S, 8S, 9S, 12S, 14S, 15S and 16S

NEW! Magnetic Optical Pickup

  • New optical probe
  • Designed with a strong magnet material for a solid grip
  • Hassle free connection

Among our users