Portable Single-Phase Watthour Meter Tester

MT-1/NT4 - Probewell Lab Inc. (Probewell)

Probewell now offers the most advanced portable single-phase watthour meter tester, the MT-1/NT4. Using the technology developed for our 3-phase tester, the weight of the MT-1/NT4 is only 5.3 lbs, making it the smallest portable watthour single-phase meter tester available today!