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MT-1/WT1

Portable Single-Phase Wireless Watthour Meter Tester. The latest generation of portable meter testers with built-in WiFi technology. Our wireless socket-type device, with its dead-front design, attaches quickly and securely.

MT-1/WT3

Portable 3-phase wireless watthour meter tester. The latest generation of portable meter testers with built-in WiFi technology. Our wireless socket-type device, with its dead-front design, attaches quickly and securely.

MT-1/NT9

Portable 3-phase watthour meter tester. The MT-1/NT9 is an all-in-one portable meter tester with advanced features such as VARh testing, kW demand test, THD consumer line monitoring and bi-directional testing for Net Metering installations. No other equipment needed.

MT-1/NT5

Portable Single Phase Watthour Meter Tester. The MT‐1/NT5 can test two phases simultaneously or separately, for commercial dual phase meters (5S, 12S, 35S and 45S). The meter under test is entirely controlled by the test socket. No wiring setup needed. 

MT-1/NT4

Portable Single-Phase Watthour Meter Tester. The MT-1/NT4 is perfect for testing all common residential watthour meters. Using the technology developed for our 3-phase tester, the weight of the MT-1/NT4 is only 5.3 lb.

ATK-3/ATK4

All test equipment is recommended to be calibrated at least once a year or as per local regulations. A calibration kit is available for purchase to be able to calibrate the testers at your shop.

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Certified Probewell Distributors Since 1975

Butler & Land

Founded in 1994, Probewell Lab Inc. designs, manufactures and sells high accuracy measurement instruments for the power utilities. The company has always kept close contact with its customers and prides itself in designing products with the end-user in mind. Our testers have changed the way utilities go about their everyday business such as handling high bill complaints, field sampling of meters or just any type of field meter testing.

Innovative design and the use of the latest technology have kept Probewell products at the front of the pack when it comes to quality, ease of use, sturdiness and customer satisfaction.

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In 1996, Probewell Lab introduced a genuine portable meter tester known as MT-1, which quickly became the most popular portable tester for power utilities in North America for field-testing. Light weight (less than 6 lb!), reliability and user-friendliness are the main reasons why MT-1 is so popular.

If you don’t see the item you are looking for, or we are currently out of stock, please contact our Sales Department for current price and delivery at 800-527-6870 or sales@butlerandland.com