Bierer is the world leader in the manufacturing of Voltage Detectors, Phasing Voltmeters, Phasing Testers and Ground Testers. We produce the safest, most reliable equipment in the industry.

Send us a message! You can also contact your preferred local tool provider for all pricing. Repairs: Please submit all requests for repairs through our Repairs Page Submit Bierer Meters …

Phasing has never been easier with the Exclusive, Wireless Technology of the PD800W Cordless Phasing Tester. The PD800W Cordless Phasing Tester accurately and easily operates in …

Looking for product manuals, tech specs, and more? For all product-related resources. Please check the product page. We have been moving things around to make your life easier. Select …

At planned intervals, Bierer and Associates, Inc. measurement standards are calibrated by comparison to or measured against the standards of NIST.

Bierer Meters’ products all utilize modular construction, and can be easily repaired and calibrated. All of our Voltage Detectors and Phasing Meters are designed to be used with live line tools, …

A 6-month pilot project was conducted at a Major Investor owned Utility where the ST800 was found to save the Utility time and money while improving their Customer Satisfaction Rating. …

For safety purposes, and as part of ASTM Safety Standards, Bierer always recommends the operator check for proper operation of their phasing device before and after each use.

The easy, all-in-one phasing voltmeter with numerous applications. The PD Series® All-Purpose Utility Meters are phasing voltmeters designed to replace numerous other meters that feature …

Submit Bierer Meters 10730 Farrow Road Blythewood, SC 29016 [email protected] 803-786-4839 Made in America © 2026 Bierer Meters …