we maintain a library of technical and marketing documents associated with our instruments. For your convenience, these original documents are available for download should you need replacement files on hand. Please note that company branding, content and technology references were correct when these documents were published.

A Systems Approach to Power Quality Monitoring
Active Filter Design and Specification for Control of Harmonics
Advances in Data Reduction Techniques
Clamp-On Ground Resistance Measurement
Detecting, Identifying, and Correcting Power Quality Problems
Developing a Utility/Customer Partnership
Economics of Different Plant Ride-Through Improvement Solutions
Effects of Voltage Sags in Process Insustry Applications
Electric Reliability Troubleshooting Guide
Electrical Harmonics: Understanding the Facts
Electrical Harmonics: Understanding the Facts, Part 1
Electrical Harmonics: Understanding the Facts, Part 2
Electrical Harmonics: Understanding the Facts, Part 3
Interpretation and Analysis of Power Quality Measurements
Power Event Classification
Power Factor Correction and Electrical Harmonic Controls for DC Drive Loads
Power Quality Starts at the Load
Power Quality Terminology
Principles of Grounding; Ground Resistance Testing Principles
Sags and Swells
Simple Rules for Solving Power Quality Mysteries
Tech Tip on Harmonic Power Flow Direction
The Dirty Half Dozen; The Most Commonly Encountered Power Disturbances
The Sign of the Sine
Understanding Ground Resistance Testing & Soil Resistivity
Utilization of Web-based Power Quality Monitoring