A Power Quality Analyzer (PQA) is a piece of test equipment designed to evaluate the quality of power on its input. These devices are available in three-phase and single-phase models. They measure both current and voltage, and detect dips, swells, fast transients, harmonics, power factor, and a host of other parameters that are useful for advanced power troubleshooting. They offer logging over time and in-depth analysis using PC-based software and reporting tools.
One example of a single-phase unit is the Fluke 43B. Three-phase PQA's are represented by the Fluke 434 or 435, and the Dranetz PowerVisa or PowerXplorer.
These units typically cost between $2000 and $10,000, depending on the features and types of current probes that are included.
Fluke 43B Single-Phase PQA
http://us.fluke.com/fluke/usen/products/categoryind.htm
Dranetz PowerXplorer Three-Phase PQA
http://www.dranetz-bmi.com/
Fluke 435 Three-Phase PQA
http://us.fluke.com/fluke/usen/products/categoryind.htm
One example of a single-phase unit is the Fluke 43B. Three-phase PQA's are represented by the Fluke 434 or 435, and the Dranetz PowerVisa or PowerXplorer.
These units typically cost between $2000 and $10,000, depending on the features and types of current probes that are included.
Fluke 43B Single-Phase PQA
http://us.fluke.com/fluke/usen/products/categoryind.htm
Dranetz PowerXplorer Three-Phase PQA
http://www.dranetz-bmi.com/
Fluke 435 Three-Phase PQA
http://us.fluke.com/fluke/usen/products/categoryind.htm