--- title: Power Quality Library | Power Monitors, Inc | Chris Mullins description: For 25 years, we’ve been developing specialized power quality monitoring systems that are all-weather, rugged, compact, and easy to use. image: https://library.powermonitors.com/hubfs/Blog_Posts/WP192/White_Paper_Icon_Circle_Gradient_Web.png --- [![PMI Logo Tools you need people you Trust](https://library.powermonitors.com/hubfs/PMI_Website/logo.svg)](https://powermonitors.com/) - [Home](https://powermonitors.com) - [Products](https://powermonitors.com/products) - Library - Videos - [All](https://powermonitors.com/videos/) - [Bolt Quality Tests](https://powermonitors.com/videos/?video_search=&video_topic=bolt-quality-tests) - [Promotional Videos](https://powermonitors.com/videos/?video_search=&video_topic=promotional-videos) - [Support Videos](https://powermonitors.com/videos/?video_search=&video_topic=support) - [Power Quality Decoded](https://powermonitors.com/videos/?video_search=&video_topic=white-paper-walkthroughs) - 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Find me on: ## Recent Posts ## [Meet Merlin™: How AI is Transforming PQ Analysis](https://library.powermonitors.com/meet-merlin-how-ai-is-transforming-pq-analysis) Nov 19, 2025, 1:42:46 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Power Quality](https://library.powermonitors.com/topic/power-quality), [PQ Canvass](https://library.powermonitors.com/topic/pq-canvass), [AI](https://library.powermonitors.com/topic/ai), [Merlin AI](https://library.powermonitors.com/topic/merlin-ai) [Read More »](https://library.powermonitors.com/meet-merlin-how-ai-is-transforming-pq-analysis) ## [Introduction to Temporary Overvoltage](https://library.powermonitors.com/introduction-to-temporary-overvoltage) Nov 4, 2025, 5:20:39 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Power Quality](https://library.powermonitors.com/topic/power-quality), [Voltage](https://library.powermonitors.com/topic/voltage), [Loose Neutrals](https://library.powermonitors.com/topic/loose-neutrals) [Read More »](https://library.powermonitors.com/introduction-to-temporary-overvoltage) ## [Loose Neutrals and Grounding](https://library.powermonitors.com/loose-neutrals-and-grounding) Dec 26, 2023, 4:16:36 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Loose Neutrals](https://library.powermonitors.com/topic/loose-neutrals) [Read More »](https://library.powermonitors.com/loose-neutrals-and-grounding) ## [Residential Interharmonics](https://library.powermonitors.com/residential-interharmonics-1) Nov 12, 2023, 8:36:25 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Power Quality](https://library.powermonitors.com/topic/power-quality), [Flicker](https://library.powermonitors.com/topic/flicker), [Harmonics/Interharmonics](https://library.powermonitors.com/topic/harmonics-interharmonics) [Read More »](https://library.powermonitors.com/residential-interharmonics-1) ## [Distributed Generation Power Quality Standards](https://library.powermonitors.com/distributed-generation-power-quality-standards) Oct 24, 2023, 4:57:03 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Power Quality](https://library.powermonitors.com/topic/power-quality), [Distributed Generation](https://library.powermonitors.com/topic/distributed-generation), [IEEE Standards](https://library.powermonitors.com/topic/ieee-standards) [Read More »](https://library.powermonitors.com/distributed-generation-power-quality-standards) ## [Interharmonic Analysis with Python](https://library.powermonitors.com/interharmonic-analysis-python) Jul 7, 2020, 4:12:06 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [ProVision](https://library.powermonitors.com/topic/provision), [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Power Quality](https://library.powermonitors.com/topic/power-quality), [Analyzing Waveforms](https://library.powermonitors.com/topic/analyzing-waveforms), [Flicker](https://library.powermonitors.com/topic/flicker), [Harmonics/Interharmonics](https://library.powermonitors.com/topic/harmonics-interharmonics), [Voltage](https://library.powermonitors.com/topic/voltage), [IEEE Standards](https://library.powermonitors.com/topic/ieee-standards), [Python](https://library.powermonitors.com/topic/python) [Read More »](https://library.powermonitors.com/interharmonic-analysis-python) ## [Automatic IEEE 519 Report Generation](https://library.powermonitors.com/automatic-ieee-519-report-generation) Feb 25, 2020, 2:09:20 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [ProVision](https://library.powermonitors.com/topic/provision), [Revolution](https://library.powermonitors.com/topic/revolution), [Power Quality](https://library.powermonitors.com/topic/power-quality), [IEEE Standards](https://library.powermonitors.com/topic/ieee-standards) [Read More »](https://library.powermonitors.com/automatic-ieee-519-report-generation) ## [Measuring Frequency with PMI Recorders](https://library.powermonitors.com/measuring-frequency-with-pmi-recorders) Mar 8, 2019, 2:50:29 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Power Quality](https://library.powermonitors.com/topic/power-quality), [Guardian](https://library.powermonitors.com/topic/guardian), [Using PMI Recorders](https://library.powermonitors.com/topic/using-pmi-recorders), [Eagle](https://library.powermonitors.com/topic/eagle) [Read More »](https://library.powermonitors.com/measuring-frequency-with-pmi-recorders) ## [New Graph Templates for Interharmonics](https://library.powermonitors.com/new-graph-templates-for-interharmonics) Sep 27, 2018, 11:27:01 AM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [ProVision](https://library.powermonitors.com/topic/provision), [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Harmonics/Interharmonics](https://library.powermonitors.com/topic/harmonics-interharmonics) [Read More »](https://library.powermonitors.com/new-graph-templates-for-interharmonics) ## [Transient Capture vs. Waveform Capture](https://library.powermonitors.com/transient-capture-vs-waveform-capture) Sep 24, 2018, 1:33:38 PM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Revolution](https://library.powermonitors.com/topic/revolution), [PMI Products](https://library.powermonitors.com/topic/pmi-products) [Read More »](https://library.powermonitors.com/transient-capture-vs-waveform-capture) [All posts](https://library.powermonitors.com/all) [Next](https://library.powermonitors.com/author/chris-mullins/page/2) Power Monitors, Inc. is an industry-leading product design and manufacturing firm based in Mt. Crawford, Virginia. PMI® strives to solve power quality problems by listening to our customers and working with them to design and manufacture products. Total customer satisfaction is the primary goal of all PMI® staff. Please browse our site or call us to learn more about PMI® and how we can help meet your power monitoring needs. 800 N Main St Mt Crawford, VA 22841 | Toll Free 800.296.4120 | Fax 540.432.9430 | © Power Monitors, Inc.