--- title: Power Quality Library | Power Monitors, Inc | Guardian (4) description: Guardian | Explore our library of white papers on PQ, SCADA, waveform analysis, voltage regulation, harmonics, flicker, loose neutrals, and more. (4) 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) - White Papers - [All](https://powermonitors.com/whitepapers/) - [Artificial Intelligence](https://powermonitors.com/whitepapers/?whitepaper_search=Merlin&whitepaper_topic=) - [Case 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Quality](https://library.powermonitors.com/topic/power-quality) - [Analyzing Waveforms](https://library.powermonitors.com/topic/analyzing-waveforms) - [Flicker](https://library.powermonitors.com/topic/flicker) - [PQ Data Analysis](https://library.powermonitors.com/topic/pq-data-analysis) - [PQ Theory](https://library.powermonitors.com/topic/pq-theory) - Products - [All Products](https://library.powermonitors.com/topic/pmi-products) - [Boomerang](https://library.powermonitors.com/topic/boomerang) - [Boomerang SCADA](https://library.powermonitors.com/topic/boomerang-scada) - [Box Recorder](https://library.powermonitors.com/topic/box-recorder) - [Canvass](https://library.powermonitors.com/topic/canvass) - [Eagle](https://library.powermonitors.com/topic/eagle) - [Flex CT](https://library.powermonitors.com/topic/flex-ct) - [Guardian](https://library.powermonitors.com/topic/guardian) - [Meter Sockets](https://library.powermonitors.com/topic/meter-sockets) - [PQ Canvass](https://library.powermonitors.com/topic/pq-canvass) - [ProVision](https://library.powermonitors.com/topic/provision) - [Revolution](https://library.powermonitors.com/topic/revolution) - [TLAR](https://library.powermonitors.com/topic/tlar) - [Using PMI Recorders](https://library.powermonitors.com/topic/using-pmi-recorders) - Voltage - [All Voltage](https://library.powermonitors.com/topic/voltage) - [CVR](https://library.powermonitors.com/topic/conservation-voltage-reduction) - [Voltage Sag](https://library.powermonitors.com/topic/voltage-sag) - [Voltage Unbalance](https://library.powermonitors.com/topic/voltage-unbalance) [First](https://library.powermonitors.com/topic/guardian) [Prev](https://library.powermonitors.com/topic/guardian/page/3) [1](https://library.powermonitors.com/topic/guardian) [2](https://library.powermonitors.com/topic/guardian/page/2) [3](https://library.powermonitors.com/topic/guardian/page/3) [4](https://library.powermonitors.com/topic/guardian/page/4) [5](https://library.powermonitors.com/topic/guardian/page/5) [Next](https://library.powermonitors.com/topic/guardian/page/5) [Last](https://library.powermonitors.com/topic/guardian/page/5) # Search Our White Paper Library Search ## [CBEMA Graphs Revealed](https://library.powermonitors.com/cbema-graphs-revealed) Oct 12, 2016 6:00:00 PM [Wayne LaFleur](https://library.powermonitors.com/author/wayne-lafleur) [ProVision](https://library.powermonitors.com/topic/provision), [Revolution](https://library.powermonitors.com/topic/revolution), [Power Quality](https://library.powermonitors.com/topic/power-quality), [Analyzing Waveforms](https://library.powermonitors.com/topic/analyzing-waveforms), [Guardian](https://library.powermonitors.com/topic/guardian), [Voltage](https://library.powermonitors.com/topic/voltage) [Read More »](https://library.powermonitors.com/cbema-graphs-revealed) ## [Wireless Power Quality](https://library.powermonitors.com/wireless-power-quality) Jul 13, 2016 6:00:00 PM [Caleb Payne](https://library.powermonitors.com/author/caleb-payne) [ProVision](https://library.powermonitors.com/topic/provision), [Revolution](https://library.powermonitors.com/topic/revolution), [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Canvass](https://library.powermonitors.com/topic/canvass), [Cellular Communications](https://library.powermonitors.com/topic/cellular-communications), [Communications](https://library.powermonitors.com/topic/communications), [PQ Canvass](https://library.powermonitors.com/topic/pq-canvass), [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/wireless-power-quality) ## [Cybersecurity and Cell Communications with the Guardian, Revolution, & Boomerang](https://library.powermonitors.com/cybersecurity-and-cell-communications-with-the-guardian-revolution-and-boomerang) Jun 29, 2016 6:00:00 AM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [Revolution](https://library.powermonitors.com/topic/revolution), [Boomerang](https://library.powermonitors.com/topic/boomerang), [Canvass](https://library.powermonitors.com/topic/canvass), [Cellular Communications](https://library.powermonitors.com/topic/cellular-communications), [Communications](https://library.powermonitors.com/topic/communications), [PQ Canvass](https://library.powermonitors.com/topic/pq-canvass), [Guardian](https://library.powermonitors.com/topic/guardian) [Read More »](https://library.powermonitors.com/cybersecurity-and-cell-communications-with-the-guardian-revolution-and-boomerang) ## [Power Quality Recorder Setup Basics (Part 2)](https://library.powermonitors.com/recorder-setup-basics-part-2) Apr 6, 2016 6:00:00 AM [Wayne LaFleur](https://library.powermonitors.com/author/wayne-lafleur) [ProVision](https://library.powermonitors.com/topic/provision), [PMI Products](https://library.powermonitors.com/topic/pmi-products), [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/recorder-setup-basics-part-2) ## [Power Factor Correction Capacitors and Harmonics: How PFC Capacitors Affect Harmonic Levels](https://library.powermonitors.com/how-pfc-capacitors-affect-harmonic-levels) Mar 16, 2016 6:00:00 AM [Joel Elmore](https://library.powermonitors.com/author/joel-elmore) [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), [Harmonics/Interharmonics](https://library.powermonitors.com/topic/harmonics-interharmonics), [Eagle](https://library.powermonitors.com/topic/eagle) [Read More »](https://library.powermonitors.com/how-pfc-capacitors-affect-harmonic-levels) ## [Cell, WiFi, and More with the New Cell Guardian Meter Socket Recorder](https://library.powermonitors.com/cell-wifi-and-more-with-the-new-cell-guardian-meter-socket-recorder) Mar 9, 2016 6:00:00 AM [David Horning](https://library.powermonitors.com/author/david-horning) [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Cellular Communications](https://library.powermonitors.com/topic/cellular-communications), [Communications](https://library.powermonitors.com/topic/communications), [Guardian](https://library.powermonitors.com/topic/guardian), [Meter Sockets](https://library.powermonitors.com/topic/meter-sockets), [Using PMI Recorders](https://library.powermonitors.com/topic/using-pmi-recorders) [Read More »](https://library.powermonitors.com/cell-wifi-and-more-with-the-new-cell-guardian-meter-socket-recorder) ## [Flicker Investigation Strategy](https://library.powermonitors.com/flicker-investigation-strategy) Jan 13, 2016 6:00:00 AM [David Horning](https://library.powermonitors.com/author/david-horning) [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Power Quality](https://library.powermonitors.com/topic/power-quality), [Flicker](https://library.powermonitors.com/topic/flicker), [Box Recorder](https://library.powermonitors.com/topic/box-recorder), [Guardian](https://library.powermonitors.com/topic/guardian), [Eagle](https://library.powermonitors.com/topic/eagle) [Read More »](https://library.powermonitors.com/flicker-investigation-strategy) ## [Disconnecting a Power Quality Recorder](https://library.powermonitors.com/disconnecting-a-power-quality-recorder) Nov 11, 2015 6:00:00 AM [Mike Hetmanski](https://library.powermonitors.com/author/mike-hetmanski) [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Flex CT](https://library.powermonitors.com/topic/flex-ct), [Box Recorder](https://library.powermonitors.com/topic/box-recorder), [Guardian](https://library.powermonitors.com/topic/guardian), [Meter Sockets](https://library.powermonitors.com/topic/meter-sockets), [Using PMI Recorders](https://library.powermonitors.com/topic/using-pmi-recorders), [Eagle](https://library.powermonitors.com/topic/eagle), [TLAR](https://library.powermonitors.com/topic/tlar) [Read More »](https://library.powermonitors.com/disconnecting-a-power-quality-recorder) ## [Estimating THD with Power Factor Histograms](https://library.powermonitors.com/estimating-thd-with-power-factor-histograms) Oct 7, 2015 6:00:00 AM [Chris Mullins](https://library.powermonitors.com/author/chris-mullins) [PMI Products](https://library.powermonitors.com/topic/pmi-products), [Guardian](https://library.powermonitors.com/topic/guardian), [Harmonics/Interharmonics](https://library.powermonitors.com/topic/harmonics-interharmonics) [Read More »](https://library.powermonitors.com/estimating-thd-with-power-factor-histograms) ## [Understanding PMI Data Record Types – Part 1](https://library.powermonitors.com/understanding-pmi-data-record-types-part-1) Jul 24, 2015 4:25:00 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), [Box Recorder](https://library.powermonitors.com/topic/box-recorder), [Guardian](https://library.powermonitors.com/topic/guardian), [Eagle](https://library.powermonitors.com/topic/eagle) [Read More »](https://library.powermonitors.com/understanding-pmi-data-record-types-part-1) [Prev](https://library.powermonitors.com/topic/guardian/page/3) [All posts](https://library.powermonitors.com/all) 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