The Power Consumption and Energy Usage reports both measure kilowatt-hours (kWh). In theory, they should provide identical information; however that is not always the case. Usually, these reports differ only…
White Papers
Browse our library of power quality technical resources.
435 white papers
Bluetooth Security
This white paper will discuss several of the security concerns regarding PMI's Power Quality Recorders and their implementation of the Bluetooth protocol. Bluetooth security concerns have been tackled for many…
Voltage Unbalance with Single Phase Boomerangs in Canvass
Canvass now includes the ability to perform voltage unbalance studies using single-phase Boomerangs. Logical groupings of three Boomerangs may be created, and treated as a single 3-phase device. This virtual…
Optimizing Current Resolution Using TLARs or Flex CTs
This white paper describes how to select the proper hardware for high resolution current monitoring with PMI Recorders.
Formulas for Power and Harmonic Measurements
PMI recorders use a variety of algorithms to compute RMS voltage and current, real, reactive, and apparent power, true and displacement power factor, and phase angle. The formulas for these…
Event Driven Recorder Function
What follows is a general overview of some of the basic event driven recorder functions available when using ProVision Software and some instructions on getting started with collecting useful data…
Flicker Standards Used By PMI Recorders
This white paper reviews Flicker theory and details the Flicker Standards that are used by PMI recorders. Most PMI recorders have the ability to measure Flicker. Many models and options…
Analyzing Daily Profile Graphs with Canvass
Canvass is Power Monitors' latest web-based power quality analysis portal capable of providing data analysis for single-phase voltage monitors. With Canvass, the user can view voltage stripcharts, histograms and daily…
Communicating with the Field PC and ProVision Mobile
ProVision Mobile is the portable version of our power quality analysis software. This white paper demonstrates how to prepare a desktop computer to interact with the Field PC and ProVision…
Downloading a Recording with ProVision Mobile
The Field PC is a handheld, ruggedized device running Windows Mobile and offering a wide array of features. The Field PC comes preloaded with ProVision Mobile, the portable version of…
An Introduction to the Canvass Interface
Now it is possible to inspect the quality of electricity from hard line power sources from anywhere with internet access. PMI's Canvass web-based software works with Boomerang Voltage monitors to…
Downloading ProVision Software and Updates
It is always a good practice to update Provision whenever a new version is released. ProVision allows for the retrieval and analysis of power quality data from the entire line…
