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…
White Papers
Browse our library of power quality technical resources.
414 white papers
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…
PC Memory Requirements for the Revolution and Vision
The Revolution and VisionPro are PMI's most powerful and versatile power analyzers. The Revolution is capable of transient waveform capture, recording readings for selected intervals at one-cycle resolution, and can…
Custom Initialization Templates for Application Recorder Setup
This white paper describes how to create custom initialization templates for application specific monitoring with PMI Recorders. PMI recorders have the ability to measure all types of power quality data.…
kWh Variations Between PMI Recorders and Revenue Meters
This white paper discusses some of the reasons that PMI's power quality analyzers may differ with the exact amount of power indicated by a power company's revenue meter. There are…
Hookup Diagram Walkthrough Differential Input
This white paper describes the proper hookup connections for differential input style PMI recorders. PMI offers the ability to monitor with two styles of voltage input connections to provide the…
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…
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.
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…
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…
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…
