The Revolution is a powerful tool for measuring and recording power quality information. With ProVision, there are a wide variety of ways to display and analyze many different types of…
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Alert Level Programming and Analysis
The proliferation of cellular networks has allowed for quick access to information when it is needed. This quick access to information is available from all of PMI's cell enabled products…
Sharing Cloud Based Data
Canvass provides a cloud-based system for gathering, storing, and analyzing voltage, current, and power data from Boomerangs and Revolutions. In large deployments, with hundreds or thousands of devices, it's more…
THD Waveform Capture Triggering
The simplest waveform capture triggering is based on RMS voltage or current changes. While sufficient for voltage sags, recloser operations, etc., more complex events such as cap bank switches, narrow…
CBEMA Graphs Revealed
The CBEMA (Computer Business Equipment Manufacturers Association) curve and the ITIC (Information Technology Industry Council) curve both refer to a similar method to visibly represent voltage events. A graph of…
Using Interharmonic THD Measurements
Harmonics and interharmonics are some of the most complex power quality quantities to measure and analyze. The Revolution is capable of recording interharmonic data, and ProVision can present the data,…
Sampling Rate in PQ Recorders
A common specification in power quality recorders such as PMI's Revolution, Guardian, or Eagle products is the sampling rate of the device. Users know this is an important number and…
Interharmonic Recording and Data Analysis
Interharmonics are one of the most complex power quality quantities to measure and analyze. The concepts are advanced, the terminology is confusing, the raw data is voluminous, and the interpretation…
Transient Capture vs. Waveform Capture
Most PMI recorders include waveform capture, and the Revolution optionally includes a high-speed microsecond-level transient capture system. Although PMI waveform capture and transient capture seem very similar on the surface,…
Overcurrent Protection with Fused Leads
PMI offers a fused voltage lead kit for increased safety with the Revolution and Eagle power recorders. Although not required to meet UL safety standards with these recorders, the fused…
Browser Security and Performance with Canvass
Canvass is a powerful graphical web application for the viewing and analysis of voltage, current, and power data collected by PMI Boomerangs and Revolutions. Hosted at https://canvass.powermonitors.com, the application provides…
The New / Improved IP Address Resolution Server
PMI's Revolution can be configured to use a cellular modem as one of its many different means of connectivity. When this option is present the modem can be configured in…