Hand-sized recorder
Cell Bolt
Fits where a full analyzer will not. LED-guided install, weatherproof, connects wirelessly.
Cell Bolt details
Tools you need. People you trust.
Power quality monitoring, built in Virginia.
Utility-grade recorders, analyzers and the PQ Canvass cloud — built in-house, backed by 24/7 support from real PMI engineers.
- Capture every sag, swell, transient and harmonic event
- Field, meter-base and substation instruments for any job
- Every recorder streams to PQ Canvass and Merlin™
Merlin™ — AI built for PQ
Why hire a PQ consultant?
Merlin™ is PMI's AI assistant inside PQ Canvass. Let it carve through your data, surface what matters, and draft the report.
- Ranks events and estimates utility vs. customer attribution
- Drafts technical reports and customer letters, grounded in IEEE standards
- Chat with a recording the way you would ask a colleague
PQ Canvass — cloud platform
Every recording, one cloud workspace.
Stream live PQ data from any PMI recorder and investigate events from any browser, with Merlin™ built in.
- Live dashboards, waveforms and event reports
- Unlimited historical storage, email and SMS alerts
- Share data and collaborate across your whole team
Seeker+ — handheld PQ recorder
Pull the trigger, capture everything.
The Seeker+ is a handheld, no-setup recorder that captures the full PQ picture, from harmonics to high-speed transients.
- Wideband analysis: supraharmonics and 1 MHz transient capture
- GPS-timed events for precise multi-site correlation
- Streams to PQ Canvass and is optimized for Merlin™
The Bolt — Cell Bolt
Power quality that fits in your hand.
A compact 3-channel recorder for tight spaces like meter bases and cap-bank controllers, in the field or left on site.
- Wireless via Wi-Fi, Bluetooth, USB or 4G LTE
- LED-guided install and weatherproof NEMA 4X design
- Verify IEEE 519 compliance and pinpoint PQ complaints
Free — no account needed
Have a power quality question? Ask Merlin™.
Email your toughest PQ question to Merlin™, PMI's AI assistant trained on 440+ technical white papers, and get answers grounded in IEEE standards and decades of utility experience. Free for anyone.
Ask Merlin™
askmerlin@powermonitors.com
What's new
New product
Meet the Seeker+
The next generation in power quality monitoring. Rugged, wideband, and simple to deploy.
Learn more
White paper release
Working with Live Data in PMI View
PMI View’s live data pages show waveforms, phasors, and tabular values from a connected device, updating as you watch, without\u{2026}
Read the paper
Featured podcast
Voltage Imbalance and Its Impact on Waveform Distortion
to Voltage Imbalance and Waveform Distortion Hello everybody, and welcome to today’s white paper webinar. Today we’re talking about voltage\u{2026}
Listen nowThe full range
Wideband PQ recorder
Seeker+
1 MHz transient capture, supraharmonics to 150 kHz, 32 GB onboard and cloud streaming.
Seeker+ details
Cloud analysis
PQ Canvass
Live waveforms, GPS-synchronized overlays across sites, and programmable email and text alerts.
PQ Canvass details
Wireless PQ analyzer
Revolution
The proven workhorse. 1 MHz transient capture, harmonics to the 51st, Bluetooth, cell and Ethernet retrieval.
Revolution details
Permanent monitoring
Cell Guardian
Full-spectrum PQ data with real-time alerts, so you find the fault before the customer calls.
Cell Guardian details
DER control
The Seeker
Investigate, observe, control. Distribution situational awareness where DER meets the feeder.
The Seeker details
Environmental sensor
The Atom
Temperature, humidity, pressure, solar flux, acceleration and door closures — the context.
The Atom detailsWho we serve
Investor-owned utilities
Fleet-scale monitoring, compliance reporting, and data that stands up to regulators.
Cooperatives
Affordable instruments and free training sized for lean engineering teams.
Municipal utilities
Fast answers to customer PQ complaints without adding headcount.
Industrial & commercial
Find the source of equipment failures, nuisance trips, and utility disputes.
How much can the Bolt take?
We dropped it, froze it, soaked it and ran it over. It kept recording. Here is the footage, unedited.
View all 24 Bolt testsEverything we have learned, published
440+ technical white papers, live technical support, and training that carries PDH credit. All of it free.
Latest white papers
Recently published research from PMI
Need a hand?
Real PMI engineers, any hour of the day
24/7 technical support — call, or send us the data file and we will look at it with you.
PQ training
Expand your power quality knowledge
- Seven Sessions: PQ Essentials7-week webinar series — earn 7 PDH / 0.7 CEURegister now
- On-site trainingFree customized PQ training at your locationSchedule training
- Free live webinarsFree 1-hour PQ webinars — reserve your spotView schedule
- Video libraryProduct walk-throughs and PQ explainersBrowse videos
What's your power quality IQ?
Take the quiz and find out how your PQ knowledge stacks up.