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Price: $109.99 - $98.99
(as of Mar 06, 2026 22:05:47 UTC – Details)
B0F5QCB1X9, Committed to bringing the best value as affordable possible, the SEM-Meter provides everything you need to monitor your entire home’s energy usage in real time. See how much electricity your home is using anywhere, anytime. Available for single-phase, two-phase, and three-phase!
EASY INSTALLATION: Installs in circuit panel of most homes with clamp-on sensors. Supports single-phase up to 240VAC line-neutral; single, split-phase 120/240VAC; and three-phase up to 415Y/240VAC (no Delta). The branch lines can automatically match different phases and have no restrictions in terms of…, 4.5,
Reviewer: JDF
Rating: 5.0 out of 5 stars
Title: The Game Changer for Your Electric Bill
Review: If you have been looking for a way to finally take control of your home’s power consumption, you’ve likely noticed there are dozens of Smart Energy Meters on the market. However, after testing the field, it’s clear that the hardware is only half the story—the mobile app interface is what truly sets this meter apart.Real-Time Data That Actually Makes Sense:Most basic meters just give you a “snapshot” of what’s happening. But to truly get a handle on your electric usage, you need to see the relationship between current and voltage in real-time. This meter tracks both with surgical precision, but it’s the app that turns those raw numbers into actionable insights.Why This App Interface Wins:Granular Detail: You aren’t just looking at a total number. The interface breaks down energy reporting into digestible charts that show you exactly when your AC kicks on or which “energy vampire” appliances are draining power overnight.Seamless User Experience:While other meters have clunky, dated apps, this interface is “awesome” in its simplicity. It’s intuitive enough for a beginner but detailed enough for a data geek.Data Exporting: For those who want to do their own deep-dive analysis, the ability to export energy reports is a lifesaver. You can take your data off the phone and into a spreadsheet to track trends over months or years.The Verdict:The hardware is solid, but the mobile app is the “secret sauce.” If you want to stop guessing why your bill is so high and start seeing exactly where every cent is going, this is the meter to get. It’s not just about measuring electricity; it’s about the visibility and control that this specific interface provides.
Reviewer: Duane
Rating: 5.0 out of 5 stars
Title: Great Product at An Awesome Price!
Review: I’ve been using this for a while now. It’s a great replacement for my old monitor with a lot of new features. Installation is easy and straight forward, the split current transfers make that very easy. The app works well and it’s already set up for Home Assistant integration and the ability to use that as your server so no need to sed data out of your home. I had one small problem that tech support quickly and professionally took care of. I have 4 panels and lots of circuits to monitor so I will be buying several.
Reviewer: Kevin D.
Rating: 5.0 out of 5 stars
Title: Perfect for a private home assistant setup
Review: Very satisfied with this product! Excellent value for the price. I’ve been using it for a few months now together with Home Assistant, and it has worked flawlessly.As a European user, I found the documentation a bit US-oriented at first, so I had quite a few questions during setup. Their support team was outstanding — quick, detailed, and patient in answering all my concerns. Thanks to them, I now have a clear understanding of how everything works. They even sent me an extra part I needed for my European setup at no cost, which I really appreciated.My board has 28 circuits, but since circuits on the same phase can be combined, I was able to cover everything with the 16 clamps included. The measurements are very accurate — I compared them against some smart plugs with built-in power meters, and after several weeks of monitoring, the readings matched closely.Updating the firmware through the app was also a big plus. It allowed me to change the reporting interval from 30 seconds to just 2 seconds, giving me near real-time insight into my energy usage. I started out using their cloud integration with Home Assistant, but later switched to the private local setup. Everything now connects directly to Home Assistant without needing the internet — and the setup was much easier than I expected.
Reviewer: terrelljames91
Rating: 4.0 out of 5 stars
Title: Great Smart Energy Monitor with Minor Accuracy Quirks
Review: This smart home energy monitor has been a fantastic addition to my setup. Installation was straightforward, the app is intuitive, and I love being able to see real-time energy usage for the whole house. It’s really helped me become more mindful about what’s using the most power and when.That said, I did notice a small discrepancy when comparing it to my utility power meter—the readings are consistently off by a few percentage points. Not a huge deal for general monitoring, but if you’re looking for ultra-precise data, it’s something to keep in mind. This meter is usually 20-50kwh under what the power company meter says im using. Again this is not a huge deal at all to someOverall, it’s a solid product with powerful insights and great functionality. Just shy of perfect due to the slight inaccuracy, but still absolutely worth it for most homeowners.
Reviewer: T. G.
Rating: 5.0 out of 5 stars
Title: Simple and excellent design
Review: This is great product and was very easy to setup and connect. I bought two as my panel is full. They combined and the 2nd ones large clamps even work as an additional input so I used them to monitor the feed to my shop. Within an hour of getting it all setup I found my power hungry circuit and resolved my excruciatingly high electric bill. The graphing works great too, you can graph individual circuits and zoom in and out on the per minute graphs. Couldn’t be happier with these!
Reviewer: esalomo
Rating: 1.0 out of 5 stars
Title: not accurate and not easy to integrate with Home Assistant!
Review: device is not reporting accurately values at all. tried working with their support but it did not result with any resolution but only emails going in circles exhausting. also very difficult to integrate with Home Assistant although it is listed as compatible with Home Assistant which makes you think it is simple plug and play – which is not. very disappointing.
Reviewer: Pieces missing
Rating: 5.0 out of 5 stars
Title:
Review: Works. Good
Reviewer: Petef
Rating: 1.0 out of 5 stars
Title:
Review: This item on works on a 2g network.
, Tools & Home Improvement > Electrical > Home Automation Devices > Modules, #Smart #Home #Energy #Monitor #Measure #Power #Usage #RealTime #History #App #2..,
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