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Smart Home Energy Monitor with 8 50A Circuit Level Sensors, Measure Power Usage in Real-Time, History with App (8 50A Circuit Level Sensors) – Compatible with Home Assistant


Price: $164.99 - $119.99
(as of Jul 23, 2025 17:08:54 UTC – Details)


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.
Product Dimensions ‏ : ‎ 4.18 x 3.1 x 1.2 inches; 2.8 Pounds
Item model number ‏ : ‎ SEM-Meter
Date First Available ‏ : ‎ April 21, 2025
Manufacturer ‏ : ‎ Fusion Energy
ASIN ‏ : ‎ B0F5Q9Q4SX
Country of Origin ‏ : ‎ China
Best Sellers Rank: #39,558 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #8 in Home Automation Modules
Customer Reviews: 4.5 4.5 out of 5 stars 92 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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). Panels with access only to busbars will need flexible sensors available from SEM-Meter.
ENERGY MONITORING ANYTIME, ANYWHERE: Monitor your home’s real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. Protected by a 1-year warranty.
VARIOUS ELECTRICAL APPLIANCE MONITORING: Comes with 8 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc. Add up to eight more sensors.
LOWER YOUR ELECTRIC BILL: SEM-Meter measures real-time spending and gets actionable notifications to understand where savings can be made, both to lower your electric bill and to conserve energy and protect the planet’s resources. Be an environmentalist.
REAL-TIME ENERGY DATA: Connect SEM-Meter device via 2.4GHz WiFi to monitor energy usage, with an accuracy range of 1%. View usage in real time through Android/Apple software. Statistics of power usage in now/day/week/month/year format: the validity period of hourly exported data is 90 days, and the exported data of day/month/year data is permanent, available at any time Export from application.
Super Privacy Mode ! run without our cloud ,without our app!! use your own MQTT server only!! run in LAN without internet access !!!

Customers say

Customers find the energy monitor works flawlessly with Home Assistant and is very easy to install with clear online instructions. They appreciate its value, accuracy, and comprehensive app that allows for instant toggling, while also noting its solid build quality and effectiveness in maximizing energy savings. The connection issues receive mixed feedback from customers.

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