Best selling Energy monitors
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. Shelly Pro 3EM 120A
The Shelly Pro 3EM is a Wi-Fi-operated, DIN-mountable 3-phase power consumption meter with Wi-Fi, Bluetooth, and LAN connectivity. With its 1% accurate active energy measurement, the Shelly Pro 3EM can be used to monitor the consumption of all household appliances, circuits, and office devices individually. Historical data is stored for up to 60 days, with each phase having a one-minute resolution. Additionally, the scripting functionalities allow for the execution of complex scenarios and provide advanced monitoring options.
Includes 3 current transformers 120 A.
2. Shelly Pro 3EM-3CT 63
Next generation of DIN rail-mounted energy meters for single or three-phase applications with a combined 63A, 3-phase current transformer.
The Shelly Pro 3EM-3CT63 is a DIN rail-mounted energy meter for single or three-phase applications. It is equipped with the full flexibility of Gen2 firmware and LAN connectivity, providing professional integrators with additional options for end-user solutions. It can operate independently in a local LAN and/or Wi-Fi network or through cloud home automation services using Modbus, MQTT, HTTP, and WebSocket. All incoming connections support TLS.
The device reports accumulated energy as well as instantaneous voltage, current, active power, and apparent power per phase/channel in real-time. It stores data in non-volatile memory, which can be retrieved over a period of up to 60 days in 1-minute intervals.
The device features a real-time clock that maintains the correct time in case the connection to an SNTP server is lost.
The Shelly Pro 3EM-3CT63 can be accessed, configured, and monitored remotely by the user, and the device can access and communicate with an automation system as long as they are on the same network.
The device has a built-in web interface that can be used to monitor and control the device as well as to adjust its settings.
Note: The device does not have a built-in relay. The control of the contactor is done through a Shelly Pro 3EM Switch add-on connected to the Shelly Pro 3EM-3CT63.
3. Steffen digital brilliant
Ideal for indoor use. Displays watts, amperes, volts, hertz, power factor (cos φ), or kilowatt-hours. Equipped with overload protection. Two tariffs can be set. Features a large LCD display. The energy meter shows you real-time voltage, frequency, current, and power values, and works with all electrical devices in your household.
4. Shelly PM Mini Gen3 x2
The Shelly PM Mini Gen3 is an advanced, Wi-Fi-controlled energy meter designed for precise real-time monitoring of electricity consumption. With a powerful ESP32 processor and expanded flash memory, this device supports a maximum current of 16 A at 240 V AC. It allows for detailed analysis of energy usage through free cloud data storage, facilitating easy optimization of consumption behavior. The PM Mini Gen3 is versatile and supports various protocols and technologies, including scripting, webhooks, and MQTT, making it a flexible solution for modern smart home applications. Control is straightforward via the Shelly Smart Control App or popular voice assistants, with no hub required. Its compact design makes the PM Mini Gen3 ideal for integration into existing systems.
- Real-time power measurement with free cloud data storage
- Supports a maximum current of 16 A at 240 V AC
- Compatible with scripting, webhooks, MQTT, and other protocols
- Easy control via the Shelly Smart Control App and voice assistants
- Wi-Fi and Bluetooth Low Energy for flexible connectivity.
5. Shelly PRO EM - 50
The Shelly Pro EM-50A is a DIN-mounted single-phase energy meter with an integrated switch for relay control. With an accuracy of 1% in measuring active energy, the Shelly Pro EM-50 can be used to monitor consumption and control various household appliances, circuits, and office equipment. The device features a data history of 60 days in 1-minute intervals. Additionally, its scripting capabilities allow for the execution of complex scenes and provide more comprehensive monitoring options.
6. Shelly 3EM-63T Gen3
The Shelly 3EM-63T Gen3 (Flat Terminal Model) is an advanced three-phase energy meter specifically designed to accurately measure energy consumption in three individual phases. With a maximum load of up to 63A and an accuracy of 99%, this device fulfils IEC 62053-21 Class B standards. It enables real-time monitoring of power data such as current, voltage and power factor with a resolution of one minute. The integrated data storage allows energy consumption data to be stored for up to five years, enabling comprehensive analysis of energy consumption over longer periods of time. The Shelly 3EM-63T is easy to install and requires no additional space on the DIN rail as the electronics and current transformers are integrated in a compact housing. The device also offers broad compatibility with over 200 smart home systems, making it a flexible solution for modern households.
7. Whatwatt Energiemessgerät
The Whatwatt WiFi Energy Meter is an advanced device for monitoring and analysing energy consumption. It enables precise measurement of energy consumption and offers a user-friendly interface via WiFi and RJ-45 (LAN). With the integrated smartphone app, users can calculate their energy costs in real time and conveniently monitor consumption from their mobile device. The device supports various smart meter interfaces and is compatible with iOS and Android devices, enabling seamless integration into existing smart home systems. It also offers the option of local data storage on a micro SD card, which increases data security and makes it easy to analyse consumption data. Power is supplied via a USB-C cable, which is included in the scope of delivery, while the adapter is available separately.
8. Max Hauri Energy meter 220-240V max. 2300W
Energy measuring device. Voltage: 220-240V. Power: max 2300W. Additional feature: enhanced touch protection. This energy measuring device is designed to measure the energy consumption of the connected appliance and calculate the resulting electricity costs. The electricity price is freely programmable. Important additional data such as power, voltage, current, power factor, frequency, and operating time can be easily accessed. An ideal device for implementing targeted energy-saving measures.
9. Voltcraft SEM6000 CH
Elegant design meets top precision. The VOLTCRAFT SEM6000 CH BT energy cost meter offers the perfect compromise between design and functionality. Hidden within the compact 55 by 55 millimeter pure white housing of the SEM6000 CH is high-quality measurement technology that accurately measures power consumption and power factor to three decimal places.
Current energy consumption at a glance: Thanks to the simple LED ring, seamlessly integrated into the housing, you can easily see the current energy demand of the connected device. The color of the LED ring ranges from deep green to red, changing according to energy consumption. Green indicates low consumption, while red signals high energy demand.
Consumption analysis in your preferred file format: You can easily and conveniently convert the energy consumption data into various Office and Google formats in the form of graphs. Whether you want to analyze days, weeks, months, or years, it’s all possible.
Your smartphone becomes a remote control: Turn the VOLTCRAFT SEM6000 CH on and off effortlessly using your smartphone or tablet. This way, it not only serves as an energy cost meter but also transforms your device into a remote control.
Automated switching of connected devices: Do you want your lighting to automatically turn on at 8 PM and off again at 6 AM? No problem. Program the switching times conveniently through your smartphone or tablet. You can program a total of 12 switching times (either on or off) for the SEM6000 CH. Each switching time can be set as a one-time event or with repetition (selecting the weekdays on which the switching time will repeat).
Special features: Bluetooth interface, data export, data logger function, cost forecast, adjustable electricity tariff, app control.
10. Shelly 3EM-63W Gen3
The Shelly 3EM-63W Gen3 (Wire Model) is an advanced three-phase energy meter specifically designed to accurately measure energy consumption in three individual phases. With a maximum load of up to 63 A and an accuracy of 99 %, this device fulfils IEC 62053-21 Class B standards. It enables real-time monitoring of power data such as current, voltage and power factor with a resolution of one minute. In addition, the Shelly 3EM-63W stores energy consumption data at hourly intervals for up to five years, enabling comprehensive analysis of energy consumption. The compact design integrates electronics and current transformer in one unit, minimising the space required on the DIN rail. Easy installation and advanced connectivity options make this device an ideal choice for modern smart home applications.
Product order
See all products