✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if Seco srl shuts down the app or the servers. Nothing here ties you to a single company's survival.
Works locally over Z-Wave — keeps running without the maker's cloud
Still in production
Based on how this device connects (local vs. cloud), whether it’s still sold and supported, and its app / subscription. A guide, not a guarantee.
Connectivity
Z-Wave
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The Wireless Energy Meter (WEM) is a smart device that performs quasi real-time measurements of the electricity consumption of the home by continuously monitoring the power line. WEM will be installed into the main distribution board, with the amperometric clamp closed around the live wire of a 1-phase system. This allows WEM to measure the line voltage and current, and thus compute the total power and energy consumption of the home. After a simple configuration phase, WEM starts reporting the measurement it takes to a central controller device, such as a home gateway, by means of the Z-Wave wireless technology. Z-Wave is a widespread and interoperable wireless home control technology based on the ITU-T 9959 open standard. WEM has an intuitive user interface, with a LED informing the user about its current state, and a push button to let the user issue the necessary commands. WEM can measure and report the following physical dimensions: Total Accumulated Active Energy (Wh), Instantaneous Active Power (W), RMS Voltage (V), RMS Current (A). WEM allows to fine-tune the way the measurements are performed and reported by means of several parameters, which can be set by most controllers on the market.
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The Wireless Energy Meter (WEM) is a smart device that performs quasi real-time measurements of the electricity consumption of the home by continuously monitoring the power line. WEM will be installed into the main distribution board, with the amperometric clamp closed around the live wire of a 1-phase system. This allows WEM to measure the line voltage and current, and thus compute the total power and energy consumption of the home. After a simple configuration phase, WEM starts reporting the measurement it takes to a central controller device, such as a home gateway, by means of the Z-Wave wireless technology. Z-Wave is a widespread and interoperable wireless home control technology based on the ITU-T 9959 open standard. WEM has an intuitive user interface, with a LED informing the user about its current state, and a push button to let the user issue the necessary commands. WEM can measure and report the following physical dimensions: Total Accumulated Active Energy (Wh), Instantaneous Active Power (W), RMS Voltage (V), RMS Current (A). WEM allows to fine-tune the way the measurements are performed and reported by means of several parameters, which can be set by most controllers on the market.
Hardware platform
ZM5202
Short description
The Wireless Energy Meter performs real-time measurement of power, energy, voltage, and current, and transmits them wirelessly to a central controller.
Product identifier
SYS-72027-ENL/01
Countries / regions
European Union
Certification number
ZC10-17115826
Configuration parameters
Parameter Number Name Description Format Size Min Value Max Value Default Value Parameter Values 5
Supports explorer frames
Yes
Supported command classes
Identifier Name Key Version COMMAND_CLASS_POWERLEVEL
Supported / controlled meter types
Meter Type Rate Type Description Electric meter
Value electric energy color value white association groups
Group Number Maximum Nodes Supported End Point ID Description 1
From to description 1 1000 volt x 0.1 6 res rms current res rms current is the minimum quantity (resolution) that triggers a report for active power. it can be used to tune the sensitivity of wem to changes in this physical dimension. 0 2 0 0 10 from to description 1 1000 ampere x 0.01 10 avg period avg period determines the time window used to compute an average over the line readings. each unit of avg period is worth 5 seconds. if avg period = 0 no average is computed and the last sample is returned. note that the maximum average window coincides with the minimum value of max rep interval. also note that a delay of up to the average window can be introduced in returning the measurements (each measurement is returned only when ready). 0 1 0 0 1 from to description 0 6 seconds x 5 3 max rep interval max rep interval is the maximum time that can elapse without sending a report. if no meaningful events occur, wem sends one full measurement every max rep interval seconds. 0 1 0 0 6 from to description 3 60 seconds x 10 4 res active power res active power is the minimum quantity (resolution) that triggers a report for active power. it can be used to tune the sensitivity of wem to changes in this physical dimension. 0 1 0 0 4 from to description 1 100 watt 8 clamp reversed clamp reversed is a read only parameter that the controller can query to learn about the current placement of the clamp. during the measurement phase, wem checks whether the clamp has been placed correctly or reversed (with regard to phase rotation). in the latter case, wem notifies the user with a different blink pattern and stores this information into the clamp reversed parameter. the clamp is placed correctly if clamp reversed = 0 and is reversed if clamp reversed = 1. if clamp reversed = 0x ff a fault occurred and it was not possible to detect the clamp position. 0 1 0 0 255 from to description 0 255 only 0,1, 255 (0x ff) are valid 9 enable crc16 enable crc16 provides for an extra layer of redundancy in order to protect low bit rate transmissions against radio channel errors. this applies to the reports and frames sent spontaneous by wem. requests from the controller are always answered as asked. wem will send crc16 encapsulated frames to the associated node if this has proved to support it and enable crc16 is set to 1. otherwise, reports will be sent with no extra crc16 encapsulation. 0 1 0 0 1 from to 0 1 texts
