Smart Metering & Monitoring
Advancing energy IoT with innovative PMDs
Power metering and monitoring devices (PMD)
with great installation flexibility
Electrical monitoring at sub / final distribution system is often limited by the space left at the existing distribution boards to install additional monitoring devices. The solution is to install add-on smart energy sensors directly above or bellow circuit breakers or to used smart circuit breakers/switches integrated with metering and monitoring functions.
In 2022 winter, Bituo Technik launched SPM01/02, an ultra-compact smart energy sensor offering Class 1 accuracy (IEC 61557-12 PMDs). With its compact form factor and extensive wired and wireless communication options, system integrators and installers can effortlessly integrate real-time electrical monitoring capabilities into existing distribution boards. For energy IoT transition, We will bring more innovative PMDs to the market.
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Add-on features requiring no Din rail space
The smallest energy monitors/meters perfectly fitting for home and small business
Thanks to its compact size and versatile communication types, SPM01/02 can be installed in both existing and new distribution boards to provide real-time energy monitoring for home energy management systems, building management systems or facility management systems.
Poles: 1P+N / 3P+N
Rated voltage Un:
~ 110-240 V (1P+N) / ~ 208-415 V (3P+N)
Rated frequency: 50/60Hz
Communication type: Zigbee | Wifi | Modbus
Max monitoring current Imax: 63 A
Over-voltage category: III
Rated impulse withstand voltage Uimp: 4kV
Energy measurement accuracy: Class 1 (IEC 61557-12)
Versatile communication options
significantly facilitating system integration
All our PMD product lines are designed to provide different communication options – Wifi, Zigbee, Modbus etc. Our patented platform enables our customers to seamlessly integrate our products into their respective cloud platforms and gateways.
Wifi + Ble (With ESP-32 SoC)
Zigbee (With EFR32MG21 SoC)
Modbus RTU (with isolated RS485 IC)
More communication options can be provided upon customer-specific requests.
The “MUST-installed” product for Home Energy Management Systems
Our PMDs can provide real-time electrical data for home energy management systems. SPM01/02 energy sensors can be installed at existing sub-power distribution boards and final distribution boards (consumer units) requiring no space at the DIN rail. The typical applications for our smart energy sensors include:
- Whole-home energy monitoring
- Solar power generation monitoring
- Optimized solar power export to Grid
- Dynamic load balancing with EV charger
- Electrical safety improvement
