BITUO TECHNIK / ENERGY MANAGEMENT

SPM01/FLEX Miniature Energy Meter

The SPM01 Miniature Energy Meter (Flexible Version) is ideal for installations where MCB-mounting compatibility with the circuit breaker is uncertain or when flexibility in installation is required. It is ideal for retrofit projects or installations with space or compatibility constraints

Product Type

SPM

Variants

- Space saving: Fits easily into new or existing power distribution boards without taking DIN-rail space

- Real-time Monitoring: Tracks voltage, current, power, and energy for efficient management 

- Large Aperture: Supports cable sizes up to 16mm² with a 9.6mm aperture for maximal 63A measurement.

- High-precision Measurement: Delivers accurate active energy measurements with a tolerance of 1%, ensuring precise monitoring of energy consumption.

- Seamless Connectivity: Supports Wi-Fi, Zigbee, and BLE, offering a range of connectivity options for integration into home or industrial energy management systems.

- Innovative Architecture: Combines a communication SoC with a metering MCU for OEM/ODM firmware customization

Download: Datasheet | Manual

KEY FEATURES

Tuya Wi-Fi, Open Wi-Fi, Zigbee, and RS485 connectivity options.

Integrated CT design supports streamlined panel installation.

Real-time monitoring for modern energy-management systems.

Configure SPM01/FLEX for your panel

Our technical team can help identify the right connectivity and installation option.

Parts & Specifications

Click the markers to uncover component details.

Core Capabilities

Hover over the image to view details.

SPM01-FLEX_Detail-01

Real-Time Monitoring

Slim 18mm DIN-rail module, compact split-core CTs, and pluggable terminals support a straightforward installation—ideal for space-constrained electrical panels and boards.

SPM01-FLEX_Detail-02

Easy Installation

Slim 18mm DIN-rail module, compact split-core CTs, and pluggable terminals support a straightforward installation—ideal for space-constrained electrical panels and boards.

SPM01-FLEX_Detail-03

Visual Energy Charts

Slim 18mm DIN-rail module, compact split-core CTs, and pluggable terminals support a straightforward installation—ideal for space-constrained electrical panels and boards.

SPM01-FLEX_Detail-04

Combo Communication

Slim 18mm DIN-rail module, compact split-core CTs, and pluggable terminals support a straightforward installation—ideal for space-constrained electrical panels and boards.

Technical Information

Detailed wiring diagrams and physical dimensions for your reference.

Select the Connectivity that Meets Your Needsplans

Everything you need, at every stage.

SPM01-*2TW (Tuya Wi-Fi)
SPM01-*2EW (Open Wi-Fi)
SPM01-*2TZ-U01 (Std. Zigbee)
Communication Type
Wi-Fi
BLE + Wi-Fi
Zigbee
Communication API
Tuya Proprietary
MQTT, HTTP, UDP, BLE, etc.
Standard Zigbee 3.0 Clusters / Attributes
Smart Home System Integration
Tuya/Smart Life
Home Assistant
Home Assistant, SmartThings, Homey
Commercial Project Integration
Tuya Cloud
Customer-specific cloud or Hub
Zigbee gateway
Wireless Communication SoC Firmware Customization
Yes (In collarboration with Tuya)
Yes (ESP32-8685)
Yes (EFR32MG21)
Recommended Users
Energy IoT Beginners
Professional DIYers, System Integrators
System Integrators
SPM01-*2TW (Tuya Wi-Fi)
Communication TypeWi-Fi
Communication APITuya Proprietary
Smart Home System Integration Tuya/Smart Life
Commercial Project IntegrationTuya Cloud
Wireless Communication SoC Firmware CustomizationYes (In collarboration with Tuya)
Recommended UsersEnergy IoT Beginners
SPM01-*2EW (Open Wi-Fi)
Communication TypeBLE + Wi-Fi
Communication APIMQTT, HTTP, UDP, BLE, etc.
Smart Home System Integration Home Assistant
Commercial Project IntegrationCustomer-specific cloud or Hub
Wireless Communication SoC Firmware CustomizationYes (ESP32-8685)
Recommended UsersProfessional DIYers, System Integrators
SPM01-*2TZ-U01 (Std. Zigbee)
Communication TypeZigbee
Communication APIStandard Zigbee 3.0 Clusters / Attributes
Smart Home System Integration Home Assistant, SmartThings, Homey
Commercial Project IntegrationZigbee gateway
Wireless Communication SoC Firmware CustomizationYes (EFR32MG21)
Recommended UsersSystem Integrators

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