HUAWEI Smart Power Sensor DDSU666-H

Accurate Energy Monitoring
Tracks critical electrical parameters like voltage, current, power, frequency, power factor, and active and reactive energy to provide comprehensive system monitoring.
Real-Time Data Display
Featuring an LCD display presenting real-time readings, enabling immediate assessment of system performance.
Effective Communication
Utilizes RS485 communication with Modbus RTU protocol to smoothly integrate with inverters and other monitor devices for centralized data gathering and analysis.
Compact and Simple Installation
Features a DIN35mm rail mounting design, facilitating simple installation in various environments.
Low Power Consumption
With power consumption less than 1 W, it makes the system energy efficient.

Huawei Smart Power Sensor DDSU666-H is a single-phase energy meter that can provide precise monitoring and management of electrical parameters in photovoltaic (PV) systems. By providing real-time data on energy consumption and generation, it enables users to optimize system performance and enhance energy efficiency.

Product Features

Bidirectional Energy Measurement: Measures exported and imported energy with high accuracy, making it efficient in controlling the energy flow in grid-connected PV systems.
High Measurement Accuracy: Offers precise measurements with an accuracy of ±0.5% for voltage and ±1% for current, power, and energy, making it stable for performance analysis.
User-Friendly Interface: The LCD display on board facilitates easy visualization of electrical parameters and energy data, maximizing user interaction and system monitoring.
Flexible Communication Settings: Implements adjustable communication addresses and baud rates for adaptability to meet individual system requirements.
Robust Design: Designed to function effectively under the temperature range of -25°C to +60°C and relative humidity of 5% to 95%, ensuring ruggedness in diverse environmental conditions.

Application Scenarios

Residential PV Systems: Best suited for householders who need to monitor and manage their energy consumption and production, allowing them to make wise decisions to improve energy efficiency.
Commercial Buildings: Best for business buildings that wish to optimize energy utilization, reduce operational costs, and achieve sustainability goals through proper energy monitoring.
Industrial Facilities: Best for industrial buildings where proper energy measurement is required to monitor huge energy consumption and ensure compliance with energy regulation.

Technical Specifications

Parameter	Value
Power Grid Type	Single-phase (1P2W)
Input Voltage (Phase/N)	176 Vac ~ 288 Vac
Current Measurement Range	0 ~ 100 A
Power Consumption	≤ 0.8 W
Measurement Accuracy	Voltage: ±0.5%; Current/Power/Energy: ±1%; Frequency: ±0.01 Hz
Communication Interface	RS485
Communication Protocol	Modbus RTU
Operating Temperature Range	-25°C to +60°C
Relative Humidity	5% RH ~ 95% RH
Dimensions (W x D x H)	36 x 65.5 x 100 mm
Mounting Type	DIN35 Rail
Weight	1.2 kg