iStore 1Ph Smart Meter
iStore 1Ph Smart Meter
- Standard din-rail mounting of DIN 35 mm
- Small volume,1P2W 36 mm
- LCD display, convenient for users to set and check
- Coupling connection for installation
- CT and RS485 cables included in accessories
- Overall power consumption ≤ 1 W
- Measurement accuracy: class 1
Availability:In stock
SKU IS-DDSU666-H-1PH
iStore 1-Phase Smart Meter DDSU666-H
The DDSU666-H is a single-phase smart energy meter designed for accurate real-time monitoring of electrical parameters in residential and small commercial solar PV systems. It integrates measurement and communication functions, enabling seamless connection with inverters and energy management systems.
Key Features
- Single-phase measurement (1P2W system)
- Real-time monitoring of voltage, current, power, and energy
- High accuracy digital sampling technology
- LCD display for easy on-site monitoring
- RS485 communication with Modbus-RTU protocol
- Supports energy flow monitoring (import/export)
- Compact DIN-rail mounting design
- Low power consumption
Applications
- Residential solar PV systems
- Small commercial energy monitoring
- Energy Management Systems (EMS)
- Load monitoring and energy optimization
Functions in Solar Systems
- Measures household energy consumption and solar production
- Supports export limitation (zero export control)
- Optimizes battery charging and discharging
- Provides real-time data to monitoring platforms
Technical Specifications
| Grid connection type | 1P2W |
|---|---|
| Nominal AC frequency | ≤ 0.8 W |
| Rated input voltage | 76 V AC ~ 288 V AC |
| Voltage accuracy | ±0.5% |
| Current accuracy | ±0.5% |
| Power accuracy | ±1% |
| Frequency accuracy | ±0.01 Hz |
Communication
| Interface | RS485 |
|---|---|
| Baud rate | 9600bps |
| Protocol | Modbus RTU |
General Data
| Dimension (w/h/d) mm | 100/36/65.5 |
|---|---|
| Weight (kg) | 1.20 |
| Operating temperature range | -25 ~ +60°C |
| Storage temperature range | –40 ~ +70°C |
| Relative humidity range | 5% RH ~ 95% RH (non-condensing) |