DCEM-4MS Dual-Channel DC Energy Meter for Dual channel EV Charging Stations
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DCEM-4MS Dual-Channel DC Energy Meter is designed for power measuring and fiscal billing within an EV Charger station. This DCEM-4MS EV charger meter can measure DC currents (with direction), power, total electricity, voltage, forward and reverse electric energy, and each single-circuit electricity, etc. Voltage up to 1000V Max. current 500A Charging Data recording Charging Duration Monitoring Energy Accuracy class 0.2
The DCEM-4MS DC electric meter for EV Charger is 1-channel or 2-channel optional with a proven RS-485 interface. The Modbus RTU communication protocol can integrate measuring data with the management system of the EV charger. 0-75mV DC shunt, or 5A、20A、50A、100A、200A、300A、400A、500A DC Hall effect sensor can be selected to adapt to different application environments of customer.
Function & Feature of DCEM-4MS
I/U/P/PE, Max/Min, Demand measurement and time recording
LCD digital, RS485 Modbus RTU communication protocol access
2-way switch input monitoring, 2-way relay output (optional)
Supports second DC voltage and current input (optional)
Easy to install, 35mm standard DIN rail installation
Connected with DC shuns or DC hall effect sensors
IP54 panel protection & IP20 shell protection
Time-stamped event recording
Multi-rate electric energy metering
Optional DI modules
Electrostatic discharge immunity: IEC61000-4-2-III
Electrical fast transient burst immunity: IEC61000-4-4-IV
Shock(Surge) Immunity: IEC61000-4-5-IV
Specification
| Performance | Parameter | ||
| Enter Measurement Display | Distribution network | DC | |
| Voltage | Rating | 0-1000V | |
| Overload | Measurement: 1.2 times Instantaneous: 10 times/1s | ||
| Impedance | >1 kΩ/V | ||
| Rating | DC Shunt：0-75mV | ||
| current | Hall current sensor：5A、20A、50A、100A、200A、300A、400A、500A optional | ||
| Overload | Measurement: 1.2 times Instantaneous: 2 times/10s | ||
| Impedance | <100mΩ | ||
| Accuracy level | Class 1 or 0.5 | ||
| Clock (optional): | The daily error is less than 0.5 seconds | ||
| Display | Segment LCD display | ||
| Power supply | range | AC/DC85V~265V | |
| power consumption | ≤4VA | ||
| Output | Digital interface | RS-485, MODBUS-RTU protocol (optional 2-Channels RS-458) | |
| Pulse output | Optional 1 channel active electric energy pulse output,1 channel second pulse output | ||
| DI input (optional) | 2 DI, dry contact mode | ||
| Ri<500Ω turns on, Ri>100kΩ turns off | |||
| DI output (optional) | 2 DO relay | ||
| relay contact capacity: 5A/250V AC; 5A/30V DC | |||
| Environment | Working environment | -25~55°C Altitude ≤2000m,98%RH, no condensation, no corrosive gas | |
| Storage environment | -30~75°C | ||
| Safety | Withstand voltage | Input and power supply>4kV; input and output>4kV.power supply and output>4Kv. | |
| Insulation | Power supply to shell > 5MΩ | ||
Applications of DCEM-4MS DC Energy Meter
The DC energy meter can be used for various EV charging station applications from different brands to different KWh EV chargers. It can be used for 7Kwh EV chargers, 11KWh EV charging stations, 30KWh charging piles, 50kwh Charging piles, 60kwh charging stations, 90kwh charging stations, 120kwh charging stations, 150kwh charging stations, 180kwh charging stations, 240kwh charging stations, 350kwh charging stations, 360kwh charging stations, 480Kwh EV Charging stations, etc. Besides, it is compatible with all Brand EV Charging piles such as Ford, Tesla, Tata, Hyundai, Kia, Chevy, etc.
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