DCEM-4MS Dual-Channel DC Energy Meter Supplier

Overview

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

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.

Why Choose Blue Jay for EV Charger Metering

1. Over 10 Years of EV Charging Metering Experience
Blue Jay has specialized in EV charging metering solutions for over 10 years of experience. Regardless of which solution best meets the application’s goals, we can support the further development and deployment of EV charging piles by creating or offering valuable DC meters to monitor the usage and effectiveness of these devices. Thus, most EV charger manufacturers choose our solutions for their high-performance metering requirements of electric vehicle (EV) fast chargers.

2. widely temperature environments Available
As you know, EV charging stations are installed in different environments, such as high temperatures. Our EV Charger DC energy meter can reliably be used for EV charging stations in various temperature environments.

3. High Precision & Independent Monitoring
The accuracy of this DC energy meter can reach 0.2 class. Moreover, with 1-2 channels, it can monitor and offer independent metering data.

Specifications of DCEM-4MS

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