Product Details

DCEM-4MS Dual-channel DC energy meter is a highly integrated product for DC parameter measurement. When used with a shunt or external Hall sensor, it can accurately measure 1-2 channels DC voltages and 1-2 channels DC currents (with direction), power, total electricity, each single-circuit electricity, and other electrical parameters, and can be equipped with optional DI modules.

DCEM-4MS has RS485 and supports MODBUS-RTU communication protocol, which can upload the collected data and equipment status. DCEM-4MS is widely used in electric power, communications, railways, transportation, environmental protection, steel, and other industries to monitor the current and power consumption of DC equipment.

Function of DCEM-4MS

Measurement and calculation functions such as DC voltage, current, power, and forward and reverse electric energy.
Multi-rate electric energy metering function
Maximum demand measurement and demand time recording
Maximum value record: single-phase voltage, current, power maximum and minimum values, and occurrence time
Time-stamped event recording
power freeze
Supports RS485 interface MODBUS-RTU communication protocol, and one more RS485 port can be selected
2-way switch input monitoring, 2-way relay output (optional)
Supports second DC voltage and current input (optional)

Feature of DCEM-4MS

Various anti-interference measures.
Convenient and flexible system wiring.
Easy to install, 35mm standard DIN rail installation.
Powerful data collection and processing capabilities.
Intuitive Large-size LCD screen real-time measurement information.
High security and good reliability
A variety of anti-interference measures have been adopted during the design process to ensure stable operation in the power system environment. The electrostatic discharge immunity meets level 4; the electrical fast transient burst immunity meets level 4; the high voltage impact immunity meets level 4; the surge immunity meets level 3; the panel protection level meets IP54, and the shell protection level meets IP20.

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

Dimension of EV charging Station DC energy meter