DJSF1352-D-600 MID DC Energy Meter for EV Charger

Product Description

The Acrel MID DC meter is a precision instrument designed to meet the growing demand for accurate direct current (DC) energy measurement in modern electrical systems. With the rapid expansion of renewable energy applications such as photovoltaic (PV) systems, electric vehicle (EV) charging infrastructure, and battery energy storage, reliable DC metering has become essential for both operational efficiency and regulatory compliance.

Engineered in accordance with the Measuring Instruments Directive (MID), the Acrel MID DC meter ensures high accuracy, transparency, and consistency in energy billing and monitoring. It provides real-time measurement of key electrical parameters, including voltage, current, power, and energy consumption, making it suitable for commercial, industrial, and utility-scale applications. Its robust design and advanced communication capabilities enable seamless integration into energy management systems, supporting remote monitoring and data analysis.

Overall, the Acrel MID DC meter represents a dependable solution for precise DC energy measurement, helping users optimize energy usage, improve system performance, and comply with international metering standards.

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Acrel MID certificate DJSF1352-D-600 is a DIN-rail DC energy meter for 600A EV-charging station, photovoltaic, and Battery Energy Storage systems. It simultaneously measures, displays, and records DC voltage (0–1000 V), bi-directional current (4–90 A primary, 600 A max), instantaneous power (kW), and cumulative active energy (kWh) with Class-1/B accuracy. A segment LCD and optional DJSF1352-L remote display module provide real-time readings of voltage, current, power, date/time, internal temperature, and both forward and reverse energy registers.Power-supply flexibility is ensured by a 9–36 Vdc auxiliary input consuming ≤3 W. Two galvanically-isolated RS-485 ports (RJ12 + screw terminals) support Modbus-RTU, DL/T 645-2007, and DL/T-698 protocols, allowing daisy-chain integration with EMS, SCADA, or OCPP back-ends. Programmable pulse outputs (100–300 imp/kWh) enable revenue-grade metering and MID certification workflows.Designed for harsh environments, the meter withstands –40 °C to +70 °C, 95 %RH non-condensing, 4.4 kV/1 min Hi-Pot, 6 kV surge, and ≥40 MΩ insulation. DIN-35 rail mounting, 0.5 N·m terminal torque, and shielded-twisted-pair cabling instructions simplify installation while minimizing EMI. Parameters—address, baud rate, parity, energy decimals, anti-tamper flags—are password-protected (0001 default) via on-board buttons or remote register writes.DJSF1352-D-600 delivers reliable sub-metering for solar combiner boxes, DC fast EV chargers, and industrial UPS systems.

Dimension & Wiring Diagram
DJSF1352-D-600 Parameters Input Value Voltage Input DC 0-1000V Current Input 4-600A Power Consumption Voltage: ≤0.2VA, current ≤0.1VA Accuracy Class B(Class 1) Function Display Segment LCD screen (LCD) Communication RS485 Modbus-RTU,DL/T 645-2007,DLT698 Pulse Output A second pulse output, a energy pulse output See the SYS->PLUS display in the meter menu settings. For example: The meter displays 100, which is 100imp/kWH Power Supply Voltage range DC 9—36V Power consumption ≤ 3W Power frequency withstand voltage Power supply // Signal input / / Other circuits 4.4kV/1min Impulse withstand voltage ±6KV Insulation resistance ≥ 40M Ω Average barrier-free working hours ≥50000h Environment Temperature Working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃~+70℃ Humidity ≤95%RH, no condensation, no corrosive gas Altitude ≤2000m

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DJSF1352-D-600 MID DC Energy Meter for EV Charger

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DJSF1352-D-600		Parameters
Input	Value	Voltage Input DC 0-1000V
		Current Input 4-600A
	Power Consumption	Voltage: ≤0.2VA, current ≤0.1VA
Accuracy		Class B(Class 1)
Function	Display	Segment LCD screen (LCD)
	Communication	RS485
		Modbus-RTU,DL/T 645-2007,DLT698
	Pulse Output	A second pulse output, a energy pulse output
		See the SYS->PLUS display in the meter menu settings. For example: The meter displays 100, which is 100imp/kWH
Power Supply	Voltage range	DC 9—36V
	Power consumption	≤ 3W
Power frequency withstand voltage		Power supply // Signal input / / Other circuits 4.4kV/1min
Impulse withstand voltage		±6KV
Insulation resistance		≥ 40M Ω
Average barrier-free working hours		≥50000h
Environment	Temperature	Working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃~+70℃
	Humidity	≤95%RH, no condensation, no corrosive gas
	Altitude	≤2000m