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75mV dc voltage power distribution measurement unit 2 circuits photovoltaic kw electric energy meter

Name: 75mV dc voltage power distribution measurement unit 2 circuits photovoltaic kw electric energy meter
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Product Description

DJSF1352-RN DC Dual-circuits Monitoring DIN Rail Energy Meter

Products Description

● Measurement: kWh, kVarh, Power, Current, Voltage and etc
● Current Rating: -/75mV (with Shunt); -/4~20mA (with Hall Sensor)
● Voltage Rating: 0~1000V DC
● Application: DC Battery; Charging Pile; Solar PV and etc
● Communication: RS485 (MODBUS-RTU)
● Extra Function: Dual DC Circuits Monitoring; Secondary RS485 (MODBUS-RTU); Built-in Bipolar Power Source (for Hall Sensors);
DO/DI Function
● Display: LCD Display
● Dimension: 72*71*87.8mm (L*W*H)
● Installation: 35mm DIN Rail
● Power Supply: 85~265V AC/DC; 24V(±10%) DC; 48V(±10%) DC
● Standard&Certificate: CE

DJSF1352-RN rail-mounted DC power meter with double DC input channels, designed for telecommunications base stations, DC charging piles, solar photovoltaic and other applications, this series of meters can measure the voltage, current, power and forward and reverse energy and so on in the DC system.The actual use of the site, you can measure the total power, but also measure the energy within a specified period of time. The test results can be used for local display, but also with industrial control equipment, computers to form a measurement and control system. The meter can have infrared communication interface and RS-485 communication interface, and supports Modbus-RTU protocol and DLT645-97 (07) protocol at the same time. The meter can have relay alarm output and digital input function;You can set the ratio, alarm, and communication through the meter panel keys according to different requirements.The meter can have event recording of switch (Modbus protocol), programming and event setting records (645 protocol), instantaneous and timing freeze function of data (645 protocol), maximum and minimum value recording function of voltage and current power.

Dual Independent DC Circuits Monitoring
● For Twin EV Charger&Battery
● Voltage Input:DC 0~1000V
● Current Input (by Shunt): 0~75mV
● Current Input (by Hall Sensor): 0~5V, 0~10V, 0~20mA, 4~20mA

Built-in Bipolar Power Source
● Power Supply for Hall Effect CT
● Range: DC -12V ~ DC +12V

Optional Dual RS485 Communication
● Protocol: MODBUS-RTU
● 1 RS485 (standard)

DO/DI Function
● 2 DO (2A/30V DC; 2A/250V AC)
● 2 DI (dry contact)

LCD Display
● Parameter Display
● Programming Interface

Keypads HMI for Programming
● Parameter Display Setting
● Communication

Technical Parameter

Technical parameters			Index
Input	Nominal value	Voltage input range	Current input
				DC0-1000V	Shunt:0-75mV Hall sensor:0-20mA,4-20mA,0- 5V,0-10V and so on.
		Overload	1.2 times rated(continuous);2 times rated/1 second;
		Power consumption	Voltage:≤0.2VA, Current:≤0.1VA
Accuracy class			class 1
Function	Display	8-bit segment LCD screen (LCD)
		Communication Interface	RS485, infrared
		Communication protocol	Modbus-RTU，DL/T 645-2007
		Switch	Switch output	2 Relay outputs, 2A/30VDC or 2A/250VAC
				Switch input	2 dry contact inputs
		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	AC/DC 85-265V or DC24V(±10%) or DC48V(±10%)
		Power consumption	≤ 3W
Power frequency withstand voltage			Power supply // Voltage input // Current input // Relay output and switch input // Communication interface / / Pulse output 3kV/1min Power supply // Relay output // Voltage input // Current input 3kV/1min Pulse output // Communication interface // Switch input 2kV/1min
Insulation resistance			≥ 40M Ω
Average barrier-free working hours			≥50000h
Environment	Temperature	Normal operating temperature: -25 °C ~ +55 °C; Limit working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃～+70℃
		Humidity	≤93%RH, no condensation, no corrosive gas
		Altitude	≤2500m

Maximum power	999.9W	10000	imp/kWh
		9.999kW	1000	imp/kWh
		99.99kW	100	imp/kWh
		999.9kW	10	imp/kWh

Wiring Illustration

Wiring with Shunt

Wiring with Hall Sensor

Dimension & Installation

Note: The second DC input channel and DI and DO functions are optional.

The meter is designed by standard DIN35mm rail mounted.

Solution Structure

Solor PV Power Distribution Monitoring Solution

Practical Application in Solar PV with Energy Storage Inverter

Practical Application in Solar PV with on-grid Inverter

Practical Application in Twin EV Charger

Certification

Company Profile

FAQ

Company Profile

Acrel Electric Co., Ltd

Acrel Electric Co., Ltd Ltd. [Stock Code : 300286. SZ] is a high-tech enterprise concentrating on research, production, sales and services. It mainly provides systemic solutions of energy efficiency management and electrical safety for users. ‘Acrel’ is equipped with the complete production lines from cloud platform software to sensors. Until now, it has more than 8000 sets systemic solutions used in China to help users to realize energy visual management ,supply energy data services and improve electrical efficiency and safety. ‘Acrel’ has maintained steady growth since its listing in 2012. The company will adhere to the concept of ‘innovation,high-efficiency,unity and honesty’ and it provides more high-quality solutions,products and service for power system users and micro-grid.

Acrel Energy Efficiency Management Systems include various cloud platforms for substation operation and maintenance, electrical safety, environmental equipment monitoring and prepaid management, and many systems and related products such as intelligent transformer and distribution monitoring system, power quality management system, building energy consumption management systems, industrial energy management and control platform, leakage fire monitoring system, fire power monitoring system, fire resistant door monitoring system, emergency lighting and evacuation instructions system, charge management system for charging piles, dynamic monitoring system for data center , intelligent lighting control system,IT distribution insulation monitoring system and so on.

In order to quickly respond to customers’ demands, the company set up branches and offices in major cities in China and provides users with high-quality product experience.

Through years of accumulation and development, the company has won wide praise in product quality and service from customers at home and abroad.

Contact Us

Acrel Electric Co., Ltd: Contact nameShelly Zhang; Phone86-21-18702111813

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75mV dc voltage power distribution measurement unit 2 circuits photovoltaic kw electric energy meter

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