Digital Wattmeter Multifunctional Solar Plant Monitoring DC EV Charger Energy Meter with RS485 Modulus

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Product Description

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Basic Information

Model NO. DEM-3M1C Display Digital
Installation Direct Connected Electric Equipment Three-phase Four-wire
Theory Electronic Meter Measured Signal Continuous Wave
Accuracy Class 0.5 Operating Temp. -20~55c
Output Voltage 220V Phase Three Phase
Dimensions 104mmx50mmx63mm Certification RoHS, ISO, CE

Product Description

The meter featuring a white backlit liquid crystal display is a combined DC power measurement terminal designed for highly integrated DC parameter measurement applications. This DC energy meter with an integrated data logger accurately measures 1 DC voltage and 1 DC channel (with direction) using an external shunt. It monitors power, total electricity, and individual energy parameters, and can be equipped with a switch output.

Equipped with an RS485 interface, the meter supports the MODBUS-RTU communication protocol for seamless data upload of measurement values and equipment status. This DC voltage alarm meter is widely utilized in electric power, communications, railways, transportation, petrochemicals, and steel industries to monitor current and power consumption of DC equipment.

Key Features

High-precision measurement
Compact size & Easy installation
Standard 35mm rail installation
High security with high isolation voltage
Single-phase wiring support
Segment LCD with intuitive display
Powerful data acquisition & processing
Multi-level anti-interference measures

Technical Specifications

Voltage Input
Rated Value0-1000V
OverloadMeasurement: 1.2x | Instantaneous: 2x/10s
Accuracy0.5% FS
Current Input
Rated ValueShunt: 75mV (customizable)
OverloadMeasurement: 1.2x | Instantaneous: 10x/1s
Power Supply
Operating RangeAC/DC 85V~265V
Consumption≤4VA
Communication & Output
Digital InterfaceRS-485, MODBUS-RTU
Pulse OutputOptional 1 channel active energy
Environmental & Safety
Working Temp-25°C to 55°C, Altitude ≤2000m
InsulationInput/Output/Power > 5MΩ to chassis
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Product Showcase

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Frequently Asked Questions

What is the measurement accuracy of the DEM-3M1C?
The meter provides a high-precision measurement with an accuracy grade of 0.5% FS for voltage, current, and power.
How is the meter installed in a cabinet?
It features a standard 35mm DIN rail installation, making it compact and easy to integrate into various electrical panels.
Does it support remote data monitoring?
Yes, it comes with an RS-485 digital interface and supports the MODBUS-RTU protocol for remote data acquisition.
What is the voltage input range for this DC meter?
The rated voltage input range is 0-1000V DC, suitable for diverse industrial and renewable energy applications.
Can it handle harsh environmental conditions?
The meter operates efficiently between -25°C and 55°C and can withstand humidity levels up to 98% RH without condensation.
What type of display does the meter have?
It features a segment LCD screen with a white backlight, ensuring clear readability even in low-light environments.

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