DC Digital Meter PZEM-025

DC Digital Meter PZEM-025 Overview

The DC Digital Meter PZEM-025 is a high-precision instrument for real-time monitoring and analysis of DC power systems. Designed for reliability and ease of use, the PZEM-025 measures voltage, current, power and cumulative energy with accuracy and stability suitable for professional and hobbyist applications.

Key Features of the PZEM-025

• Accurate measurements of voltage and current with ±1% accuracy.
• Wide measurement range: 0-300V and 0-100A to support most DC systems.
• Real-time LCD with backlight for clear on-site monitoring.
• Built-in data logging to record historical values for trend analysis and reporting.
• RS485 communication using Modbus RTU protocol for remote data access and integration into energy management systems.
• Multiple safety protections including overload and over-voltage safeguards.
• Compact, rugged housing for use in industrial, outdoor and residential environments.

Technical Specifications

• Voltage Measurement Range: 0-300V
• Current Measurement Range: 0-100A
• Power Measurement Range: 0-30kW
• Energy Measurement Range: 0-9999kWh
• Accuracy: ±1% (voltage and current)
• Display: LCD with backlight
• Communication Interface: RS485 (Modbus RTU)
• Power Supply: DC 6-80V
• Dimensions: 96mm x 49mm x 24mm
• Operating Temperature: -10°C to 50°C
• Storage Temperature: -20°C to 70°C

Connectivity and Integration

The PZEM-025 supports RS485 communication with Modbus RTU protocol, allowing simple integration into SCADA, PLCs, data loggers and building or solar monitoring platforms. Use the RS485 link to poll voltage, current, power and energy values remotely and log them centrally for analysis.

Quick Installation Guide

• Turn off power and isolate the DC circuit before installation.
• Connect the meter’s voltage input across the DC source (0-300V) according to the wiring diagram.
• Install the appropriate current shunt or sensor and connect the meter’s current input (0-100A).
• Wire the RS485 terminals for remote communication if required.
• Power the device with DC 6-80V and verify the LCD display shows readings.
• Follow user manual for calibration, Modbus address configuration and data logging setup.

Applications

• Solar power systems: monitor panel output, inverter input and storage status.
• Electric vehicles: track battery usage, charging and energy consumption.
• Battery management: monitor state of charge, discharge rates and total energy delivered.
• DC power supplies and labs: validate outputs and measure load behavior.
• Industrial automation: include in control panels for power monitoring and cost allocation.

Benefits and Why Choose the PZEM-025

• Reliable data: ±1% accuracy ensures trustworthy readings for decision making.
• Flexible integration: RS485 Modbus enables centralized monitoring and automation.
• Robust design: compact form factor and protective features make it suitable for harsh conditions.
• Cost effective: combines measurement, logging and communication in one device.

Ordering and Support

Invest in the DC Digital Meter PZEM-025 to improve visibility into your DC power systems and optimize performance. For installation help, configuration of Modbus communication or bulk ordering, contact our sales and technical support teams.

Note: Images are for illustration purposes only. Actual product design and appearance may vary.