RMDZW-3PNB
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Constructed with a rugged, flame-retardant housing, the meter complies with international standards (IEC 62053-22) and offers high accuracy (0.5S class) for both active and reactive energy measurement. The intuitive LCD display shows real-time data for each phase, while the Wi-Fi module allows remote access via a dedicated app or cloud platform, making it ideal for commercial, industrial, and large-scale residential applications requiring precise three-phase energy monitoring.
Three-phase Measurement: Simultaneously monitors voltage, current, active power, reactive power, apparent power, and power factor for each of the three phases, providing a comprehensive view of the electrical system's performance.
Wi-Fi Smart Connectivity: Directly connects to 2.4GHz Wi-Fi networks, enabling real-time data transmission to the cloud. Users can access live and historical energy reports, set consumption alerts, and export data for analysis via spreadsheets or APIs.
High Accuracy & Reliability: The 0.5S class accuracy ensures precise billing and energy audits, while the wide operating temperature range (-20°C to +60°C) and anti-magnetic interference design make it suitable for harsh industrial environments.
Demand Management: Tracks maximum demand (kW) over specified intervals (15-60 minutes), helping users identify peak usage periods and optimize load distribution to avoid costly demand charges from utilities.
Easy Installation: Features a DIN-rail mountable design and standard 4-wire connectivity (3 phases + neutral), with optional current transformer (CT) inputs for measuring currents beyond the meter's rated 100A. CTs are required for loads exceeding 100A, providing flexibility for large industrial setups.
Industrial Facilities: Used in factories, power plants, and manufacturing units to monitor three-phase machinery, motors, and equipment. Detailed phase-by-phase data helps identify unbalanced loads, power factor issues, and inefficiencies that could lead to equipment damage or increased energy costs.
Commercial Buildings: Installed in office complexes, shopping malls, and hotels to manage energy consumption across multiple floors or tenants. Property managers can allocate costs accurately based on real-time usage data and implement energy-saving strategies.
Renewable Energy Integration: Works with three-phase solar inverters and wind turbines to measure energy generation and consumption simultaneously, enabling users to optimize self-consumption of renewable energy and monitor grid interactions.
Utility Substations: Provides accurate data for power distribution companies to monitor grid stability, detect faults, and improve billing accuracy for three-phase commercial customers.
Q: What is the difference between 0.5S and 1.0 class accuracy?
A: The 0.5S class meter has a maximum error of 0.5% at rated current, making it more precise than 1.0 class (1% error), ideal for applications requiring detailed energy audits or billing.
Q: Can this meter be used with single-phase systems?
A: While it is designed for three-phase systems, it can technically monitor single-phase by using one phase, but this is not recommended. We offer single-phase smart meters for better compatibility.
Q: How many devices can connect to the meter's Wi-Fi simultaneously?
A: The meter acts as a client device connecting to your home or office Wi-Fi router, not a hotspot. Multiple users can access the data via the cloud platform as long as they have permission.
Q: Do I need a gateway or hub for the Wi-Fi connectivity?
A: No, the meter connects directly to your existing Wi-Fi router. Ensure the router is within range (up to 50m indoors, line of sight) and operates on 2.4GHz.
Q: How often is the data updated in the app?
A: Real-time data is updated every 10-15 seconds, while historical data (hourly, daily, monthly) is stored in the cloud and can be accessed at any time.
