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As a professional manufacturer deeply rooted in the renewable energy sector, we understand that accurate bidirectional tracking is the heartbeat of any profitable solar installation. Legy’s DDS1607(S) Single Phase Bidirectional Energy Meter goes far beyond traditional unidirectional measurement. It acts as an intelligent financial ledger for your home or business, independently recording both the electricity drawn from the grid and the surplus green energy fed back into it. Designed explicitly for distributed photovoltaic (PV) systems, this Single Phase Bidirectional Energy Meter empowers users to monitor real-time generation efficiency and manage battery charging cycles effectively. We support comprehensive bulk procurement and OEM services, ensuring our meters integrate flawlessly with leading hybrid inverters and Energy Management Systems (EMS). Whether you are sourcing for rooftop solar arrays or off-grid microgrids, our engineering team provides the technical expertise needed to transform raw sunlight into measurable, monetizable data.
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Rate frequency |
50 or 60 Hz |
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Rated current |
10(40)A 5(60)A 10(60)A |
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Rate voltage |
120V / 220V / 230V /240V |
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Normal voltage range |
90%Un ~ 110%Un |
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Limits voltage range |
70%Un ~ 120%Un |
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Accuracy |
Class 1 |
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Pulse constant |
See meter |
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RS485 port |
MODBUS-RTU protocol,1200 ~ 9600bps,None parity,defaultt 9600bps |
When evaluating options to purchase a Single Phase Bidirectional Energy Meter, buyers must look for robust hardware capable of handling dynamic power flows. While its primary domain is residential and commercial solar PV systems, this versatile Single Phase Bidirectional Energy Meter also excels in battery energy storage systems (BESS) and EV charging stations. Many generic alternatives fail to distinguish between imported and exported energy accurately. In contrast, our DDS1607(S) features advanced digital sampling that precisely captures forward consumption and reverse generation without cross-contamination. Furthermore, the fully isolated RS485 port ensures that when connected to an EMS for anti-islanding protection or load-shifting strategies, the data transmission remains completely immune to high-frequency noise from inverters. By deploying this smart solution, system integrators can optimize self-consumption rates, prevent unauthorized backfeeding, and provide end-users with transparent energy analytics via mobile apps.
DDS1607(S) Single Phase Bidirectional Energy Meter for active energy for active energy adopt advanced large-scale integrated circuit IC and SMT manufacturing technology. They have following features: bi-directional or unidirectional energy measurement, wide voltage, anti-tamper, high accuracy and reliability, large overload, low self-consumption, small volume, light weight. The meter have RS485 communication port, can realize remote reading.
The Single Phase Bidirectional Energy Meter should be installed in suitable environment with ambient temperature range between-25°C+55°C, the relative humidity less than 75% and temperature limits between and-40°C +70°C.
The Single Phase Bidirectional Energy Meter is manufactured complying with international standard IEC62052-11 on "Electricity metering equipment (AC) General requirements tests and test conditions" and IEC62053-21 on "Static meters for active energy (classes 1 and 2)".
Measuring positive & negative active energy and display in LCD for step by step interval 3s.
With Reverse LED to show wire reverse connection.
Measuring active energy without calibration under long term operation
Internal connection of current and voltage
High reliability due to adopting high quality components
True expertise in bidirectional metering comes from relentless quality control during the manufacturing process. As a dedicated supplier, we enforce strict testing protocols for every Single Phase Bidirectional Energy Meter leaving our facility. Before assembly, each PCB undergoes Automated Optical Inspection (AOI) to detect microscopic soldering defects. Post-assembly, every unit is subjected to mandatory aging burn-in tests—running at full load for a minimum of 4 hours—to eliminate early-life component failures. Finally, we meticulously calibrate each meter against national standard reference equipment, guaranteeing an accuracy strictly within ±1%. We refuse to skip these critical validation steps to save production costs. These uncompromising manufacturing details translate directly into fewer warranty claims and higher end-user satisfaction for your business. When you partner with Legy for your next metering procurement, you are securing a vendor backed by verifiable factory audits, rigorous QA processes, and a proven track record in delivering reliable infrastructure assets.
In the realm of international procurement, authority and compliance dictate success. Our Single Phase Bidirectional Energy Meter is manufactured in strict accordance with IEC 62053 standards and carries CE and RoHS certifications, ensuring it meets the rigorous demands of global tenders. Beyond hardware excellence, Legy provides comprehensive technical backing for your bids. From exhaustive type-test reports to customized system architecture diagrams, we arm you with the documentation needed to win contracts confidently. Our proven track record in supplying reliable metering solutions to EPC contractors makes us an authoritative partner who understands the intricate requirements of large-scale infrastructure projects.
Trust is not given; it is earned through consistent performance and unwavering support. When you deploy this Single Phase Bidirectional Energy Meter, you are securing peace of mind. Every unit is backed by a transparent supply chain, secure trade assurance platforms, and a dedicated after-sales framework. For large-scale rollouts, we assign specialized project managers to oversee everything from factory acceptance testing to final commissioning. If you ever encounter an integration challenge, our senior engineers are ready to provide remote debugging assistance. Partnering with Legy means choosing a vendor who stands firmly behind every unit, protecting both your financial investment and your professional reputation.
In the highly regulated energy metering industry, our commitment to E-E-A-T is not just a marketing slogan; it is the foundation of our manufacturing philosophy. Experience: We have successfully deployed over two million Single Phase Bidirectional Energy Meters across diverse renewable energy sectors globally. Our engineers have personally resolved thousands of complex integration challenges in solar and BESS environments, giving us profound field experience. Expertise: Beyond basic assembly, we possess deep R&D capabilities in digital sampling algorithms and Modbus-RTU protocol optimization. We don't just build meters; we engineer solutions tailored to specific BMS architectures. Authoritativeness: Legy operates under strict ISO9001 quality management systems. Our products are fully certified by international bodies (CE, IEC), and we frequently collaborate with top-tier EPC contractors and utility providers, establishing our authority in the global smart grid supply chain. Trustworthiness: We guarantee transparency at every step. From using traceable premium raw materials (pure copper terminals) to offering secure trade assurance platforms and responsive after-sales SLAs, we ensure that every procurement partner can trust both the product's performance and our business integrity.
When sourcing a Single Phase Bidirectional Energy Meter, buyers often face a dilemma between cheap generic alternatives and expensive tier-one brands. Here is how Legy’s DDS1607(S) strategically outperforms the competition:
Material Integrity vs. Cost-Cutting: Many low-cost competitors use copper-clad aluminum (CCA) terminals to save pennies, leading to severe oxidation and fire hazards under continuous load. We strictly use pure copper, silver-plated terminals, matching the safety standards of high-end brands while maintaining competitive pricing.
Signal Stability vs. Standard Isolation: Generic meters often feature basic or no isolation on their RS485 ports, making them prone to data corruption from electrical noise. Our Single Phase Bidirectional Energy Meter features advanced optocoupler isolation, providing industrial-grade immunity against surges and ground loops, rivaling much more expensive models.
Protocol Flexibility vs. Rigid Firmware: While some manufacturers lock you into proprietary protocols, our meter natively supports open-standard Modbus-RTU. This ensures seamless plug-and-play integration with third-party SCADA/BMS platforms without costly middleware.
By choosing Legy, you bypass the hidden maintenance costs of cheap meters and avoid the inflated premiums of luxury brands, achieving the optimal balance of performance and ROI.
A: It utilizes independent registers to separately track forward (grid-to-load) and reverse (load-to-grid) active energy. This prevents data cross-contamination and ensures accurate net-metering calculations for utility billing.
A: Yes. Through its optically isolated RS485 interface supporting Modbus-RTU, it seamlessly exchanges real-time power data with inverters and EMS platforms to enable anti-backfeed and load-shifting functions.
A: Absolutely. We specialize in supporting international bids and brand building. Our team can customize the meter faceplate, laser engraving, and retail packaging to perfectly align with your brand identity.
The true value of our Single Phase Bidirectional Energy Meter is best demonstrated through real-world deployments. In a recent large-scale urban residential solar retrofit project, a property developer needed to upgrade an aging single-direction sub-metering system across a multi-story apartment complex equipped with rooftop PV. They deployed hundreds of our DDS1607(S) units integrated via RS485 bus to a central EMS. The optical isolation proved critical, as the building's old wiring generated significant electromagnetic interference. Post-installation, the facility manager achieved 100% automated net-metering billing accuracy and reduced monthly operational labor costs by over 70%.
In another scenario, a regional manufacturing plant required precise power monitoring for its new automated assembly line powered by a localized microgrid. Traditional wireless meters failed due to heavy metal shielding in the factory. By utilizing our robust wired Single Phase Bidirectional Energy Meter setup, the plant's engineering team successfully established a zero-latency data link to their SCADA system. This allowed them to pinpoint a faulty motor causing harmonic distortion, saving the company thousands in potential equipment damage. These cases highlight why industrial professionals consistently choose Legy for mission-critical energy management.
Every product undergoes strict quality inspection and performance verification before delivery. Our electrical measuring instruments are tested by the China Quality Supervision and Inspection Center for Electrical Measuring Instruments, an authorized professional testing organization, with official Test Reports and Reliability Prediction Reports issued for product validation.
The testing covers key parameters such as measurement accuracy, electrical performance, operational stability, and product reliability. Supported by recognized certifications including CNAS laboratory accreditation and national inspection qualifications, our products are designed to provide accurate measurement, safe operation, and consistent performance in various application environments.
Through certified testing procedures and rigorous quality management, we ensure every product meets international customers' expectations for reliability and durability.
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No. 199, Wei 12 Road, Yueqing Economic Development Zone, Yueqing, Zhejiang, China
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