New Design Hot Selling Digital Only Watt Meter Single Phase Two Modules Kwh Meter

Quick Detail:

1. kWh Meter,Electronic Meter,Electricity Meter

2. It can accurate and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net

Model	Accuracy	Reference Voltage (V)	Current specifications (A)	Starting current (A)	Insulation performance
DM50S	Class 1	127V 230V	5(30)A,10(60)A, 5(100)	0.04	AC voltage 4kv for 1 minute,1.2/50us waveform impulse voltage 6kv

Description:

DM50S Energy Meter: Precision, Durability, and Versatility in Modern Power Measurement

In an era increasingly defined by energy consciousness, operational efficiency, and stringent cost control, the ability to accurately measure and monitor electrical consumption is no longer optional—it is a strategic necessity. For facility managers, production supervisors, energy auditors, and utility providers, precise data is the foundation for informed decision-making, identifying savings opportunities, ensuring fair billing, and optimizing the performance of electrical systems. The DM50S Energy Meter stands as a robust and sophisticated solution engineered to meet this critical demand. Exceeding the capabilities of basic meters, the DM50S delivers Class 1 accuracy, exceptional measurement sensitivity, and industrial-grade durability in a versatile package. It is designed to be the reliable, long-term sentinel of electrical consumption for a vast array of applications, from commercial and industrial facilities to renewable energy installations and multi-tenant buildings, transforming raw power flow into actionable, trustworthy intelligence.

Uncompromising Accuracy and Measurement Integrity

At the core of the DM50S's value proposition is its certified precision, a critical factor for any application where measurement integrity directly impacts financial or operational outcomes.

• Class 1 Accuracy Certification: The meter is manufactured and tested to achieve Class 1 accuracy as per international standards such as IEC 62053-21. This classification signifies a maximum permissible error of ±1% under specified reference conditions. This high level of precision ensures that recorded energy values are a true and reliable reflection of actual consumption, providing confidence for cost allocation, sub-metering, performance verification, and regulatory compliance. Whether monitoring a single piece of heavy machinery or an entire floor of offices, users can trust the data generated by the DM50S.
• Advanced Measurement Core: This accuracy is achieved through a high-quality digital measurement core, typically incorporating a dedicated metering chip that samples voltage and current waveforms at a high frequency. This allows for the precise calculation of active energy (kWh), ensuring reliable performance even with non-linear loads that can distort waveforms and challenge less sophisticated meters.

Exceptional Measurement Sensitivity and Range Flexibility

The DM50S is engineered to capture a complete picture of energy usage, from the smallest standby loads to substantial operational draws.

• Ultra-Low Starting Current: A standout feature is its exceptional sensitivity, with a starting current of only 0.04A. This means the meter can accurately measure and record energy consumption from even the most minimal loads, such as equipment in standby mode, small control transformers, or phantom loads. This capability is crucial for comprehensive energy audits and for identifying hidden sources of consumption that are often missed by less sensitive meters.
• Broad and Flexible Current Specifications: The meter is offered in multiple configurations to suit various installation scales: 5(30)A, 10(60)A, and 5(100)A. This notation indicates a high overload capacity. For example, the 5(100)A model has a base current (Ib) of 5A for optimal accuracy at lower loads but can withstand and measure currents up to 100A. This wide dynamic range makes a single meter model suitable for circuits where load can vary significantly, eliminating the need for external current transformers in many applications and simplifying installation.

Robust Construction and Superior Safety for Demanding Environments

Built to perform reliably over many years in diverse and sometimes harsh electrical environments, the DM50S prioritizes durability and safety.

• Rigorous Insulation and Surge Protection: The meter is designed to withstand significant electrical stress. Its insulation performance is verified by withstanding an AC voltage of 4kV for one minute, ensuring robust isolation between live parts and the user-accessible elements. More importantly, it is protected against high-energy transients by enduring a 1.2/50µs waveform impulse voltage test of 6kV. This test simulates the effects of lightning strikes or major switching surges on the power lines, demonstrating the meter's built-in resilience and its ability to continue operating reliably after such events, protecting both the meter's internal electronics and the integrity of its stored data.
• Universal Voltage Compatibility: With reference voltages of 127V and 230V, the DM50S is adaptable to common single-phase and split-phase power systems used across different regions and applications, from North American residential standards to common European and Asian commercial voltages.

Clear Data Presentation and Integration Capabilities

Modern energy management requires more than just a cumulative total. The DM50S is typically equipped with a clear, backlit LCD display that cycles through key parameters, including total active energy (kWh), current power (kW), voltage, current, and frequency. Many variants also feature pulse output (e.g., S0 interface) or communication options like RS-485 with Modbus protocol, enabling seamless integration into Building Management Systems (BMS), Energy Management Software (EMS), or SCADA systems for centralized monitoring, data logging, and automated reporting.

Strategic Applications Across Multiple Sectors

The combination of accuracy, sensitivity, and robustness makes the DM50S an ideal choice for a wide spectrum of applications:

• Commercial and Industrial Sub-Metering: Accurately allocating energy costs to different departments, tenants, production lines, or specific high-consumption equipment like HVAC systems, compressors, or industrial ovens.
• Renewable Energy Generation Monitoring: Measuring the output of rooftop solar PV systems (inverter AC output) or small wind turbines for performance verification, feed-in tariff reconciliation, and self-consumption analysis.
• Building Management and Benchmarking: Providing the core data for energy efficiency projects, tracking the impact of equipment upgrades, and complying with green building standards by monitoring base building and tenant loads.
• Utility and Distribution Monitoring: Deployed at the point of common coupling for smaller commercial customers or for monitoring distribution transformers to understand load profiles and losses.

Conclusion: The Foundational Tool for Data-Driven Energy Management

The DM50S Energy Meter is far more than a simple counting device. It is a precision instrument designed to provide the reliable, granular data that is essential for modern energy stewardship. By offering Class 1 accuracy, exceptional sensitivity to low loads, a wide measurement range, and robust protection against electrical disturbances, it delivers a compelling value proposition for anyone serious about understanding and controlling energy usage. Its versatile design ensures it can be deployed in countless scenarios, from a small retail shop to a large manufacturing plant. Investing in the DM50S is an investment in visibility—it provides the clear, accurate, and trustworthy data needed to reduce costs, improve efficiency, enhance sustainability, and make smarter operational decisions. In the journey toward optimal energy performance, the DM50S is the essential and reliable first step.

Applications:

Model DM50S single phase electronic DIN rail active energy meter is a kind of new style single phase two wire active energy meter, it adopt micro-electronics technique, and imported large scale integrate circuit, use advanced technique of digital and SMT techniques, etc. It has its completely independent intellectual property rights and minimum size. The meter completely accord with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053-21. It can accurate and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net. This meter has white backlight source eight digits LCD displays shows the active energy consumption. It has following features: good reliability, small volume, light weight, specious nice ap pearance, convenient installation, etc. This meter has already got the patent certificate from China State Intellectual Property Office at pre sent. Patent certificate NO. ZL 2012 3 0473501.3, any other country patent certificate are in assessing.

Competitive Advantage:

Advantages of Wenzhou DAQUAN Electric Co., Ltd

1. Innovation Leadership

With 258 patents and 27 years of industry experience, we lead in R&D of industrial control devices like relays and timers, ensuring cutting-edge product performance.

2. Global Certifications

Our products hold CE, ROHS, IEC, TUV certifications plus ISO9001, meeting strict international standards for seamless global market access.

3. Scale Supply Stability

Backed by a 7,800㎡ factory, 499-strong team, and 70M RMB annual output, we guarantee efficient production and timely delivery for bulk orders.