DAQCN Single Phase Four Modular Din-Rail Mounting Electricity Energy 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
DM100SA-U	Class 1	127V 230V	5(30),5(40),10(60) 20(100),5(100)	0.02 0.04 0.08	AC voltage 4kv for 1 minute, 1.2/50us waveform impulse voltage 6kv

Description:

DM100SA-U Precision Energy Meter: Engineered for Universal Accuracy in Complex Electrical Environments

In an era where energy efficiency, operational cost control, and sustainability are paramount strategic concerns, the ability to measure electrical consumption with unerring precision is not just an operational function—it is a critical business intelligence tool. For facility managers overseeing sprawling industrial plants, energy auditors dissecting complex load profiles, utility providers ensuring fair billing, and engineers integrating renewable systems, reliable data is the absolute foundation for action. The DM100SA-U Precision Energy Meter is engineered to serve as this foundational pillar. It represents a sophisticated evolution in metering technology, meticulously designed to deliver Class 1 accuracy across an exceptionally broad spectrum of applications. With its versatile array of current specifications, industry-leading sensitivity, and robust construction, the DM100SA-U is more than a meter; it is a universal measurement node, capable of providing trustworthy, granular energy data from the smallest auxiliary circuit to significant single-phase loads, enabling mastery over energy usage and costs.

Certified Precision: The Gold Standard of Measurement Integrity

At the heart of the DM100SA-U's value proposition is its certified Class 1 accuracy, a benchmark defined by rigorous international standards such as IEC 62053-21. This certification is a binding guarantee that across its defined operational envelope, the meter's measurement error will not exceed ±1%. This level of metrological integrity is essential for any scenario where data translates directly into financial or operational consequences. It ensures confidence when sub-billing tenants, verifying energy savings from a new high-efficiency motor, calculating the precise return on investment for a solar installation, or complying with regulatory reporting requirements. This precision is achieved through a high-stability digital measurement core that employs advanced signal processing to accurately calculate true active energy (kWh), even when confronted with the harmonic distortions and non-sinusoidal waveforms commonly produced by modern variable-frequency drives, switch-mode power supplies, and other non-linear loads.

Unrivaled Versatility Through Expanded Current Range

A defining strength of the DM100SA-U series is its exceptional adaptability, offered through a carefully curated selection of current specifications: 5(30)A, 5(40)A, 10(60)A, 20(100)A, and 5(100)A. This expanded range provides an almost custom-fit solution for a vast diversity of applications:

• The 5(40)A and 5(30)A models are ideal for detailed sub-metering of individual machines, office suites, or retail units where base loads are moderate but precision is critical.
• The 10(60)A and 20(100)A models cater to larger commercial circuits, substantial HVAC units, or small industrial workshops, offering higher continuous current capacity.
• The 5(100)A model is particularly powerful, providing the high accuracy of a low base current (5A) with the ability to measure peak loads up to 100A. This makes it perfect for circuits with highly variable or intermittent high-power loads, such as welding equipment, large pumps, or commercial kitchens, often eliminating the need and associated cost/error of external current transformers.

Exceptional Sensitivity: Capturing the Complete Energy Picture

True energy management requires visibility into all consumption, not just the obvious loads. The DM100SA-U excels with its ultra-low starting current, as low as 0.02A (for the 5(30/40)A models). This remarkable sensitivity allows it to detect and accurately register the energy drawn by equipment in standby mode, LED lighting circuits, battery chargers, control systems, and network infrastructure—loads that are frequently the "hidden" contributors to energy waste. By making this phantom consumption visible, the meter enables targeted actions to reduce baseload, providing a complete and honest audit of where every watt-hour is consumed.

Industrial-Grade Durability for Demanding Installations

Built to deliver reliable performance year after year in electrically harsh environments, the DM100SA-U incorporates robust protection and safety features.

• Superior Electrical Strength and Surge Immunity: The meter's design ensures safety and data integrity. Its insulation withstands an AC voltage test of 4kV for one minute, guaranteeing user safety. Critically, it is fortified against real-world voltage transients, successfully enduring a 1.2/50µs impulse voltage test of 6kV. This level of surge protection, simulating lightning strikes or major switching events, ensures the meter continues to operate and preserve its data accurately through common grid disturbances, a vital feature for mission-critical monitoring points.
• Broad Voltage Compatibility: Supporting 127V and 230V reference voltages, the meter is adaptable to common single-phase power systems across different global regions and installation types.

Intelligent Integration for Modern Energy Ecosystems

The DM100SA-U is designed for the connected world. It typically features a clear, multi-parameter LCD display showing total active energy (kWh), instantaneous power (kW), voltage, current, power factor, and frequency. Crucially, it is equipped for seamless integration, commonly offering a pulse output (S0) for simple data logging and a standard RS-485 communication port with Modbus RTU protocol. This enables direct, bi-directional connection to Building Management Systems (BMS), centralized Energy Management Software (EMS), SCADA systems, or cloud-based analytics platforms. This connectivity facilitates remote reading, real-time monitoring, automated report generation, and the creation of a comprehensive, site-wide energy intelligence network.

Strategic Applications Across Key Sectors

The DM100SA-U’s precision and versatility make it an indispensable tool for a multitude of strategic applications:

• Industrial Manufacturing: For sub-metering specific production lines, large machine tools (CNC, presses), process heaters, and compressed air systems to identify efficiency opportunities and allocate energy costs accurately.
• Commercial Real Estate & Retail: Providing accurate, transparent energy billing for tenants in shopping malls, office towers, and mixed-use developments, while monitoring common area and anchor tenant consumption.
• Renewable Energy & Micro-Grids: Precisely measuring the output of commercial solar PV arrays or the consumption/export at a point of common coupling, essential for performance verification, incentive claims, and grid interaction studies.
• Data Centers & Telecommunications: Monitoring power usage at the cabinet or room level to calculate PUE (Power Usage Effectiveness) and track the efficiency of cooling infrastructure.
• Water & Wastewater Treatment: Measuring energy consumption of pumps, blowers, and clarifiers to optimize process control and reduce one of the facility's largest operational costs.

Conclusion: The Foundational Instrument for Energy Accountability and Intelligence

The DM100SA-U Precision Energy Meter is engineered to be the definitive source of truth for electrical consumption in complex environments. By combining certified Class 1 accuracy, unparalleled current range versatility, exceptional sensitivity to low loads, and robust communications in a single, durable device, it delivers a comprehensive solution for the most demanding measurement challenges. It empowers organizations to move from estimated utility bills to precise cost allocation, from vague sustainability goals to data-driven carbon reduction, and from reactive maintenance to predictive operational optimization. Investing in the DM100SA-U is an investment in financial control, operational insight, and strategic energy management—establishing a reliable, accurate, and intelligent foundation for a more efficient and sustainable future.

Applications:

Model DM100SA--U 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.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, it can display total energy consumption by step motor type impulse register. It has following features: good reliability, small volume, light weight,specious nice appearance,convenient installation,etc.This meter has already got the patent certificate from China State Intellectual Property Office at present.Patent certificate NO.ZL 2013 3 0556103.2, 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.