The Eton Single/THREE PHASE Digital Display AC Meter is a high-performance multi-parameter monitoring instrument designed for modern power systems. It integrates advanced SMT (Surface Mount Technology) chip technology and integrated circuits, enabling real-time and precise measurement of AC voltage, current, and frequency  with 0.5-level accuracy. Available in both single-phase and THREE PHASE versions, it features a high-definition LED screen with large character display and sensitive MENU/DOWN/UP control buttons. With its compact structure, flame-retardant casing, and standardized panel installation, it is the ideal choice for real-time power parameter monitoring in industrial automation, distribution cabinets, and power grid projects.

Company Introduction

Committed to providing comprehensive services for industrial automation control. Satisfy the needs of all aspects of the power system with precise, reliable, energy-saving, and environmentally friendly intelligent power distribution products. We adhere to strict quality control from R&D to production, ensuring each product meets international standards, and strive to be a trusted partner for global customers in the electrical measurement equipment industry.

New Quality Upgrade & More Durable

Our Single/THREE PHASE Digital Display AC Meter has undergone a comprehensive quality upgrade. Precision-engineered from the inside out, each component is meticulously inspected—from high-quality raw material selection and precision processing to SMT chip welding and final assembly. This rigorous production process, combined with aging testing, eliminates potential quality risks. The result is a product that is highly secure, corrosion-resistant, and exceptionally durable, capable of long-term stable operation even in harsh industrial environments with short-term operating temperatures up to 75°C.

Structural Analysis

The Single/THREE PHASE Digital Display AC Meter features a scientifically optimized structural design, with four core components working in harmony:

1.  High-definition LED Screen : The core display area for real-time presentation of voltage (V), current (A), and frequency (Hz) data.

2.  Flame-retardant Casing : High-strength ABS outer shell providing structural protection and electrical insulation.

3.  Setting Buttons (MENU/DOWN/UP) : Sensitive, quick-response buttons for parameter configuration and data switching.

4.  Installation Buckle : Built-in snap-on structure for firm and tool-free panel fixation, facilitating quick maintenance.

High-quality Chips & Precise Measurement

Utilizing advanced integrated circuits and SMT (Surface Mount Technology) chip technology, this meter ensures unparalleled measurement accuracy. The high-performance industrial-grade chip delivers fast processing speed, high sensitivity, and strong anti-interference capability. It accurately captures real-time power parameters without delay, ensuring stable and reliable data output even in complex electromagnetic environments. This precision engineering guarantees that the meter meets the strict requirements of industrial-grade measurement applications.

Our Products vs. Other Products

Core Advantage

1.  Precision Work : Exquisite craftsmanship is applied to every detail—from the smooth matte casing to the precisely aligned terminal blocks. High-quality raw materials ensure consistent performance across all product batches.

2.  Sensitive Buttons : Equipped with MENU, DOWN, and UP buttons featuring quick response and comfortable tactile feedback. Operation is intuitive and efficient, allowing for easy parameter adjustment and function switching.

Four Core Selling Points

•  Flame-retardant Casing : Made of high-grade ABS material, it is anticorrosive, wear-resistant, insulating, and flame-retardant, effectively preventing fire hazards from short circuits or overloads.

•  High-quality Terminal Block : Copper core terminals ensure strong conductivity and low power loss. The clear marking and plug-and-play design enable simple, error-proof wiring.

•  High-definition LED Screen : 178° full-view large character display with no blind spots. Data remains clear and visible even in strong industrial lighting.

•  Complete Specifications : Available in single-phase/THREE PHASE versions and four standard sizes (48×48/72×72/80×80/96×96mm) to meet diverse installation needs.

The Shell is Sturdy and Shock-resistant

The casing of the meter is crafted from high-strength engineering plastic, undergoing fine surface processing to achieve a smooth, burr-free finish with a sleek, modern appearance. It boasts excellent shockproof and compression-resistant performance, capable of withstanding mechanical vibrations and slight impacts common in industrial sites without structural damage or performance degradation. Additionally, the material’s acid and alkali resistance ensures a long service life in various complex working environments.

Flame Retardant ABS Material

Adopting high-grade flame-retardant ABS engineering plastic, the meter’s casing meets stringent safety standards. Flame-retardant materials can effectively inhibit combustion and prevent the spread of fire caused by high temperatures generated by instrument faults such as short circuits and overloads. This design fundamentally eliminates fire safety hazards, providing a reliable safety guarantee for the entire power system and making it suitable for use in fire-prone industrial and commercial settings.

High-definition 178° Full Field of View

Equipped with a high-definition digital large-screen LED display, this meter features large, bright red characters for unparalleled clarity. The screen supports a 178° full viewing angle —readable from above, below, or any side with no blind spots—ensuring operators can read critical data quickly and accurately from any position. The instrument’s strong anti-interference capability ensures stable measurement and display even in the most complex electromagnetic environments.

High-quality Terminal Block

The meter is equipped with high-quality copper terminal blocks, designed for simple wiring and quick installation. The copper construction ensures superior conductivity, minimizing signal loss and heat generation. The terminals are neatly arranged with clear markings for "Input" and "Power", preventing wiring errors. The robust connection design resists loosening due to long-term vibration, ensuring a safe and stable electrical connection throughout the product’s lifespan.

Product Dimensions

Complete Specifications

Good quality builds a good reputation. Our Single/THREE PHASE Digital Display AC Meter is available in a full range of configurations to meet every application need. Choose from single-phase ammeters, single-phase voltmeters, or THREE PHASE multifunction meters , each offered in four standard panel sizes (48×48mm, 72×72mm, 80×80mm, 96×96mm). This complete product line ensures we have the perfect solution for your specific distribution cabinet or automation equipment requirements.

Product Parameters

Wiring Diagram

•  ① Single-phase Ammeter / THREE PHASE Multifunction Meter : Connect Live wire (L) to terminal 1 and Neutral wire (N) to terminal 2 for power supply. Voltage signal is connected to terminals 4 (+) and 5 (-).

•  ② Single-phase Voltmeter : Directly connect the measured voltage (U) to terminals 1 and 2.

The simplified wiring design with clear terminal markings ensures quick and error-free installation, suitable for both professional electricians and on-site maintenance personnel.

Authoritative Certification

The Single/THREE PHASE Digital Display AC Meter has passed multi-party professional inspections, including rigorous testing by the Jiangsu Institute of Metrology , and obtained authoritative certifications such as MA and CNAS. Strict quality control is implemented throughout the production process—from raw material procurement to finished product delivery—to ensure each meter meets national and international quality and safety standards. This reliable certification system provides a solid guarantee for bulk procurement and long-term cooperation with global customers.

Widely Used

The Single/THREE PHASE Digital Display AC Meter is a versatile monitoring solution widely applied across multiple industries:

•  Substation : Real-time monitoring of grid voltage, current, and frequency stability.

•  Automation Equipment : Power parameter monitoring for industrial robots and CNC machinery.

•  Flow Production : Tracking power status to optimize production line efficiency and safety.

•  Distribution Cabinet : Core monitoring component for low-voltage power distribution systems.

•  Residential Building : Monitoring THREE PHASE power supply for commercial and residential complexes.

•  Department Store : Ensuring stable power supply for elevators, lighting, and critical equipment.

FAQ 

1.  What parameters can this meter measure?

It is a multi-functional meter that can real-timely measure AC voltage (V), AC current (A), and power frequency (Hz)  with high precision.

2.  Does it support both single-phase and THREE PHASE systems?

Yes, the product line includes both single-phase models  (for voltage/current measurement) and THREE PHASE multifunction models  (for comprehensive THREE PHASE parameter monitoring).

3.  What size options are available for installation?

It is available in four industry-standard sizes: 48×48mm, 72×72mm, 80×80mm, and 96×96mm , compatible with most panel cutouts.

4.  What is the power supply range of the meter?

It supports a wide voltage power supply of AC 80~270V , making it adaptable to power grids in most countries and regions worldwide.

5.  How is the meter installed on the panel?

It uses a snap-on installation method —simply insert the meter into the pre-cut panel hole, and the built-in installation buckle will automatically lock it in place, no additional tools required.

6.  Is the display visible in bright sunlight or industrial lighting?

Yes, it features a high-brightness LED display with a 178° full viewing angle , ensuring clear data visibility from any direction, even in strong light conditions.