Three Phase LCD Digital Voltmeter

Our Three Phase LCD Digital Voltmeter is an intelligent monitoring and measurement device designed for three-phase power systems. It integrates programmable three-phase voltage measurement, real-time display, and digital communication functions, enabling comprehensive monitoring of A/B/C phase voltage values. Adopting imported high-quality chips and integrated welding technology, it ensures 0.5-level measurement accuracy and stable performance. The flame-retardant ABS casing is sturdy, shock-resistant, and corrosion-resistant, suitable for long-term use in harsh industrial environments. It is widely used in industrial automation, power distribution, and energy management scenarios, providing reliable voltage parameter monitoring for electrical equipment.

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 Three Phase LCD Digital Voltmeter has undergone a full quality upgrade. Precision-engineered from the inside out, each component is meticulously inspected from material selection to final assembly. We utilize imported high-quality chips and integrated welding technology to ensure accurate metering and stable performance. The shell is made of high-strength flame-retardant ABS material, which is anti-aging, corrosion-resistant, shockproof, and flame-retardant. Each product undergoes strict aging test, accuracy calibration and withstand voltage test before leaving the factory. It can operate stably for a long time in harsh industrial environments, with stronger safety performance and longer service life.

STRUCTURAL ANALYSIS

The voltmeter adopts a compact and scientific structure, including 6 core components:

1.  TRANSPARENT PROTECTIVE COVER : Shields the display from dust and physical damage, ensuring long-term clarity.

2.  CONTROL BUTTON : Sensitive and responsive, supporting parameter setting, data query, and menu navigation.

3.  HIGH-DEFINITION LCD SCREEN : Large character display, clear three-phase voltage data visualization, strong anti-interference capability.

4.  HIGH-QUALITY CHIPS : Imported chips with integrated welding, ensuring 0.5-level measurement accuracy and stable performance.

5.  FLAME-RETARDANT CASING : High-strength engineering plastic, anti-aging, corrosion-resistant, providing reliable safety protection.

6.  TERMINAL BLOCK : High-conductivity material, firm installation, simple wiring, with strong overload resistance and wear resistance.

HIGH-DEFINITION LCD DISPLAY

Our voltmeter is equipped with a high-definition LCD screen with large character display. The three-phase voltage data (A/B/C phase) is clear at a glance, enabling easy reading in various installation angles. The instrument has strong anti-interference capability and high-precision stable measurement, ensuring accurate and reliable voltage parameter monitoring even in complex industrial environments.

IMPORTED HIGH-QUALITY CHIPS

Using imported high-quality chips and integrated welding technology, it ensures fast core processing speed, high precision, and stable performance. The measurement accuracy reaches 0.5 level, meeting international industrial measurement standards. Compared with other products, our chip solder joints are uniform and precise, avoiding loose, rough, and frizzy connections, ensuring long-term stable operation of the voltmeter.

OUR PRODUCTS VS. OTHER PRODUCTS

CORE ADVANTAGE

HIGH PRECISION : 0.5-level measurement accuracy, ensuring accurate monitoring of three-phase voltage parameters.

FLAME-RETARDANT CASING : High-strength ABS material, effectively preventing fires caused by short circuits and overloads.

EASY INSTALLATION : Snap-on mounting, multiple panel size options, simple wiring, quick deployment.

STABLE PERFORMANCE : Imported high-quality chips, integrated welding, strong anti-interference capability, suitable for harsh environments.

FOUR CORE SELLING POINTS

• FLAME-RETARDANT CASING : Anticorrosion, wear-resistant, insulating, and flame-retardant, ensuring long-term safe use.

• HIGH-QUALITY TERMINAL BLOCK : Firmly installed, simple wiring, good conductivity, high wear resistance, ensuring safe voltage transmission.

• HIGH-DEFINITION LCD SCREEN : Clear three-phase voltage data display, large characters, no cutting corners, more durable, easy to read.

• COMPLETE SPECIFICATIONS : Multiple panel size options (72×72mm / 80×80mm / 96×96mm), meeting the needs of different working conditions.

THE SHELL IS STURDY AND SHOCK-RESISTANT

The shell is made of high-strength engineering plastic, and the surface has undergone fine processing until it is smooth and burr-free, presenting a beautiful and elegant appearance. It has excellent shock resistance and compression resistance, can resist daily collision and mechanical vibration, and will not deform or damage. The material is anti-corrosion and anti-aging, suitable for long-term stable use in various complex industrial environments, with an operating temperature range of -20~70°C (up to 75°C).

FLAME RETARDANT ABS MATERIAL

The shell adopts high-performance flame-retardant ABS engineering plastic with excellent flame-retardant and insulation properties. It can effectively inhibit combustion and prevent fires caused by high temperatures generated by instruments due to faults such as short circuits and overloads, thus better ensuring the overall safety of the power system. The material is also anti-corrosion and anti-aging, with a long service life.

HIGH-QUALITY TERMINAL BLOCK

Using high-quality terminal blocks, it not only ensures strong conductivity but also reduces losses. The wiring is simple, allowing for easy and quick installation. The terminal blocks are firmly installed, not easy to loose under long-term vibration, with good wear resistance and overload resistance, ensuring safe and reliable operation of the voltmeter.

EASY TO INSTALL & SECURE WIRING

The voltmeter adopts snap-on installation, which is simple and quick, no need for complicated tools. Insert the meter into the panel aperture and secure with the included mounting clips. The high-quality terminal blocks are neatly arranged, with good conductivity and safe to use. The terminal layout is clear, with standardized marking, effectively avoiding wrong wiring. It is compatible with various distribution cabinets and electrical equipment, suitable for quick deployment in different scenarios.

PRODUCT DIMENSIONS

PRODUCT PARAMETERS

WIRING DIAGRAM & INSTRUCTIONS

WIRING INSTRUCTIONS

1.  VOLTAGE INPUT : The input voltage should not exceed the rated input voltage (100V or 400V). Otherwise, consider using a potential transformer (PT).

2.  PHASE SEQUENCE : Ensure that the input voltage and current correspond with each other, have consistent phase sequence, and are in the same direction.

3.  WIRING MODES : Supports both three-phase three-wire and three-phase four-wire configurations; set the mode in the meter to match actual wiring.

TERMINAL LAYOUT

•  PLUG-IN TERMINAL : Includes L/N power input, RS485 communication (A+/B-), and three-phase voltage inputs (UA/UB/UC/UN).

•  CRIMP TERMINAL : Optimized for direct wiring, with clearly labeled power, communication, and voltage measurement terminals.

AUTHORITATIVE CERTIFICATION

Our three-phase LCD digital voltmeter has passed professional laboratory testing and certification, in line with national and international industry standards. The whole production process implements strict quality control, including accuracy calibration, withstand voltage test, aging test and other links, ensuring the accuracy, safety and stability of each product. Authoritative certification provides a strong guarantee for global customers' bulk procurement and long-term cooperation.

WIDELY USED

Our three-phase LCD digital voltmeter is widely used in:

•  SUBSTATION : Real-time three-phase voltage monitoring and energy management

•  AUTOMATION EQUIPMENT : Industrial process control and voltage parameter monitoring

•  FLOW PRODUCTION : Factory voltage stability monitoring and management

•  DISTRIBUTION CABINET : Low-voltage distribution system voltage monitoring

•  RESIDENTIAL BUILDING : Apartment complex voltage usage management

•  DEPARTMENT STORE : Commercial building voltage metering and monitoring

FAQ

1.WHAT IS THE MAIN FUNCTION OF THIS PRODUCT?

It is mainly used for comprehensive monitoring of three-phase voltage parameters (A/B/C phase), with programmable measurement, display, and digital communication functions.

2.WHAT IS THE MEASUREMENT ACCURACY?

It adopts 0.5-level high accuracy, which meets international industrial measurement standards, ensuring accurate and reliable voltage parameter monitoring.

3.WHAT PANEL SIZES ARE AVAILABLE?

We offer three standard panel sizes: 72×72mm, 80×80mm, and 96×96mm, with corresponding installation apertures to meet different cabinet design needs.

4.WHAT IS THE INSTALLATION METHOD?

It supports snap-on panel mounting, with simple installation and disassembly, suitable for various distribution cabinets and electrical equipment.

5.DOES IT SUPPORT REMOTE COMMUNICATION?

Yes, it features an RS485 port with Modbus RTU protocol for seamless integration into SCADA and energy management systems, enabling remote voltage monitoring and data collection.

6.WHAT IS THE OPERATING TEMPERATURE RANGE?

The product can operate stably at -20~70°C (up to 75°C), suitable for various indoor and outdoor industrial environments.