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Power Capacitors
- BY71 Series Cylindrical Capacitor
- BSMJ Series Self-healing Low Voltage Shunt Capacitors
- BY86 Series Controlled Intelligent Capacitor
- BYKXG/F Series Anti-harmonic Intelligent Capacitor
- BY81 Series Intelligent Capacitor
- BY82J Series Anti-harmonic Intelligent Capacitor
- BY89 Series Intelligent Capacitor
- Intelligent Controller Series
- Reactor
- Intelligent Switch Series
- Alternating Current Contactor
- Multifunctional power instruments
- Circuit Breaker
- APF/SVG/SPC Cabinet & Module Series
BY194E-AS4 Three Phase Smart AC Power Quality Multifunctional Energy Analyzer Meter with RS485
Specification of BY194E-AS4 Multifunctional Energy Analyzer Meter
| Model | BY194E-AS4 Multifunctional Energy Analyzer Meter |
| Operation Power Supply | Ensure a steady and reliable AC220V±10% power supply at 50/60Hz, allowing for consistent performance |
| Power Consumption | Remarkably efficient with power consumption of less than 1.5W, offering enhanced energy savings |
| Measurement Accuracy | Enjoy precision with a stunning RMS measurement accuracy of 0.5% grade |
| Operation Environment | Dependably operates within a temperature range of -10°C to 50°C, suitable for diverse environments |
| Storage Environment | Safely store the unit in temperatures ranging from -20°C to 75°C, ensuring longevity |
| Insulation Situation | Superior insulation greater than 5MΩ ensures safety and reliability |
Product Introduction of BY194E-AS4 Multifunctional Energy Analyzer Meter
As a cutting-edge Multifunctional Power Instrument designed to rival industry benchmarks like the Fluke Three Phase Power Quality Analyzer, the BY194E-AS4 delivers unparalleled precision in power quality measurement systems. Engineered for three-phase power applications, this Three Phase Analyzer integrates three-phase synchronous measurement capabilities to monitor three-phase voltage, current, and power parameters in real time. Its advanced harmonic and interharmonic analysis module identifies distortions up to the 63rd order, ensuring compliance with harmonic system standards while mitigating risks in electric power distributionnetworks. Ideal for data center power quality management and industrial electrical power engineering, the device supports wide-frequency domain power quality monitoring (0.1 Hz–10 kHz), enabling detection of transient disturbances, voltage sags/swells, and flicker. With embedded dynamic reactive power compensation control, it optimizes energy efficiency by autonomously adjusting capacitor banks or STATCOMs, reducing losses in 3-phase powersystems.
Unmatched Technical Precision for Complex Power Networks：The BY194E-AS4 excels as a Power Quality and Energy Analyzer by combining three-phase unbalanced adaptive correction with anti-interference and redundant design, ensuring reliability in harsh environments. Its power quality analyzer data logger captures high-resolution waveforms and trends (256 samples/cycle), critical for diagnosing intermittent faults in electric power distribution grids. The portable power quality meter features a ruggedized housing and dual-channel redundancy for mission-critical applications like renewable energy plants or three-phase technical services. Leveraging multi-protocol communication (Modbus, DL/T645, IEC 61850) and edge computing, the device processes data locally, reducing latency for grid-edge applications. Compatible with data center power quality monitoring platforms, it offers seamless integration with SCADA and IoT systems. Compared to the Fluke power quality analyzer, the BY194E-AS4 extends functionality with harmonic system resonance alerts and three-phase voltage imbalance auto-correction, minimizing downtime in manufacturing and healthcare facilities.
Future-Ready Solutions for Smart Grid Challenges：Positioned as a next-gen electrical power analyzer, the BY194E-AS4 addresses evolving demands in power quality electrical engineering through adaptive algorithms and scalability. Its three-phase smart AC power quality module supports wide-frequency domain analysis for sub-harmonics and interharmonics, crucial for EV charging stations and solar inverters. The power quality measurement system includes a three-phase power waveform capture tool with GPS-synchronized phasor measurement (PMU), enabling grid stability assessment across distributed networks. For dynamic reactive power compensation control, the device interfaces with SVG/SVC systems to maintain voltage profiles under fluctuating loads. Engineers benefit from its three-phase unbalanced adaptive correction feature, which auto-adjusts phase loads to improve PF and reduce neutral currents by up to 40%. With anti-interference shielding and IP67-rated durability, this power quality meter outperforms conventional tools like the Fluke three-phase power quality analyzer in noisy industrial settings. Whether optimizing data center power quality or enabling predictive maintenance in smart cities, the BY194E-AS4 redefines precision, reliability, and intelligence in 3-phase power diagnostics.
Main Features BY194E-AS4 Multifunctional Energy Analyzer Meter
- The multifunctional power instrument provides three-phase simultaneous measurement of voltage, current, power factor and energy consumption.
- Advanced power quality measurement system with harmonic and interharmonic analysis (up to 63rd) for precise grid diagnostics.
- Real-time dynamic reactive power compensation control to stabilize the power grid and reduce energy losses.
- Wide-band power quality monitoring (0-9kHz) for comprehensive detection of electrical anomalies.
- Three-phase analyzer with adaptive three-phase unbalance correction for optimized load sharing.
- Power quality and energy analyzers integrate edge computing to quickly process and analyze data on the device.
- Powerful anti-interference and redundant design ensure reliability in harsh industrial environments.
- Power quality analyzer data loggers support long-term recording of voltage sags, swells and transient events.
- Multi-protocol communication (Modbus, DL/T645) enables seamless IoT and SCADA system integration.
- Certified power analyzers for global compliance, protecting circuits and improving energy efficiency.
Product Advantages of BY194E-AS4 Multifunctional Energy Analyzer Meter
Advanced, accurate and comprehensive diagnosis
The BY194E-AS4 is an exceptional multi-function power meter that provides unmatched accuracy in three-phase simultaneous measurement of voltage, current, power factor, and energy consumption. Its power quality measurement system integrates wide-frequency domain power quality monitoring (0-9kHz) to detect anomalies such as harmonics, voltage flicker, and transient surges. As a three-phase analyzer, it excels in harmonic and interharmonic analysis (up to the 63rd), identifying distortions that affect grid efficiency. This power quality and power analyzer is also equipped with a power quality analyzer data logger that captures long-term data on voltage sags, swells, and interruptions for trend analysis. Engineers and utility companies rely on its accuracy to optimize energy utilization, reduce downtime, and comply with global power quality standards.
Smart Grid Optimization and Real-time Control
Designed to meet modern energy challenges, BY194E-AS4 combines dynamic reactive power compensation control and adaptive three-phase unbalance correction to stabilize the grid and minimize energy losses. Its embedded edge computing function processes data locally and responds quickly to load fluctuations without relying on cloud systems. As a power analyzer, it supports multi-protocol communication (Modbus, DL/T645, IEC 61850) and can be seamlessly integrated with SCADA, IoT platforms and smart grids. This power quality measurement system can also automatically diagnose faults and provide practical suggestions for proactive maintenance. Ideal for industrial plants and renewable energy farms, the device ensures efficient power distribution, reduces operating costs and enhances system resilience through real-time adaptive control.
Rugged, reliable and future-proof design
Designed for harsh environments, the BY194E-AS4 features an anti-interference and redundant design to ensure uninterrupted operation in high-noise industrial environments. Its power quality analyzer data logger stores years of operating data, which is essential for audits and compliance reports. As a power quality and energy analyzer, it provides plug-and-play compatibility with existing infrastructure, and its modular firmware supports remote updates to meet changing grid needs. This three-phase analyzer features a compact DIN rail mounting chassis, simplifying installation in crowded switchboards. Trusted by utilities and manufacturers around the world, this versatile power meter sets the benchmark for durability, scalability, and accuracy in protecting circuits, improving power quality, and advancing global sustainable energy management.
Product Wiring Method
Product Size Informations
| Model | A1 | A2 | Hole opening size |
| BY194U3*4 Three-Phase Voltmeter | 72mm | 72mm | 67×67mm |
Applications of BY194E-AS4 Multifunctional Energy Analyzer Meter
Industrial manufacturing facilities
The BY194E-AS4 Three-Phase Intelligent AC Power Quality Multifunction Power Analyzer is ideal for industrial manufacturing facilities that require accurate three-phase synchronous measurement and harmonic/interharmonic analysis to ensure operational efficiency. In environments with heavy machinery, variable frequency drives (VFDs), and non-linear loads, harmonic distortion can destabilize power systems, cause equipment overheating, and waste energy. The analyzer provides real-time THD (total harmonic distortion) monitoring and adaptive correction of three-phase imbalance, which is critical to maintaining load balance and reducing neutral current. Its dynamic reactive power compensation control optimizes power factor correction, minimizing utility penalties while improving energy efficiency. The device uses RS485 Modbus communications to seamlessly integrate into SCADA systems for remote monitoring, enabling predictive maintenance and reducing downtime. The anti-interference design ensures accuracy even in electromagnetically noisy industrial environments, consistent with the ruggedness of Fluke's CAT III/CAT IV rated tools
smart buildings and data centers
For smart buildings and data centers, the BY194E-AS4 is the cornerstone of energy management and power quality monitoring. High-density IT loads and UPS systems generate harmonics and transient voltages that can lead to downtime risks. The analyzer’s multi-function metering capabilities (voltage, current, power, energy) and harmonic spectrum analysis identify inefficiencies and enable active load balancing. Its adaptive three-phase correction function mitigates imbalances caused by uneven server loads, while dynamic reactive power compensation reduces distribution network losses. RS485 connectivity enables integration with BMS (Building Management Systems) and provides actionable insights via Modbus-RTU. Compared to Fluke’s portable analyzers, this fixed solution provides continuous monitoring to meet the needs of 24/7 data center operations. High-precision measurements ensure compliance with sustainability certifications such as LEED, while the anti-interference design ensures reliable operation in environments with strong electromagnetic interference (EMI).
Renewable energy systems (solar/wind farms)
In renewable energy systems such as solar PV arrays or wind farms, the BY194E-AS4 excels in power quality analysis and grid compliance. Fluctuations in solar irradiance or wind speed can introduce interharmonics and voltage instability, which the meter detects through three-phase synchronous sampling . Its dynamic reactive power control stabilizes grid interaction by managing inverter output, ensuring compliance with grid regulations. The RS485 interface supports integration with IoT platforms for real-time data transmission, which is critical for large-scale deployments. For example, in a 1500V DC environment (similar to Fluke's PV-focused tool ), the analyzer's anti-interference function mitigates inverter and transformer noise, while the adaptive unbalance correction function addresses phase irregularities caused by uneven power generation. This ensures optimal energy harvesting and reduces wear on the energy storage system.
Storage Workshop
Production workshop
Workshop Vedio
Baoyu Holding Co., Ltd
Baoyu Holding Co., Ltd. was founded in 2015 and is located in Wenzhou City, Zhejiang Province. The location is excellent and the transportation is convenient. We have very rich industry experience and is a trusted supplier. The company has advanced production equipment and skilled front-line employees. Our company is mainly engaged in the production and sales of power quality products，such as active power filters, static var generators, intelligent capacitors, power capacitors, reactive power compensators, composite switches, capacitor contactors, thyristor switches, reactors. Our company knows that the development of the company depends on the innovation and quality of the products. Therefore, our products have strict quality control from the procurement of raw materials to the sale of finished products. The company has established a quality management system that meets the requirements of the international quality management system. The company continuously releases the original innovations according to the market and customer needs, and always maintains the novelty and innovation of the products. The company wants the customer's thoughts and urgency. Solving problems for customers and meeting customer needs is our eternal pursuit! Our company's products are sold worldwide. The company has won the unanimous recognition of consumers with satisfactory product quality and perfect after-sales service. We have a professional R & D team. We can accept O E M and O D M.We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefits. We are looking forward to receiving your enquiry soon.
Workshop Strength: Intelligent Production and Quality Control System
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Intelligent Production Equipment
The company's workshop is equipped with a modern mold center, technology R&D center, and intelligent digital testing equipment, enabling full-process automated management from raw material processing to finished product assembly. For example, the production line adopts advanced CNC machine tools and automated assembly systems to ensure product precision and consistency. -
Strict Quality Control
Having passed the ISO international quality management system certification, the workshop has established multiple quality inspection procedures, including harmonic testing, dielectric strength testing, and temperature rise testing, to ensure that each device complies with international standards. It is worth mentioning that the company's products have been used in key domestic and international projects for a long time, and their quality stability has been verified. -
Flexible Production Capacity
To meet the diverse needs of overseas customers, the workshop supports small-batch customization and rapid delivery. For example, it can adjust product parameters according to the grid standards of customers' countries (such as 60Hz in Europe and the US or 50Hz in the Middle East) and provide multi-language operation interfaces.
Global Market Layout
The company's products have been exported to more than ten countries in Europe, Southeast Asia, the Middle East, etc., covering scenarios such as factories, petrochemical plants, and solar power generation. By participating in international exhibitions (such as the Russia HVAC Exhibition) and matchmaking conferences organized by the Zhejiang Provincial Department of Commerce, the company directly reaches overseas buyers and showcases its technical solutions.
Customized Solutions
The company provides "product + service" integrated solutions tailored to the grid environments and industry needs of different countries. For example, it designs high-protection-grade equipment for ship or airport projects or optimizes harmonic governance solutions for new energy projects. The technical team cooperates with top universities such as Zhejiang University and Shanghai Jiao Tong University in R&D to ensure technological advancement.
Business license
High-tech enterprise certificate
ISO management system certification
Corporate honors
Product certification certificate
Product testing report
Company patent certificate
Well-known domestic partners
