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Transmisor de tensión trifásico con RS485 Modbus
Instrava Curated Instruments — Precision Three Phase Voltage Measurement You Can Depend On
At Instrava, we go beyond simply supplying instruments. Through our Curated Instruments approach, each three phase voltage transmitter is carefully selected from trusted manufacturers—ensuring accuracy, durability, and consistent performance in complex electrical systems.
Este three phase voltage transmitter with RS485 Modbus communication is designed for precise measurement and isolated signal transmission, providing reliable data for industrial automation, energy monitoring, and smart power systems.
Con nuestro Optimized Solutions philosophy, we help customers implement measurement technologies that improve efficiency, enhance system visibility, and support long-term operational stability.
Power Monitoring & Control Description
High-Precision Three Phase Voltage Transmitter for Power Systems
Engineered for industrial-grade performance, this three phase AC voltage transmitter measures multi-phase voltage signals and converts them into standard analog outputs (4–20mA / 0–10V) or digital signals via RS485 Modbus RTU.
Key Features & Benefits
- ±0.5% High Accuracy Measurement
Ensures reliable monitoring across three-phase power systems. - Three-Channel Analog Output (Isolated Transmission)
Outputs three independent 4–20mA signals, ideal for phase-by-phase monitoring. - Flexible Output Options
Admite voltage to 4-20mA converter, 0–5V, 0–10V, and current outputs. - Fast Response Time (≤400ms)
Enables real-time monitoring in dynamic power environments. - Wide Input Voltage Compatibility
Diseñado para 100V / 220V / 380V three-phase systems.
Aplicaciones típicas
- Three-phase power distribution systems
- Industrial automation & control panels
- Energy management systems
- Renewable energy installations
- Data centers & critical infrastructure
Engineered for Harsh Environments & Smart Monitoring Networks
Este RS485 Modbus three phase voltage transmitter is built to deliver stable performance under demanding industrial conditions while supporting digital transformation.
Advanced Performance Highlights
- Wide Operating Temperature (-40°C to 70°C)
Reliable performance in extreme environments. - Strong EMC Resistance & Low Ripple Output
Ensures stable signal transmission even in electrically noisy systems. - High Insulation Protection (≥2kVAC)
Provides safety and signal isolation across phases. - Low Power Consumption (≤5VA)
Efficient design for long-term operation.
Smart Integration Capabilities
- Seamless integration with PLC, SCADA, and IoT platforms
- Real-time data via Modbus RTU RS485 communication
- Admite AI-based energy analytics, anomaly detection, and predictive maintenance
Power Monitoring & Control Parameter
| Parámetro | Especificación |
|---|---|
| Precisión | ±0.5% |
| Tiempo de respuesta | ≤400ms |
| Input Voltage | 100V / 220V / 380V (Three Phase) |
| Frecuencia | 45–65Hz |
| Overload Capacity | Continuous 1.2Un, Instantaneous 2Un/1min |
| Consumo de energía | ≤5VA |
| Fuente de alimentación | AC/DC 80–270V, DC 19–50V |
| Absorption Power | ≤0.5VA per phase |
| Señal de salida | 4–20mA / 0–5V / 0–10V / 0–20mA |
| Output Load | Current ≤510Ω, Voltage ≥20kΩ |
| Output Ripple | ≤2× basic error |
| Comunicación | RS485, Modbus RTU, 2-wire, up to 9600bps |
| Temperatura de funcionamiento | -40°C to 70°C |
| Temperatura de almacenamiento | -40°C to 85°C |
| Humedad | ≤93%RH |
| Insulation | ≥2kVAC |
| Instalación | Panel / DIN Rail |
| Altitud | ≤2500m |
Instrava OEM/ODM
Instrumentos fiables. Soluciones que se adaptan a su aplicación.
Instrava se centra en ofrecer soluciones industriales fiables a través de productos cuidadosamente seleccionados, optimización basada en aplicaciones y personalización flexible. Seleccionamos instrumentos probados de fabricantes de confianza para garantizar una calidad constante, optimizamos soluciones basadas en condiciones de trabajo reales para resolver retos prácticos y ofrecemos configuraciones a medida para satisfacer las necesidades de aplicaciones específicas.
Combinando la experiencia en selección con la comprensión de las aplicaciones, Instrava ayuda a sus clientes a reducir riesgos, mejorar la eficacia y obtener resultados fiables en entornos industriales complejos.
¿Qué es un transmisor trifásico de tensión y cómo funciona?
A three phase voltage transmitter is a device that measures the voltage of a three-phase electrical system and converts it into standardized output signals such as 4–20mA, 0–10V, or digital communication signals.
It continuously monitors all three phases (L1, L2, L3) and provides real-time data for control systems, enabling accurate voltage tracking and system protection.
¿Por qué es importante un transmisor de tensión trifásico en los sistemas de control de potencia?
Three phase systems are widely used in industrial and data center environments due to their efficiency and stability. A voltage transmitter ensures continuous monitoring of voltage levels across all phases, helping detect imbalances, overvoltage, or undervoltage conditions.
This improves system reliability, protects equipment, and supports stable operation.
¿Cuáles son las señales de salida típicas de un transmisor de tensión trifásico?
Three phase voltage transmitters typically provide:
- Analog outputs: 4–20mA, 0–10V
- Digital outputs: Modbus RTU, Modbus TCP, or Ethernet
Analog outputs are commonly used for PLC/DCS systems, while digital outputs enable integration with SCADA, BMS, or DCIM platforms.
Where are three phase voltage transmitters used?
They are widely used in:
- Data center power distribution systems
- Industrial automation and manufacturing plants
- Renewable energy systems (solar, wind)
- Building energy management systems
In these applications, they provide critical voltage data for monitoring, control, and optimization.
How does a three phase voltage transmitter improve system reliability?
By continuously monitoring voltage across all three phases, the transmitter can detect abnormalities such as phase imbalance, voltage dips, or surges.
This allows operators to take corrective actions before equipment is affected, reducing the risk of downtime and extending the lifespan of electrical assets.
What is the difference between a three phase voltage transmitter and a voltage meter?
A voltage meter typically displays voltage values locally and is used for basic measurement.
A three phase voltage transmitter, however, converts voltage data into standardized signals that can be transmitted to control and monitoring systems.
This makes transmitters more suitable for automated systems, remote monitoring, and data-driven environments such as AI data centers.
Por qué elegir Instrava
Basados en la coherencia, no en las reclamaciones
Aplicaciones industriales
Estamos especializados en el análisis y la detección industriales, con una clara comprensión de los entornos operativos y los requisitos del mundo real.
Estrictos criterios de selección de productos
Cada instrumento se evalúa en función de su rendimiento, estabilidad e idoneidad para la aplicación, no sólo de sus especificaciones o precios.
Suministro fiable y calidad constante
Trabajamos con fabricantes de confianza para garantizar un suministro estable, una calidad constante y una entrega fiable.
Apoyo práctico basado en la experiencia
Nuestras recomendaciones se basan en el conocimiento de la aplicación, lo que ayuda a los clientes a evitar problemas comunes y lograr resultados fiables.
Instrava se ha creado para reducir la incertidumbre, de modo que cada decisión que tome sea más clara, segura y fiable.
