Network analyzers
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Dedicated electronic systems
General description
Thanks to the use of advanced digital technology and high-visibility LED or LCD displays, these devices offer immediate and easily interpretable readings, allowing for prompt intervention in the event of anomalies or leaks. The ability to configure different inputs and integrate serial communication options allows for adaptation to different system architectures and supervision systems.
Robust, reliable, and compliant with major international standards, our network analyzers are ideal for electrical panels, industrial plants, automation systems, and energy infrastructures, helping improve efficiency, reduce consumption, and continuously monitor electrical performance.
Network Analyzers
Model Gallery
Model table
| Model | Typology | Display | Format | Measuring range | Main applications |
|---|---|---|---|---|---|
| ANR-4 | Single-phase/three-phase network analyzer | 4 digit LED | 96×96 mm – DIN rail | Voltage, current, active/reactive power, energy | Electrical panels, industrial and civil systems |
| ANR-4C | Network analyzer with configurable inputs | 4 digit LED | 96×96 mm – DIN rail | Voltage, current, power, cosφ, network quality | Energy supervision and load monitoring |
| ANR-7 | Multifunction network analyzer | 7 digit LED | 96×96 mm – DIN rail | Active and reactive energy, instantaneous power, voltage, current, frequency | Complete monitoring of single-phase and three-phase networks |
| ANR-7C | Multifunction analyzer with serial communication | 7 digit LED | 96×96 mm – DIN rail | All electrical quantities + RS485/Modbus communication | Integration into SCADA systems and industrial automation |
FAQ – Frequently Asked Questions
Ask people with decades of experience
We have been operating in the field of electronic instruments for measuring electrical quantities since 1951, constantly evolving alongside technology and the needs of industry. For any technical questions or support requests, our team is available to provide advice and tailored solutions.
Typical applications of network analyzers
Below are some of the main applications of network analyzers, instruments designed for the continuous monitoring of electrical parameters in single-phase and three-phase systems. The contexts described represent recurring operating situations in industrial, civil, and infrastructure settings, requiring accurate and up-to-date information on the status of the electrical grid, energy consumption, and power quality. The examples provided are indicative and demonstrate how network analyzers can be integrated into electrical panels and supervision systems to support control, safety, and optimization of system performance.
Network monitoring in the general electrical panel
In a plant’s main electrical panel, the network analyzer is installed as a central control point for power distribution. From this location, the instrument acquires the fundamental parameters of the incoming power supply—voltage, current, power, frequency, and power factor—providing an immediate view of the overall status of the network. Connection is via current transformers for current measurement and, when necessary, via voltage transformers to adapt the measurement levels to the instrument.
This configuration allows for the rapid identification of anomalies such as overloads, voltage drops, or phase imbalances that could compromise the operation of downstream systems. The analyzer thus becomes an essential element for safety and business continuity, allowing operators to intervene promptly in the event of non-compliant conditions.
Supervision of energy consumption
In industrial plants and large buildings, network analyzers are used to continuously and accurately monitor electricity consumption. In addition to measuring instantaneous power, the instrument calculates active and reactive energy absorbed over time, allowing you to evaluate the system’s efficiency and identify any energy losses or waste.
This information is essential for cost optimization and energy management based on efficiency criteria. The analyzer also allows for consumption comparisons between different departments or production periods, supporting technical decisions and targeted interventions such as improving power factor correction or load redistribution.
This configuration allows for the rapid identification of anomalies such as overloads, voltage drops, or phase imbalances, which could compromise the operation of downstream systems. The analyzer thus becomes an essential element for safety and operational continuity, allowing operators to intervene promptly in the event of non-compliant conditions.
Analysis of the quality of the electrical network
In the presence of nonlinear loads, such as inverters, electronic drives, or switching power supplies, power quality can be compromised by harmonic distortion, imbalances, or frequency variations. Power analyzers can detect these conditions and quantify their severity, providing useful data for diagnosing problems that could cause overheating, malfunctions, or a reduction in the useful life of equipment.
Power quality analysis is particularly important in sensitive or highly automated systems, where even small anomalies can cause machine downtime or process errors. The analyzer therefore becomes a prevention tool, allowing the causes of problems to be identified and appropriate corrective solutions to be adopted.
Integration with automation and supervision systems
Modern network analyzers are designed to communicate with control and supervisory systems via serial interfaces or industrial networks. Connected to PLCs, SCADA systems, or energy management platforms, they enable the centralized collection of electrical data and its analysis over time.
This integration allows you not only to view parameters remotely, but also to set alarm thresholds, generate energy reports and plan preventive maintenance interventions. In complex systems, the network analyzer becomes an integral part of the monitoring infrastructure, contributing to intelligent energy management and improving overall system reliability.
Monitoring of specific lines and loads
In addition to installation in the main panel, network analyzers can be used to monitor individual lines or high-power equipment, such as process machines, HVAC systems, pumping units or production lines. In these cases, the tool provides a detailed view of the electrical behavior of the load, allowing the identification of anomalous variations or inefficiencies related to the operation of the machine.
This decentralized approach allows us to isolate the causes of any energy problems and optimize the operation of individual users without intervening on the entire system. The analyzer therefore becomes a diagnostic as well as a measuring tool, useful for improving the reliability and operational management of electrical systems.
Basic connection diagram of network analyzers
The diagram represents a typical example of connection of a three-phase network analyzer for monitoring electrical quantities in an industrial plant. The voltages of the three phases are taken directly from the line or via voltage transformers (VT), while the currents are detected via current transformers (CT) installed on the phase conductors. The signals thus adapted are connected to the instrument inputs, allowing the simultaneous measurement of voltages, currents, powers and energy.
The analyzer processes the acquired data and makes it available via local display and communication interfaces, allowing integration with supervision systems, PLCs or energy management platforms. This type of connection allows continuous monitoring of the status of the electrical network, the identification of anomalies and the evaluation of the system’s energy performance. The diagram is indicative and provides a reference basis for understanding the integration of the network analyzer into electrical panels and distribution systems.
