Power Analyzers

Vitrek’s precision power analyzers redefine industry standards with cutting-edge technology designed for your most demanding power measurement challenges. From single-phase to multi-channel, our analyzers provide unmatched accuracy, high-speed sampling, and superior voltage and current self-heating compensation—ensuring precise and reliable measurements across a wide range of applications.

Engineered for complex power analysis, Vitrek’s power analyzers handle high crest factors, low power factor loads, and waveforms up to 5 MHz with ease. Whether you are testing power electronics, EV powertrains, aerospace systems, medical devices, or industrial machinery, our scalable solutions—expandable to thousands of channels—deliver the insights you need with confidence. Discover the difference that true precision and performance can make in your power measurements today.

Vitrek PA920 Ultra-High Accuracy (0.024%)
Multi-Channel Power Analyzer

See PA920

Vitrek PA910 High Accuracy (0.045%)
Precision Multi-Channel Power Analyzer

See PA910

Vitrek PA900 Precision Multi-Channel Power Analyzer

See PA900

XiTRON XT2640 Multi-Channel Harmonic Power Analyzer

See XT2640

Key Features and Benefits of Vitrek Precision Power Analyzers

Easy-to-Use Interface: Color touchscreen for quick setup, measurement configuration, and channel selection.

High Accuracy and Wide Frequency Range: 0.024% power accuracy with PA920 and UT card.

Compliance with Industry Standards: Supports key standards including:

  • EN60034-2-1:2014 (motor drives)
  • EN50564:2011 (standby power)
  • EN61000-3-2, 3-12, 4-7 (harmonics emissions)
  • RTCA DO-160/E/F/G (avionics)
  • Boeing 787B3-0147
  • Airbus ABD0100.1.8 (A380), ABD0100.1.8.1 (A350)

Harmonics Measurement: Displays up to 500 harmonics, with linear, relative linear, logarithmic, or relative logarithmic amplitude views.

Graph displaying up to 500 harmonics with options for linear and logarithmic amplitude scales

Power Data Screen: One-touch display for V, A, W, VA, VAR, PF, and more.

Power Data Screen showing voltage, current, power, power factor, and peak readings for selected channels.

Scope Screen: Waveform acquisition with up to six user-selectable signals.

Scope Screen displaying up to six waveforms with user-selectable scaling, offset, and color

Cycle View: Displays single-cycle waveforms with customizable amplitude and scaling.

Cycle View showing a single cycle of voltage/current waveforms with adjustable amplitude and scaling

History Screen: Continuous record of measurement results with up to four parameters.

History Screen displaying a continuous record of measurement results with up to four parameters

Built-in Standby Power Testing: Complies with EN50564:2011 and starts with a single touch.

Built-in Standby Power Testing compliant with EN50564:2011, activated with a single touch

Vector Screen: Visualizes fundamental voltage and current vectors for selected channels.

Vector Screen displaying fundamental voltage and current vectors for selected channels

FAQs on Power Analyzers

A power analyzer is a precision instrument designed to measure and analyze electrical power in AC and DC systems. It provides accurate readings of key parameters such as voltage, current, power, power factor, harmonics, and efficiency, making it essential for evaluating the performance of electrical devices, power electronics, and energy systems.

A multichannel power analyzer measures voltage, current, power, and other electrical parameters across multiple channels simultaneously. It is designed to analyze complex electrical systems, such as multi-phase motors, inverters, and power electronics, where multiple inputs need to be measured at once. By delivering synchronized data from multiple points, it enables precise efficiency analysis, power quality evaluation, and performance optimization across industries such as automotive, aerospace, renewable energy, and industrial automation.

A single-phase power analyzer measures voltage, current, power, and energy in single-phase electrical systems, commonly used for household appliances, consumer electronics, and small industrial loads. It monitors a single voltage and current pair, making it ideal for residential and commercial applications.

In contrast, a three-phase power analyzer is designed for industrial systems. It measures three voltage and current pairs to analyze power quality, phase balance, and harmonics. It is essential for industries like manufacturing, power grids, and renewable energy, where high power demand and efficiency monitoring are crucial. While single-phase analyzers are simpler and more affordable, three-phase analyzers offer advanced analysis for complex electrical systems.

A power meter and a power analyzer both measure electrical parameters, but they differ in functionality and depth of analysis. A power meter provides basic measurements such as voltage, current, power, and power factor, making it ideal for straightforward power monitoring applications. In contrast, a power analyzer offers advanced capabilities, including high-precision multi-channel measurements, harmonic analysis, waveform capture, and in-depth power quality assessments. Power analyzers are essential for testing complex power systems, optimizing efficiency, and ensuring compliance with industry standards in applications like R&D, motor testing, and renewable energy analysis.

Power analyzers measure a wide range of electrical parameters to assess performance, efficiency, and power quality in various applications. Key parameters include:

  • Voltage (V): Measures AC and DC voltage levels across circuits and devices.
  • Current (A): Determines the amount of electrical current flowing through a system.
  • Active Power (W): Represents the real power consumed by a device to perform useful work.
  • Reactive Power (VAR): Measures the power stored and released by inductive or capacitive components in AC circuits.
  • Apparent Power (VA): Measures the total power in a circuit, combining both active and reactive power.
  • Power Factor (PF): Evaluates the efficiency of power usage by indicating the ratio of active power to apparent power.
  • Energy Consumption (Wh, kWh): Tracks total electrical energy used over time.
  • Harmonics and THD (Total Harmonic Distortion): Analyzes harmonic distortion in a system, which can impact power quality.
  • Crest Factor: Indicates the ratio of peak voltage or current to its RMS value, essential for evaluating waveform distortions.
  • Phase Angle (°): Measures the phase difference between voltage and current, which impacts power factor and efficiency.
  • Frequency (Hz): Monitors the AC supply frequency, ensuring compliance with standard power system requirements.
  • Inrush Current: Measures the surge of current when a device is first powered on, which is crucial for motor and transformer testing.
  • Efficiency (%): Determines the ratio of output power to input power in energy conversion systems.

Power analyzers play a crucial role in various industries, ensuring accurate power measurement, efficiency optimization, and compliance with regulatory standards. Key industry applications include:

  • Renewable Energy: Used in solar inverters, wind turbines, and energy storage systems to evaluate power conversion efficiency and grid compliance.
  • Electric Vehicles (EVs) and Automotive: Measures power consumption, battery performance, and motor efficiency in EVs, hybrid vehicles, and charging stations.
  • Aerospace and Defense: Ensures precision power analysis for avionics, radar systems, and military-grade electrical components.
  • Industrial Automation and Machinery: Monitors motor drives, robotics, and factory equipment to enhance operational efficiency and reduce energy waste.
  • Consumer Electronics and Appliances: Tests energy consumption, power quality, and efficiency in devices like refrigerators, air conditioners, and power adapters.
  • Medical Equipment: Ensures accurate power measurement and safety compliance in devices such as MRI machines, ventilators, and laboratory instruments.
  • Data Centers and IT Infrastructure: Analyzes power usage in servers, UPS systems, and cooling equipment to optimize energy efficiency and uptime.
  • Power Generation and Distribution: Evaluates grid performance, transformer losses, and power quality in utilities and substations.
  • Research and Development (R&D): Supports innovation in power electronics, circuit design, and energy-efficient technologies by providing precise electrical measurements.

A power analyzer can replace multiple instruments used for electrical measurements, including voltmeters, ammeters, wattmeters, power meters, oscilloscopes, and harmonic analyzers. By combining voltage, current, power, power factor, harmonics, and energy efficiency measurements into a single device, a power analyzer simplifies testing, improves accuracy, and enhances efficiency in power analysis applications.

DC power analyzers and AC power analyzers differ in their measurement focus and applications. DC power analyzers are designed to measure direct current (DC) parameters such as voltage, current, power, and efficiency in applications like battery testing, solar energy systems, and electric vehicles. They provide highly stable and precise measurements for steady-state power conditions.

AC power analyzers, on the other hand, analyze alternating current (AC) systems, measuring parameters like RMS voltage and current, power factor, phase angle, harmonics, and frequency. They are essential for evaluating power quality, motor drives, inverters, and industrial power systems. Unlike DC analyzers, AC power analyzers handle dynamic waveforms and fluctuations in electrical signals.

Some advanced power analyzers offer both AC and DC measurement capabilities, making them versatile tools for comprehensive power analysis across various applications.

A portable power analyzer and a benchtop power analyzer differ primarily in their design, application, and mobility.

Portable Power Analyzer: Compact, lightweight, and battery-powered, portable power analyzers are designed for field use and on-site power quality assessments. They are ideal for troubleshooting electrical systems, conducting energy audits, and performing real-time diagnostics in industrial or commercial settings.

Benchtop Power Analyzer: Larger and designed for stationary use, benchtop power analyzers offer higher accuracy, expanded measurement capabilities, and advanced features. They are commonly used in research labs, product development, and compliance testing, where precision and comprehensive power analysis are required.

While portable analyzers prioritize convenience and mobility, benchtop models focus on precision and in-depth analysis for complex electrical measurements.