DESCRIPTION:

The Rohde & Schwarz NPA501-G is a professional single-phase power analyzer developed for engineers, test laboratories, manufacturers, and quality assurance teams requiring accurate and repeatable power measurements. As part of the R&S Essentials portfolio, the NPA501-G combines high measurement accuracy, advanced analysis functions, and comprehensive connectivity within a compact bench-top platform.

The instrument measures voltage, current, active power, apparent power, reactive power, power factor, frequency, energy consumption, harmonics, and inrush current characteristics. Its wide dynamic range allows accurate measurement of both ultra-low standby power consumption and high-power electrical equipment, making it suitable for consumer electronics, industrial equipment, power supplies, household appliances, and energy-efficient product development.

With a basic accuracy of 0.05% and a sampling rate of 500 kSa/s, the NPA501-G provides detailed insight into power consumption behaviour and transient events. Engineers can analyse startup currents, monitor long-term energy usage, evaluate efficiency, and identify power quality issues without requiring additional instrumentation.

The large colour display supports graphical measurement views including waveform displays, trend charts, harmonic analysis, and numerical measurement screens. Built-in analysis tools allow users to quickly visualise power consumption patterns and identify abnormal operating conditions.

The NPA501-G supports harmonic analysis up to the 50th harmonic, making it valuable for evaluating power quality and identifying distortion caused by switching power supplies, variable frequency drives, electronic loads, and modern electronic equipment. Integrated data logging and export functions simplify reporting and long-term monitoring applications.

USB, LAN, and GPIB interfaces provide straightforward integration into automated test systems and production environments. SCPI compatibility allows remote control and automated data collection for manufacturing, verification, and compliance-related workflows.

Keywords: Rohde & Schwarz NPA501-G, power analyzer, energy analysis, harmonic measurements, power quality testing, efficiency measurements

Rohde & Schwarz NPA Series Models

Technical Specifications

Key Features

• Single-phase AC and DC power analysis
• High-accuracy power measurements
• Power measurement range from 50 µW to 12 kW
• Voltage measurements up to 600 V
• Current measurements up to 20 A
• 500 kSa/s sampling rate
• Harmonic analysis up to the 50th harmonic
• Inrush current measurement capability
• Power factor and efficiency measurements
• Energy consumption analysis
• Waveform and trend chart displays
• Data logging functionality
• USB, LAN and GPIB connectivity
• SCPI remote control support
• Suitable for laboratory and production environments
• Compact bench-top design

Usage Suitability

The NPA501-G is ideally suited for power supply development, energy consumption testing, appliance testing, industrial equipment verification, production testing, quality assurance, power quality analysis, efficiency measurements, research laboratories, educational facilities, and automated test systems requiring GPIB connectivity and advanced power analysis capability.