The GW Instek ASR-2050 GPIB is a high-performance 500 VA programmable AC/DC source engineered for R&D laboratories, automated test systems, and production environments. It provides both AC and DC output modes with high accuracy and stability, allowing engineers to simulate a wide variety of power line conditions. This includes voltage variations, frequency changes, and waveform distortions, making it ideal for evaluating power supplies, inverters, household appliances, and electronic components.
With built-in GPIB and RS232 interfaces, the ASR-2050 GPIB easily integrates into automated test setups, offering flexible remote control and data acquisition. Safety features such as over-voltage, over-current, and thermal protection ensure reliable operation under demanding conditions. Its compact design and user-friendly interface make it equally suitable for bench-top use or system integration.
Key Features:
500 VA programmable AC/DC source
AC and DC output modes with wide voltage and frequency ranges
Programmable waveform generation for real-world power simulation
Built-in GPIB and RS232 interfaces for automation and remote control
Precision measurement of voltage, current, and power parameters
LCD display with intuitive menu navigation
Over-voltage, over-current, and thermal protection for safe operation
Compact design for bench or rack integration
Compatible Applications:
R&D testing of power supplies, inverters, and UPS systems
Simulation of unstable utility power conditions
Automated production line testing with GPIB/RS232 integration
Laboratory and academic research environments
Included Accessories:
Power cord
User manual
Communication cables (RS232 and GPIB)
Optional rack mount kit
Compliance:
Conforms to international safety and EMC standards; suitable for ISO and GLP regulated laboratories.
Benefits for Users:
The ASR-2050 GPIB enhances test flexibility with both AC/DC output and built-in GPIB + RS232 communication, ensuring seamless integration into automated workflows while delivering precise, safe, and reliable power simulation.





