1Hz-500kHz DDS Signal Generator with Schumann Resonator, Portable Multifunction Waveform Generator with AC/DC Power, Ideal for Oscilloscope Calibration, Audio Testing, and Stress Relief

描述

⚡ Elevate your testing game with precision and zen vibes!

This portable DDS signal generator covers an expansive 1Hz to 500kHz frequency range, delivering sine, square, triangle, and sawtooth waveforms with switchable filters for precise output. Powered by AC/DC or external batteries, it’s perfect for field or lab use. Unique to this model is the built-in 7.83Hz Schumann resonator, designed to enhance mental relaxation while providing stable, high-accuracy signals ideal for oscilloscope calibration, audio testing, and electronic circuit diagnostics.