Look for a rate at least 2.5 to 10 times your bandwidth for accurate waveform representation.
Deeper memory allows you to capture longer time windows while maintaining a high sample rate, which is crucial for finding intermittent glitches. buy used oscilloscope
This determines the highest frequency signal you can measure. For general hobbyist work, aim for at least 50–100 MHz . Look for a rate at least 2
If buying locally, perform these checks to verify functionality: For general hobbyist work, aim for at least 50–100 MHz
Check for dead pixels on LCDs or "screen burn" on older analog CRT displays. Top Used Models for Hobbyists (2026) Based on current market availability and community favor:
Buying a used oscilloscope can save you hundreds of dollars, but it requires careful testing to ensure you aren't inheriting someone else's "blown front end" or calibration nightmare.