J2459-based student oscilloscope is the industry standard by the State Education Commission JY0011-90 to improve the design of small oscilloscope; Frequency response as DC ~ 3MHz, vertical deflection factor 50MVP-p / grid, can quantitatively test wave amplitude, the error is not more than 10%; Instrument is small, light weight, simple, portable, power, cheap and so is the middle school physical education, labor and technology teaching and staff teaching courses in the experimental group of students the ideal oscilloscope.