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Digital Storage Oscilloscope        CRT Digital Readout Oscilloscope       Dual-Time-Base
Dural Trace Generalized Oscilloscope                Small General Oscilloscope 

J2458
Main Characteristics:
1. J2458 model teaching oscilloscope is the small oscilloscope designed according to the industrial standard JY0011-90 of State Education Commission;
2. With frequency response of DC~5MHz and vertical deflection factor of 20mVp-p/case, it can make quantitative test for waveform range, and the error is not more than 10%
3. Characterized by small cubage, light weight, simple operation, convenient carrying, electricity-saving and cheap price, etc, the instrument is the ideal oscilloscope used for teaching and group experiments for physics and labor technology teaching of high school as well as employee teaching courses.



Main Technical Indexes:
Product Name
 Teaching Oscilloscope
Dimension and Weight
 300×165×190 (Height×Width×Depth), 3kg
Power Supply
  AC：220V±10%
Main Technical Indexes
 1. Frequency response of vertical system: DC: DC~5MHz≤3dB; AC: 10Hz~5MHz≤3dB
2. Deflection factor: 20mVp-p/case, error is ±10%
3. Input capacitance: 1M∥40PF
4. Damping multiplying power: 1, 10, 100 and 1000, error is ±10%
5. Input voltage withstand: 400V （DC+ACpk）
6. Scanning frequency: 10Hz~100kHz, four grades
7. Synchronization: positive insides, negative insides, synchronous outsides
8. Frequency response of horizontal system: 10Hz~500kHz≤3dB
9. Deflection factor: 100mVp-p/case
10. Input capacitance: 1M∥60PF
11. Wave form: sine wave, 50Hz
12. Range: 250mVp-p±10%
13. Afterglow: medium
14. Working environment: temperature is 0℃~+40℃
15. Relative humidity: ≤90% (40℃)

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