Mini Handheld Digital Storage Four-channel Automobile Maintenance Oscilloscope Technical parameters: 1. Main control CPU: ARM Cortex M3 2. FIFO and control: FPGA 3. ADC: HWD9288-100 4. Number of analog channels: 2 ([CH_A] [CH_B]) 5. Number of digital channels: 2 ([CH_C] [CH_D]) 6. Number of calculation channels: INV [CH_A], INV [CH_B], [CH_A]+[CH_B], [CH_A]-[CH_B], [CH_C]&[CH_D], [CH_C] [CH_D] 7. Vertical sensitivity: 10mV-10Vdiv (1-2-5 STEP) (when using x1 probe); 100mV-100Vdiv (1-2-5 STEP) (when using x10 probe) 8. Vertical resolution: 8 bits 9. Memory depth: 4 channels 4*4K 10. Input coupling mode: DC, AC 11. Input voltage (MAX): 40Vpp when using x1 probe; 400Vpp when using x10 probe 12. Soft trigger type: positive and negative edge trigger, pulse width trigger, logic trigger 13. Trigger mode: automatic, standard, single, instant scan 14. Trigger source: [CH_A] [CH_B] [CH_C] [CH_D] 15. Signal source: square wave: 10Hz to 8MHz, 20 levels of 3Vpp signal source 16. Sine wave, triangle wave, sawtooth wave: 10Hz to 20KHz, 11 levels of 3Vpp signal source 17. File storage capacity: built-in 8M USB disk 18. File storage format: BMP, BUF, CSV 19. Automatic measurement type: peak-to-peak value, average value, effective value, frequency, period, pulse width, duty cycle 20. Cursor measurement: time value, amplitude value 21. 4-line display: - 1 line: [CH_A], HIDE - 2 lines: [CH_B], HIDE - 3 lines: [CH_C], REC_1, REC _2, REC _3, REC _4, HIDE - 4 lines: [CH_D], [CH_A]+[CH_B], [CH_A]-[CH_B], [CH_C]&[CH_D], [CH_C] [CH_D], HIDE 22. Sampling mode: real-time sampling 23. Sampling rate: 100M Sas 24. Battery power supply: 1000mAh 25. Dimensions: 99.5x58.5x13.5mm 26. Weight: 129g Product features: 1. 5-trace 4-line general-purpose electronic engineering task digital storage oscilloscope based on ARM Cortex M3 core 2. Adopting FPGA to manage and control the external ADC and the working mode of data cache, it provides 4 application partitions, which can be