OWON TDS7074 4 Channel TDS Series Digital Oscilloscope 70MHz Bandwidth 1GS/s Sample Rate 7.6M Record Length Features:   - 70MHz bandwidth, 1GS/s realtime sample rate - 7.6M record length - 50,000 wfms/s waveform capture rate - waveform zooming (horizontal / vertical), and saving - FFT points (length, and resolution variable) - multi-window extension - user-friendly voice warning - 8 inch 800 x 600 pixels high def LCD - multi- communication interface : USB, VGA, LAN   Main Features - Max 200MHz bandwidth, up to 2GS/s realtime sample rate - 7.6M record length - 50,000 wfms/s waveform capture rate - waveform zooming (horizontal / vertical), and saving - FFT points (length, and resolution variable) - multi-window extension - user-friendly voice warning - 8 inch 800 x 600 pixels high def LCD - multi- communication interface : USB, VGA, LAN Application electronic circuit debugging                   circuit testing     design and manufacture                        education and training    automobile maintenance and testing   Overview  Model No. Bandwidth Sample Rate  Record Length Channel TDS7074 70MHz 1GS/s 7.6M 4 TDS7104 100MHz 1GS/s TDS8104 100MHz 2GS/s TDS8204 200MHz 2GS/s   Specifications  Model  TDS7074 TDS7104  TDS8104  TDS8204 Bandwidth 70MHz 100MHz 200MHz Channel 4 Sample Rate 1GS/s 2GS/s Waveform Capture Rate 50,000 wfms/s Display 8" touch screen color LCD Input Coupling DC, AC, and GND Input Impedance 1MΩ ± 2%, in parallel with 10pF ± 5pF ; 50Ω ± 1% Probe Attenuation Factor 1X, 10X, 100X, 1000X Max Input Voltage 1MΩ input impedance : 400V (PK - PK) (DC + AC, PK - PK) ; 50Ω input impedance : 5V (PK - PK) (DC + AC, PK - PK) Channel Isolation 50Hz 100:1 ; 10MHz:40:1 Interpolation sin(x)/x Record Length 7.6M Horizontal Scale (s/div) 2ns/div - 100s/div, step by 1 - 2 - 5 Interval (T) Accuracy (full bandwidth) Single : ±(1 interval time + 100ppm × reading + 0.6ns), Average>16 : ±(1 interval time + 100ppm × reading + 0.4ns) Vertical Resolution (A/D) 8 bits resolution (4 channels simultaneously) Vertical Sensitivity 2mV/div - 10V/div (at input) Analog Bandwidth 70MHz 100MHz 200MHz LF Respond (AC, -3dB) ≥10Hz (at input, AC coupling, -3dB) Rise Time ≤5ns ≤3.5ns ≤1.7n DC Accuracy ±3% Trigger Type Edge, Pulse, Video, Slope Trigger Mode Auto, Normal, Single Trigger Level Range ±6 div from the screen center Trigger level Accuracy (typical) ±0.3 div Line / Field Frequency (video) NTSC, PAL, and SECAM standard Automatic Measurement Vpp, Vavg, Vamp, Vrms, Freq, Period, Vmax, Vmin, Vtop, Vbase, Overshoot, Preshoot, Rise Time, Fall Time, Delay A→B↑, Delay  A→B↓, +Width, -Width, +Duty, -Duty Waveform Math , ×, ÷, FFT Waveform Storage 4 reference waveforms Lissajous Figure Bandwidth full Bandwidth Phase Difference ±3 degrees Cursor Measurement V, and T between cursors Communication Port USB host, USB device, VGA, LAN,AUX Power Supply 100 - 240 V AC, 50/60Hz, CAT II Dimension (W×H×D) 380 × 180 × 115 (mm) Weight (without package) 1.5 kg