
The Owon ADS4000A Series provides 125 MHz and 250 MHz bandwidth options with a maximum real-time sampling rate of 2.5 GSa/s and 100M record length. Its 12-bit hardware vertical resolution provides detailed waveform measurement, while a refresh rate of up to 500,000 wfms/s enables clear capture of rapidly changing signals. The oscilloscope supports comprehensive triggering and optional protocol decoding for RS232/UART, I2C, SPI, CAN, and LIN. Advanced analysis functions include automatic measurements, waveform mathematics, FFT, measurement statistics, waveform cloning, and Bode plots on models equipped with the optional dual-channel 50 MHz AFG. The instrument also features Web Control, SCPI communication, LAN, USB, HDMI, optional Wi-Fi/Bluetooth connectivity, Type-C power support, floating ground measurement, and a 10.1-inch multi-touch display for flexible laboratory, engineering, and field applications.
| Models | 2-Channel Models | ADS4122A, ADS4252A |
| 4-Channel Models | ADS4124A, ADS4254A | |
| Performance | Bandwidth | 125 MHz and 250 MHz (-3 dB), depending on model |
| Waveform Refresh Rate | Maximum 500,000 wfms/s | |
| Channels | Channels | 2 + EXT or 4 + EXT, depending on model |
| Sampling | Sample Rate - 2 Channel Models | 2.5 GSa/s single-channel; 1.25 GSa/s dual-channel |
| Sample Rate - 4 Channel Models | 2.5 GSa/s single-channel; 2.5 GSa/s dual-channel; 1.25 GSa/s full-channel | |
| Acquisition | Acquisition Mode | Sample, Peak Detect, High Resolution, Average, Segmentation |
| Vertical | Vertical Resolution | 12 bits |
| Vertical Sensitivity | 500 μV/div to 10 V/div | |
| Accuracy | DC Gain Accuracy | 3% (≤1 mV); 2% (2 mV); 1.5% (≥5 mV) |
| Memory | Record Length | 100M |
| Timebase | Time Base Range | 500 ps/div to 1000 s/div, in 1-2-5 steps |
| Time Accuracy | ±1 ppm typical | |
| Input | Input Impedance | 1 MΩ ±2%, parallel with 15 pF ±5 pF; 50 Ω ±2% |
| Probe | Probe Attenuation Coefficient | 1X to 1MX, in 1-2-5 steps, with custom values supported |
| Trigger | Trigger Type | Edge, Video, Pulse, Slope, Runt, Window, Timeout, Nth, Logic, RS232/UART, I2C, SPI, CAN, LIN |
| Decoding | Bus Decoding | Optional; RS232/UART, I2C, SPI, CAN, LIN |
| Measurement | Automatic Measurements | Period, Frequency, +Width, -Width, Rise Time, Fall Time, Scr Duty, +Duty, -Duty, Vavg, Vpp, VRMS, Overshoot, Vmax, Vmin, Vtop, CycRms, Vbase, Vamp, Preshoot, Std Dev, +Pulse Count, -Pulse Count, Rise Count, Fall Count, Area, Cycle Area, Delay, Phase, FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF |
| Floating Ground Measurement | Supported | |
| Math | Waveform Math | +, -, *, /, &&, ||, ^, !, Integrate, Differentiate, Square Root, Log, Ln, Exp, Abs, Sine, Cosine, Tangent, FFT, FFT RMS, User Defined, Low Pass, High Pass, Band Pass, Band Reject |
| Analysis | FFT Analysis | Enhanced FFT, FFT RMS, peak search, and waveform analysis functions |
| Frequency | Frequency Counter | 6-digit frequency counter; maximum frequency up to the oscilloscope's maximum analog bandwidth |
| Voltage | Voltmeter | Supports DC, AC+DC RMS, and AC RMS; 4-digit resolution for ACV/DCV |
| AFG | Arbitrary Waveform Generator | Optional dual-channel 50 MHz output; 160 MSa/s sample rate |
| AFG Vertical Resolution | 14 bits | |
| Standard Waveforms | Sine, Square, Ramp, Pulse, Noise | |
| Arbitrary Waveform Frequency | 1 μHz to 10 MHz | |
| Arbitrary Waveform Length | 2–16K points | |
| Built-in Arbitrary Waveforms | 28 built-in waveforms including Exponential Rise/Fall, Sin(x)/x, Step Wave, and others | |
| Amplitude | 2 mVpp to 10 Vpp at high impedance; 1 mVpp to 5 Vpp at 50 Ω | |
| Modulation | AM, FM, PM, FSK, Sweep, and Burst | |
| Waveform Cloning | Supported on models equipped with AFG function | |
| Bode Plot | Bode Plot Function | Available on models equipped with AFG function |
| Start / End Frequency | 10 Hz to 25 MHz | |
| Amplitude | 2 mV to 6 V | |
| Interface | Communication Interface | HDMI, USB Device x1, USB Host x3, Trig Out (P/F), Type-C power supply, LAN |
| Communication | Remote Control | Web Control and SCPI command sending/receiving |
| Wireless | Wireless Module | Optional Wi-Fi/Bluetooth module supporting FTP, network printers, mobile hotspots, and more |
| Display | Display | 10.1-inch LCD, 1024 × 600 resolution, multi-touch support |
| Audio | Audio | Built-in microphone and speaker |
| Power | Power Supply | 100 V–240 V AC RMS, 50/60 Hz, CAT II; supports Type-C power supply |
| Physical | Dimensions | 325 mm × 209 mm × 111.5 mm |
| Device Weight | Approximately 3.2 kg |