1. Introdução
This manual provides instructions for the safe and effective operation of the OWON ADS824A Digital Oscilloscope. The ADS824A is a 200MHz, 4-channel, 12-bit digital oscilloscope designed for high-precision testing. It features a 1.25GSa/s real-time sampling rate and a 50M storage depth, making it suitable for signal integrity verification, circuit fault identification, digital circuit design, debugging, and automotive electronics testing. This device integrates an oscilloscope, frequency counter, voltmeter, and FFT spectrum analyzer into a single unit.
2. Produto acabadoview
2.1 Principais Características
- 200MHz bandwidth with four analog channels.
- 1.25GSa/s real-time sampling rate and 50M storage depth.
- Up to 700,000wfms/s waveform refresh rate.
- 12-bit vertical resolution (4096 levels) for capturing microvolt-level signal fluctuations.
- Integrated functions: oscilloscope, frequency counter, voltmeter, and FFT spectrum analyzer.
- Supports 43 automatic measurements with advanced math functions and a built-in glossary.
- 7-inch multi-touch TFT-LCD display.
- Communication interfaces: HDMI, USB device, USB Host, Trig Out(P/F), LAN.
- Supports various triggering modes including edge, video, pulse width, slope, Nth edge, and logic.
- Includes 2-channel hardware decoding for RS-232/UART, I2C, SPI, CAN, and LIN protocols.
2.2 O que vem na caixa
The OWON ADS824A package typically includes:
- OWON ADS824A Digital Oscilloscope Unit
- Adaptador de energia
- Manual do usuário
- Cabo USB
2.3 Físico Acimaview
Figura 2.3.1: Frente view of the OWON ADS824A Digital Oscilloscope, showing the display and control panel.
Figure 2.3.2: Front panel highlighting key specifications such as 4 channels, 1.25GSa/s, 200MHz bandwidth, and 700,000 wfms/s refresh rate.
Figura 2.3.3: Close view of the control knobs for horizontal and vertical adjustments.
Figure 2.3.4: Rear panel showing the LAN, USB Device, HDMI, and USB-C Power interfaces.
Figura 2.3.5: Vista superior e traseira view illustrating the overall dimensions and port layout.
3. Configuração
3.1 Conexão de Energia
- Connect the provided power adapter to the USB-C Power interface on the rear panel of the oscilloscope.
- Ligue o adaptador de energia a uma tomada elétrica adequada.
- Pressione o botão liga/desliga localizado no painel frontal para ligar o dispositivo.
3.2 Conexão de Sonda
- Connect the BNC connector of the oscilloscope probe to one of the four input channels (CH1-CH4) on the front panel.
- Ensure the probe's ground clip is securely connected to the ground reference of the circuit under test.
- Attach the probe tip to the test point on the circuit.
4. Instruções de operação
4.1 Operação básica
The ADS824A features a 7-inch multi-touch display for intuitive control.
Figure 4.1.1: The 7-inch multi-touch TFT-LCD display allows for direct interaction with the waveform and menu settings.
- Ligar/desligar: Pressione o botão liga/desliga no painel frontal.
- Navegação: Use the multi-touch screen or the physical control knobs to navigate menus and adjust settings.
- Autoset: Press the 'Autoset' button to automatically adjust horizontal and vertical settings for optimal waveform display.
4.2 Waveform Display and Control
- Controles horizontais: Adjust the time base (s/div) and horizontal position using the dedicated knobs.
- Controles verticais: Ajuste o volumetage scale (V/div) and vertical position for each channel using their respective knobs.
- Ampliação: The device supports zoom windows for detailed waveform analysis.
Figure 4.2.1: Illustration of the waveform capture rate, showing the ability to display complex signals effectively.
4.3 Funções de Medição
The ADS824A offers extensive measurement capabilities:
- Medições automáticas: Access 43 automatic measurement functions. A built-in glossary assists in understanding technical terms for quick setup.
- Parametric Statistics: Supports measurement indicators and cursor gating for detailed analysis.
- Cursor Gating: Utilize visual indicators and zoom windows for precise cursor measurements in FFT and XY modes.
Figure 4.3.1: Display showing the interface for 43 auto measurements and the technical terms glossary.
Figura 4.3.2: Tela views demonstrating parametric statistics and cursor gating with visual indicators.
4.4 Acionamento
The oscilloscope supports various triggering options to capture specific events:
- Tipos de gatilho: Edge, Video, Pulse Width, Slope, Nth Edge, Logic, Under-amplitude, Over-amplitude, and Timeout.
- Configurar: Access trigger settings via the dedicated 'Trigger' button or on-screen menu.
Figure 4.4.1: Interface showing advanced triggering options and hardware decoding capabilities.
4.5 Funções Avançadas
- FFT Spectrum Analyzer: Perform 1M-point FFT analysis for accurate frequency component display.
- Digital Voltmeter (DVM): Integrated 4-digit voltmeter for ACrms, DC, and AC+DCrms measurements.
- Contador de frequência: Integrated 6-digit digital frequency counter.
- Protocol Decoding: Supports 2-channel hardware decoding for common serial protocols including RS-232/UART, I2C, SPI, CAN, and LIN.
- Alta resolução: The 12-bit vertical resolution (4096 levels) allows for capturing minute signal fluctuations, crucial for power ripple and noise analysis.
Figure 4.5.1: Display illustrating the FFT spectrum analysis and 256-level grayscale display features.
Figura 4.5.2: Tela views demonstrating 50Mpts storage depth settings, 4-digit voltmeter, and 6-digit frequency counter.
Figure 4.5.3: Comparison illustrating the enhanced detail provided by the 12-bit high-resolution display compared to a standard oscilloscope.
4.6 Conectividade com Dispositivos Externos
The ADS824A supports various external devices:
- Host USB: Connect a mouse or keyboard for enhanced control and efficiency.
- Dispositivo USB: Connect to a computer for data transfer or remote control.
- LAN: For wired network connections and Web Control functionality.
- HDMI: Connect to an external display for extended or mirrored viewindo.
5. Manutenção
5.1 Limpeza
Para manter o desempenho e a aparência do dispositivo:
- Limpe o exterior com um pano macio e seco.amp pano.
- Avoid using abrasive cleaners or solvents that may damage the casing ou tela.
- Certifique-se de que nenhum líquido entre nas aberturas do dispositivo.
5.2 Armazenamento
When not in use, store the oscilloscope in a clean, dry environment away from direct sunlight and extreme temperatures.
5.3 Cuidados com a bateria
The ADS824A includes a built-in lithium battery for portability. Proper battery care ensures longevity:
- Carregue a bateria totalmente antes do primeiro uso.
- Evite descarregar completamente a bateria com frequência.
- If storing for extended periods, charge the battery to approximately 50% and recharge every few months.
- The built-in battery helps avoid issues caused by ground loops, providing a safe floating ground for measurements.
Figure 5.3.1: Information regarding the built-in lithium battery, emphasizing portability and ground loop avoidance.
6. Solução De Problemas
This section addresses common issues you might encounter with the OWON ADS824A oscilloscope.
| Problema | Possível causa | Solução |
|---|---|---|
| Sem energia | Power adapter not connected or faulty; battery discharged. | Check power connections. Ensure adapter is working. Charge the battery. |
| Nenhuma forma de onda exibida | Probe not connected; signal too small/large; incorrect trigger settings. | Verify probe connection. Adjust vertical scale (V/div). Press 'Autoset'. Check trigger level and mode. |
| forma de onda instável | Incorrect trigger level or mode; noisy signal. | Adjust trigger level. Change trigger mode. Use averaging acquisition mode. |
| Tela sem resposta | Falha temporária de software. | Restart the device. If issue persists, contact support. |
7. Especificações
Detailed technical specifications for the OWON ADS824A Digital Oscilloscope.
Figure 7.1.1: Table detailing key oscilloscope specifications including bandwidth, sampling rate, and vertical resolution.
| Parâmetro | Valor |
|---|---|
| Largura de banda | 200 MHz |
| Canais | 4 |
| SampTaxa de ling | 1.25 GSa/s (Real-time) |
| Max. Waveform Capture Rate | 700,000 wfms/s |
| Max Memory Depth | 50 Mpts |
| Resolução Vertical | 12 bits |
| Faixa de sensibilidade vertical | 500 uV/div - 10 V/div |
| Impedância de entrada | 1 MΩ±2%, parallel with 20 pF±5 pF |
| Intervalo de base de tempo | 1 ns/div - 1000 s/div |
| Precisão da Base de Tempo | ±(0.01% + 0.1tdv) |
| Bus Decoding | RS232/UART, I2C, SPI, CAN, LIN |
| Acoplamento de entrada | DC, AC, Ground |
| Dimensões do produto | 10.25 x 3.07 x 6.3 polegadas |
| Peso do item | 3.3 libras |
8. Garantia e Suporte
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official OWON webOs detalhes de contato para o serviço de atendimento ao cliente geralmente estão disponíveis na página de suporte do fabricante.
