1. Panimula
The OWON ADS824A is a high-performance 4-channel digital storage oscilloscope designed for precise signal analysis. Featuring a 12-bit high-resolution, 200MHz bandwidth, and a maximum sample rate of 1.25GSa/s, it is suitable for a wide range of electrical measurement and debugging tasks. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
2. Mga Pangunahing Tampok
- 12-bit High-Resolution: Offers 4096-level vertical resolution, significantly higher than standard oscilloscopes, for precise power ripple and noise analysis.
- 4 Analog Channels: Capable of simultaneously measuring up to four signals.
- 200MHz Bandwidth: Nagbibigay ample frequency range for various applications.
- 1.25GSa/s Max. Sampang Rate: Ensures detailed capture of transient events.
- 50M Record Length: Allows for extended waveform capture and analysis.
- 700,000 wfms/s Waveform Refresh Rate: Enhances the detection of transient anomalies.
- 7-inch Multi-Touch Screen: A 1024x600 pixel TFT-LCD screen with user-customizable menu support for intuitive operation.
- Built-in Lithium Battery (Optional): A 5000mAh built-in Li-ion battery provides portability and enables safe floating ground and mains voltage mga sukat.
- Mga Kakayahang Multifunctional: Acts as a Digital Oscilloscope, Protocol Analyzer, High-precision Frequency Counter, Voltmeter, and Spectrum Analyzer (5-in-1).
- Advanced Triggering and Decoding: Supports 2-channel hardware decoding for UART, I2C, SPI, CAN, and LIN protocols.
- 43 Auto Measurements: Includes a comprehensive set of automatic measurement functions with advanced math capabilities.
- Mga Rich Interface: Equipped with LAN, USB Device, HDMI, and USB Type-C power input ports.
- External Peripheral Support: Connect external mouse, keyboard, and supports external Wi-Fi modules (optional) and network printers.
3. Product Structure and Interfaces
The ADS824A oscilloscope features a robust design with clearly labeled controls and ports for ease of use.
3.1 Front Panel
The front panel includes the 7-inch multi-touch screen, control knobs, function buttons, and the four analog input channels (CH1, CH2, CH3, CH4). For dual-channel models, only CH1 and CH2 are available.
3.2 Rear Panel
The rear panel provides various connectivity options:
- LAN Port: For connecting to a network router.
- USB Device Port: For connecting to a computer (SCPI Standard Compliant).
- HDMI Port: For connecting to an external monitor.
- USB Type-C Power Interface: For power input (requires 12V/3A external power bank).
- Trig Out (P/F) Port: For trigger output.
- Security Lock Slot: For securing the device.
- Grounding Terminal: Para sa tamang saligan.
4. Pag-setup
4.1 Pag-unpack at Inspeksyon
Upon receiving your ADS824A oscilloscope, carefully unpack all components and inspect for any signs of damage. Retain the packaging for future transport or storage.
4.2 Pag-on ng Device
- Connect the provided power adapter to the USB Type-C Power Interface on the rear panel.
- Isaksak ang power adapter sa isang angkop na saksakan ng kuryente.
- Press the power button located on the front panel to turn on the oscilloscope.
If your model includes the built-in lithium battery, ensure it is charged for portable operation. The external power bank must meet 12V/3A output requirements.
4.3 Mga Probe na Nagkokonekta
Connect the oscilloscope probes to the desired input channels (CH1-CH4) on the front panel. Ensure the probes are properly calibrated before taking measurements.
5. Mga Tagubilin sa Pagpapatakbo
5.1 Pangunahing Operasyon
The ADS824A features a 7-inch multi-touch screen for intuitive control. You can interact with the device using touch gestures or by connecting an external mouse and keyboard.
5.2 Auto Measurements
The ADS824A oscilloscope has 43 built-in auto measurement values, including channel measurements and inter-channel measurements. It supports displaying up to 8 measurement values simultaneously and can perform statistics on these values.
- Press the "Measure" button or tap the on-screen icon to access the measurement menu.
- Select the desired measurement values to add. The screen will provide definitions to assist in selection.
- Upang view statistics, navigate to the "Statistics" option within the measurement menu. You can select the number of samples for statistical analysis.
- Use the "Snapshot" option to view all measurement values at once.
5.3 Digital Voltmeter (DVM) Measurement
The ADS824A includes a 4-digit digital voltmeter function.
- Tap the house icon (Utility menu) on the screen.
- Select "DVM" to enable the 4-digit voltmeter.
- Using the oscilloscope probes, you can measure AC RMS, DC, and AC+DC RMS values.
5.4 Advanced Triggering and Decoding
The oscilloscope supports advanced triggering modes and 2-channel hardware decoding for various serial protocols.
5.5 Waveform Math and FFT Analysis
The device offers advanced waveform math functions and a 1M-point FFT spectrum analyzer for detailed signal analysis.
6. Mga pagtutukoy
Below are the detailed specifications for the ADS824A model:
| Tampok | ADS824A |
|---|---|
| Bandwidth (-3 dB) | 200MHz |
| Channel | 4 |
| Max. samprate ng le | 1.25GSa/s |
| Acquire mode | Sample, Peak, High Res, Average, Segmentation |
| Max. waveform capture rate | Max. 700,000wfms/s |
| Vertical Sensitivity Range | 500µV/div - 10 V/div |
| Sampsaklaw ng rate ng ling | 1ns/div - 1000s/div, step by 1-2-5 |
| Impedance ng Input | 1 MΩ±2%, parallel with 20 pF±5 pF |
| Probe Attenuation Coefficient | 1.00X-1.00MX, step by 1-2-5, support custom |
| Uri ng trigger | Edge, Video, Pulse, Slope, Runt, Windows, Timeout, Nth, Logic, RS232/UART, I2C, SPI, CAN, LIN |
| Pag-decode ng bus | RS232/UART, I2C, SPI, CAN, LIN |
| Auto pagsukat | 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 Cnt, -Pulse Cnt, Rise Cnt, Fall Cnt, Area, Cyc Area, Delay(A1-B1), Delay(A1-B1), Delay(A1-B1), Delay(A1-B1), Phase(A1-B1), Phase(A1-B1), Phase(A1-B1), Phase(A1-B1), FRR(A1-B1), FRF(A1-B1), FFR(A1-B1), FFF(A1-B1), LRF(A1-B1), LRF(A1-B1), LFR(A1-B1), LFF(A1-B1) |
| Waveform Math | +, -, *, /, &!, ||, ^, !, Intg, Diff, Sqrt, Function operation (Lg / Ln / Exp / Abs / Sine / Cosine / Tan), FFT, FFT rms, User Defined, Digital filter (low pass, high pass, band pass, band reject) |
| Dalas ng counter | 6-digit frequency counter. |
| Voltmeter | Support DC, AC+DCRms, ACrms. Resolution: 4 digits (ACV/DCV) |
| Interface ng Komunikasyon | HDMI, USB device, USB Host, Trig Out(P/F), LAN |
| Pagpapakita | 7 inch (1024×600), capacitive multi-touch screen |
| Interface ng power supply | Type-C [1] |
| Dimensyon (W x H x D) | 260mm x 160mm x 78mm |
| Timbang | ≈1.5kg (package excluded) |
[1] The external power bank must meet 12V/3A output.
7. Pagpapanatili
7.1 Pangkalahatang Pangangalaga
- Keep the oscilloscope clean and free from dust. Use a soft, dry cloth for cleaning the exterior.
- Iwasang ilantad ang device sa matinding temperatura, halumigmig, o direktang sikat ng araw.
- Do not use abrasive cleaners or solvents, as they may damage the casing o screen.
- Tiyaking maayos ang bentilasyon sa paligid ng device upang maiwasan ang sobrang init.
7.2 Probe Care
- Handle probes carefully to avoid bending or breaking the tips.
- Store probes in a clean, dry place when not in use.
- Regularly check probe cables for damage or wear.
8. Pag-aayos ng solusyon
This section addresses common issues you might encounter with your ADS824A oscilloscope.
8.1 Hindi Naka-on ang Device
- Check if the power adapter is securely connected to both the oscilloscope and the power outlet.
- I-verify na gumagana ang saksakan ng kuryente.
- If using the built-in battery, ensure it is charged.
8.2 No Signal Displayed
- Tiyaking ang mga probe ay konektado nang tama sa mga input channel at sa circuit na sinusuri.
- Check probe attenuation settings on both the probe and the oscilloscope.
- Adjust vertical scale (Volts/Div) and horizontal scale (Time/Div) to an appropriate range.
- Verify trigger settings. Try using "Auto" trigger mode initially.
8.3 Hindi Tumutugon na Touchscreen
- Restart the oscilloscope.
- Tiyaking malinis ang screen at walang mga kalat.
- If an external mouse is connected, try using it to navigate.
9. Mga Tip sa Gumagamit
- Optimize Measurements: Utilize the 43 auto-measurement functions to quickly obtain key waveform parameters. Experiment with the statistics feature for deeper analysis of signal variations.
- I-maximize ang Portability: If your model has the built-in battery, ensure it's fully charged before fieldwork. This allows for flexible measurements without constant power outlet access.
- Remote Control: Kumuha ng advantage of the embedded WebServer for browser-based access and operation, which can be very convenient for remote monitoring or collaborative work.
- I-clear ang Display: The 7-inch 1024x600 multi-touch screen is designed for clarity. Adjust brightness and contrast as needed for optimal viewsa iba't ibang kapaligiran.
- Protocol Decoding: For digital signal analysis, make full use of the 2-channel hardware decoding for UART, I2C, SPI, CAN, and LIN to quickly debug communication issues.
10. Listahan ng Pag-iimpake
The standard package for the ADS824A oscilloscope includes the following items:
- Host (Oscilloscope Unit) x1
- Probe x4
- Power Cord x1
- Power Adapter x1
- USB Cable x1
- Manwal x1
11. Warranty at Suporta
For warranty information, technical support, or service inquiries, please refer to the official OWON website o makipag-ugnayan sa iyong lokal na distributor. Panatilihin ang iyong resibo sa pagbili bilang patunay ng pagbili para sa mga claim sa warranty.
