1. ບົດແນະນຳ
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. ຄຸນນະສົມບັດທີ່ສໍາຄັນ
- 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 ແບນວິດ: ສະຫນອງ ample frequency range for various applications.
- 1.25GSa/s Max. Sampອັດຕາ le: 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 ການວັດແທກ.
- ຄວາມສາມາດຫຼາຍປະການ: 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.
- ການໂຕ້ຕອບອຸດົມສົມບູນ: 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 ກະດານດ້ານ ໜ້າ
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 ແຜງດ້ານຫລັງ
ແຜງດ້ານຫຼັງໃຫ້ຕົວເລືອກການເຊື່ອມຕໍ່ຕ່າງໆ:
- LAN Port: For connecting to a network router.
- ພອດອຸປະກອນ USB: 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.
- ຊ່ອງລັອກຄວາມປອດໄພ: ສໍາລັບການຮັບປະກັນອຸປະກອນ.
- ຂົ້ວດິນ: ສໍາລັບພື້ນຖານທີ່ເຫມາະສົມ.
4. ຕັ້ງຄ່າ
4.1 ການຫຸ້ມຫໍ່ແລະການກວດກາ
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 ການເປີດອຸປະກອນ
- Connect the provided power adapter to the USB Type-C Power Interface on the rear panel.
- ສຽບອະແດບເຕີໄຟເຂົ້າໄປໃນບ່ອນສຽບໄຟທີ່ເຫມາະສົມ.
- 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 ການເຊື່ອມຕໍ່ Probes
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. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1 ການດໍາເນີນງານພື້ນຖານ
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.
- ເຖິງ 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. ຂໍ້ມູນຈໍາເພາະ
Below are the detailed specifications for the ADS824A model:
| ຄຸນສົມບັດ | ADS824A |
|---|---|
| ແບນວິດ (-3 dB) | 200MHz |
| ຊ່ອງ | 4 |
| ສູງສຸດ. ດampອັດຕາ le | 1.25GSa/ວິ |
| Acquire mode | Sample, Peak, High Res, Average, Segmentation |
| Max. waveform capture rate | Max. 700,000wfms/s |
| ລະດັບຄວາມອ່ອນໄຫວແນວຕັ້ງ | 500µV/div - 10 V/div |
| Sampລະດັບອັດຕາ | 1ns/div - 1000s/div, step by 1-2-5 |
| Input Impedance | 1 MΩ±2%, parallel with 20 pF±5 pF |
| Probe ອັດ ຕາ ສ່ວນ ຕົວ ຄູນ | 1.00X-1.00MX, step by 1-2-5, support custom |
| ປະເພດຕົວກະຕຸ້ນ | Edge, Video, Pulse, Slope, Runt, Windows, Timeout, Nth, Logic, RS232/UART, I2C, SPI, CAN, LIN |
| ການຖອດລະຫັດລົດເມ | RS232/UART, I2C, SPI, CAN, LIN |
| ການວັດແທກອັດຕະໂນມັດ | 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) |
| ວຽກງານຕ້ານຄວາມຖີ່ | 6-digit frequency counter. |
| voltmeter | Support DC, AC+DCRms, ACrms. Resolution: 4 digits (ACV/DCV) |
| ການໂຕ້ຕອບການສື່ສານ | HDMI, USB device, USB Host, Trig Out(P/F), LAN |
| ຈໍສະແດງຜົນ | 7 inch (1024×600), capacitive multi-touch screen |
| ການໂຕ້ຕອບການສະຫນອງພະລັງງານ | Type-C [1] |
| ຂະໜາດ (ກວ້າງ x ສູງ x ຍາວ) | 260mm x 160mm x 78mm |
| ນ້ຳໜັກ | ≈1.5kg (package excluded) |
[1] The external power bank must meet 12V/3A output.
7. ບໍາລຸງຮັກສາ
7.1 ການເບິ່ງແຍງທົ່ວໄປ
- Keep the oscilloscope clean and free from dust. Use a soft, dry cloth for cleaning the exterior.
- ຫຼີກເວັ້ນການເປີດເຜີຍອຸປະກອນກັບອຸນຫະພູມທີ່ຮຸນແຮງ, ຄວາມຊຸ່ມຊື່ນ, ຫຼືແສງແດດໂດຍກົງ.
- ຢ່າໃຊ້ນໍ້າຢາທໍາຄວາມສະອາດທີ່ມີສີຂັດ ຫຼື ຕົວລະລາຍ ເພາະມັນອາດຈະທໍາລາຍແຜ່ນໄດ້asing ຫຼືຫນ້າຈໍ.
- ຮັບປະກັນການລະບາຍອາກາດທີ່ເຫມາະສົມຮອບອຸປະກອນເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນ.
7.2 ການດູແລກວດສອບ
- 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. ການແກ້ໄຂບັນຫາ
This section addresses common issues you might encounter with your ADS824A oscilloscope.
8.1 ອຸປະກອນບໍ່ເປີດເຄື່ອງ
- Check if the power adapter is securely connected to both the oscilloscope and the power outlet.
- ກວດສອບວ່າປ່ຽງໄຟແມ່ນເຮັດວຽກໄດ້.
- If using the built-in battery, ensure it is charged.
8.2 No Signal Displayed
- Ensure probes are correctly connected to the input channels and the circuit under test.
- 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 ໜ້າຈໍສຳຜັດທີ່ບໍ່ຕອບສະໜອງ
- ຣີສະຕາດ oscilloscope.
- ໃຫ້ແນ່ໃຈວ່າຫນ້າຈໍສະອາດແລະບໍ່ມີສິ່ງເສດເຫຼືອ.
- If an external mouse is connected, try using it to navigate.
9. ຄໍາແນະນໍາຜູ້ໃຊ້
- 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.
- ຂະຫຍາຍການເຄື່ອນທີ່ສູງສຸດ: 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.
- ການຄວບຄຸມໄລຍະໄກ: ເອົາ advantage of the embedded WebServer for browser-based access and operation, which can be very convenient for remote monitoring or collaborative work.
- ຈໍສະແດງຜົນທີ່ຈະແຈ້ງ: The 7-inch 1024x600 multi-touch screen is designed for clarity. Adjust brightness and contrast as needed for optimal viewຢູ່ໃນສະພາບແວດລ້ອມທີ່ແຕກຕ່າງກັນ.
- 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. ລາຍການບັນຈຸ
The standard package for the ADS824A oscilloscope includes the following items:
- Host (Oscilloscope Unit) x1
- Probe x4
- ສາຍໄຟ x1
- ອະແດັບເຕີພະລັງງານ x1
- ສາຍ USB x1
- ຄູ່ມື x1
11. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
For warranty information, technical support, or service inquiries, please refer to the official OWON webສະຖານທີ່ຫຼືຕິດຕໍ່ຜູ້ຈັດຈໍາຫນ່າຍທ້ອງຖິ່ນຂອງທ່ານ. ຮັກສາໃບຮັບເງິນການຊື້ຂອງທ່ານໄວ້ເປັນຫຼັກຖານການຊື້ສໍາລັບການຮ້ອງຂໍການຮັບປະກັນ.
