OWON HDS241 Single-Channel Handheld Oscilloscope Instruction Manual

1. សេចក្តីផ្តើម

The OWON HDS241 is a versatile 3-in-1 handheld device that integrates a single-channel oscilloscope, a 24,000-count digital multimeter, and a 100KHz signal generator. Designed for portability and efficiency, it is suitable for various electrical testing and measurement applications. This manual provides detailed instructions for safe and effective use of your device.

ការប្រុងប្រយ័ត្នសុវត្ថិភាព៖ Always observe general safety rules when operating electrical equipment. Ensure proper connections and use appropriate probes for the measurement task. Do not exceed the maximum input ratings of the device.

2. ផលិតផលលើសview

The HDS241 combines three essential functions into one compact unit:

• Oscilloscope៖ Features a 40 MHz bandwidth, 250 MSa/s real-time sampling rate, and a waveform refresh rate of up to 10,000 wfms/s. It supports auto-setup, multiple measurement functions, cursor measurement, and a slow sweep mode for long-term signal monitoring.
• ឌីជីថល Multimeter៖ A 4½-digit True RMS multimeter with 24,000 counts. It can measure AC/DC voltage, AC/DC current, resistance, diode, capacitance, and perform continuity tests. Maximum input voltage is AC 750V and DC 1000V.
• ឧបករណ៍បង្កើតសញ្ញា៖ A single-channel generator with a frequency range of up to 100 kHz. It supports sine, square, ramp, and pulse waveform outputs with a maximum amplitude of 2.5 Vpp.

The device features a 3.5-inch high-definition color LCD screen for clear display of waveforms and measurement data. Its robust design includes a rubber coating for durability and improved grip.

រូបភាពទី 2.1៖ The OWON HDS241 device, showcasing its 3-in-1 functionality as an oscilloscope, multimeter, and signal generator. Key specifications for each mode are listed alongside the device.

រូបភាពទី 2.2៖ A comprehensive diagram illustrating the various buttons, ports, and display areas of the OWON HDS241, including the viewing area, multi-function keys, channel key, mode change key, system configuration, save button, power button, multimeter input port, horizontal adjustment, measurement range switch, arrow keys, auto range key, hold/run key, signal input connector, probe compensation output, and USB charge/communication interface.

3. រៀបចំ

3.1 ការដំឡើង និងការបញ្ចូលថ្ម

The HDS241 is powered by a high-capacity 2000 mAh lithium battery. The device features a low-power consumption design for extended operation.

• សាកថ្ម៖ Connect the device to a power source using the standard USB Type-C port. You can use a compatible adapter or a power bank.
• អាយុកាលថ្ម៖ The battery provides long-lasting performance. Actual usage time may vary based on operating conditions.

រូបភាពទី 3.1៖ This image shows the internal battery compartment of the OWON HDS241, revealing two 18650 lithium batteries, and highlights the USB Type-C port for charging and PC connection.

៤.៣ ការតភ្ជាប់ឧបករណ៍ចាប់សញ្ញា

For oscilloscope measurements, connect the probe to the BNC connector. For multimeter functions, use the provided test leads with the multimeter input ports.

• ឧបករណ៍ភ្ជាប់ BNC៖ The BNC connector features an external rubber coating to enhance safety and prevent external interference. It supports high-voltage probes for accurate and reliable signal capture.

រូបភាពទី 3.2៖ This image highlights the BNC connector with external rubber coating for safety and interference prevention. It also illustrates the difference between conventional measurement (accurate only for sine waves) and True RMS measurement (accurately measures all current waveforms).

3.3 ការបើក/បិទ

Press and hold the power button (refer to Figure 2.2 for location) to turn the device on or off.

4. សេចក្តីណែនាំប្រតិបត្តិការ

៦.១ របៀបអូស៊ីឡូស្កូប

To enter Oscilloscope mode, press the 'Mode' button until the oscilloscope interface is displayed.

• Basic Waveform Display: Connect the probe to the signal source. The waveform will be displayed on the screen.
• Auto-Setup: Press the 'Auto' button for automatic adjustment of vertical, horizontal, and trigger settings to quickly display a stable waveform.
• មុខងារវាស់វែង៖ The HDS241 offers various measurement capabilities:
  • ការវាស់វែងដោយស្វ័យប្រវត្តិ៖ Includes Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, and RMS.
  • ការវាស់វែងទស្សន៍ទ្រនិច៖ Use the cursor function to measure voltage difference (ΔV) and time difference (ΔT) between two points on the waveform.
• ការរក្សាទុកទិន្នន័យ៖ Connect the device to a computer via the USB Type-C port. The included PC software allows you to save waveform images and data for further analysis.

រូបភាពទី 4.1៖ This image details the oscilloscope's advanced features, including Dual Sampling Mode for interference detection, High Refresh Rate (10,000 wfms/s) and Deep Storage (8K record length), 8 Types of AutoMeasurements (Frequency, Period, Amplitude, Max, Min, Mean, PK-PK, RMS), and Cursor Measurement for ΔV and ΔT. It also shows the Save Function for reference waveforms.

រូបភាពទី 4.2៖ This image displays four examples of waveforms captured by the OWON HDS241: a Mains Waveform with peak highlighted, a TV Signal Wave, a PLC Pulse Wave, and a Multi-Audio Frequency Response Signal, demonstrating its versatility in signal analysis.

រូបភាពទី 4.3៖ The OWON HDS241 is shown connected to a laptop via a USB cable, demonstrating its capability to save waveform images and data for further analysis on a computer.

៦.២ របៀបម៉ាល់ទីម៉ែត្រ

To enter Multimeter mode, press the 'Mode' button until the multimeter interface is displayed.

• ការវាស់វែង៖ The multimeter supports measuring AC/DC voltage, AC/DC current, resistance, diode, capacitance, and continuity. Select the desired measurement function using the appropriate buttons.
• RMS ពិត៖ The HDS241 features True RMS measurement, which is essential for accurately measuring non-sinusoidal AC waveforms.
• ជួរស្វ័យប្រវត្តិ៖ The device automatically selects the appropriate measurement range for convenience.

រូបភាពទី 4.4៖ The OWON HDS241 is depicted in an outdoor setting, connected to a car battery with multimeter probes, illustrating its practical application for electrical measurements.

4.3 Signal Generator Mode

To enter Signal Generator mode, press the 'Mode' button until the signal generator interface is displayed.

• ការជ្រើសរើសរលក៖ Choose from sine, square, ramp, or pulse waveforms.
• ប្រេកង់និង Ampអក្សរកាត់៖ Adjust the output frequency (up to 100 kHz) and amplitude (up to 2.5 Vpp) as required for your testing needs.

5. ការថែទាំ

• ការសម្អាត៖ ប្រើក្រណាត់ទន់ និងស្ងួតដើម្បីសម្អាតឧបករណ៍។ កុំប្រើសារធាតុសម្អាត ឬសារធាតុរំលាយ។
• ការថែរក្សាថ្ម៖ ដើម្បី​ពន្យារ​អាយុ​ថ្ម សូម​ជៀសវាង​ការ​បញ្ចេញ​ថ្ម​ឱ្យ​ពេញ​លេញ​ញឹកញាប់។ សាកឧបករណ៍ឱ្យបានទៀងទាត់ ជាពិសេសប្រសិនបើវានឹងត្រូវបានរក្សាទុកសម្រាប់រយៈពេលបន្ថែម។
• ការផ្ទុក៖ ទុកឧបករណ៍ក្នុងកន្លែងត្រជាក់ និងស្ងួតឆ្ងាយពីពន្លឺព្រះអាទិត្យដោយផ្ទាល់ និងសីតុណ្ហភាពខ្លាំង។

6. ការដោះស្រាយបញ្ហា

If you encounter issues with your OWON HDS241, consider the following basic troubleshooting steps:

• ឧបករណ៍មិនបើក៖ ត្រូវប្រាកដថាថ្មត្រូវបានសាក។ ភ្ជាប់ឧបករណ៍ទៅនឹងប្រភពថាមពលដោយប្រើខ្សែ USB Type-C ហើយព្យាយាមម្តងទៀត។
• គ្មានរលកបង្ហាញទេ៖ Check that the probe is correctly connected to both the device and the signal source. Verify the signal source is active. Try using the 'Auto' button to adjust settings.
• Incorrect multimeter readings: Ensure the test leads are properly inserted into the correct input jacks for the measurement type (e.g., voltage, current, resistance). Check the integrity of the test leads.
• Unstable readings: Ensure connections are secure and there is no external interference.

For further assistance, please contact OWON customer support.

7. លក្ខណៈបច្ចេកទេស

រូបភាពទី 7.1៖ This image presents a detailed table of technical specifications for the OWON HDS241, covering its oscilloscope, digital multimeter, and waveform generator functions.

៥.១ លក្ខណៈបច្ចេកទេសរបស់អូស៊ីឡូស្កូប

7.2 Digital Multimeter Specifications

7.3 Waveform Generator Specifications

7.4 លក្ខណៈបច្ចេកទេសទូទៅ

• វិមាត្រ៖ 9.6 x 3.8 x 19.8 សង់ទីម៉ែត្រ
• ទម្ងន់៖ 1.2 គីឡូក្រាម
• ថ្ម៖ ថ្មលីចូម 2000 mAh
• ចំណុចប្រទាក់សាកថ្ម៖ USB Type-C

8. ការធានា និងការគាំទ្រ

For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact OWON customer service directly. Keep your purchase receipt as proof of purchase.