OWON HDS241 Single-Channel Handheld Oscilloscope Instruction Manual

1. ভূমিকা

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.

নিরাপত্তা সতর্কতা: 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. পণ্য শেষview

The HDS241 combines three essential functions into one compact unit:

• অসিলোস্কোপ: 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.
• ডিজিটাল মাল্টিমিটার: 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.
• সংকেত জেনারেটর: 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.

চিত্র 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.

চিত্র 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. সেটআপ

৪.১ ব্যাটারি ইনস্টলেশন এবং চার্জিং

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

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

চিত্র 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.

৬.১ সংযোগকারী প্রোব

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

• BNC সংযোগকারী: 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.

চিত্র 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 পাওয়ারিং অন/অফ

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

4. অপারেটিং নির্দেশাবলী

৪.১ অসিলোস্কোপ মোড

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.
• পরিমাপ ফাংশন: The HDS241 offers various measurement capabilities:
  • স্বয়ংক্রিয় পরিমাপ: Includes Period, Frequency, Mean, PK-PK, Max, Min, Amplitude, and RMS.
  • কার্সার পরিমাপ: Use the cursor function to measure voltage difference (ΔV) and time difference (ΔT) between two points on the waveform.
• ডেটা সংরক্ষণ করা: 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.

চিত্র 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.

চিত্র 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.

চিত্র 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.

৪.২ মাল্টিমিটার মোড

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

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

চিত্র 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.

৪.৩ সিগন্যাল জেনারেটর মোড

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

• তরঙ্গরূপ নির্বাচন: Choose from sine, square, ramp, or pulse waveforms.
• ফ্রিকোয়েন্সি এবং Ampলিডুড: Adjust the output frequency (up to 100 kHz) and amplitude (up to 2.5 Vpp) as required for your testing needs.

5. রক্ষণাবেক্ষণ

• পরিষ্কার করা: ডিভাইসটি পরিষ্কার করার জন্য একটি নরম, শুকনো কাপড় ব্যবহার করুন। ঘষিয়া তুলিয়া ফেলিতে সক্ষম ক্লিনার বা দ্রাবক ব্যবহার করবেন না।
• ব্যাটারি যত্ন: ব্যাটারির আয়ু বাড়ানোর জন্য, ঘন ঘন ব্যাটারি সম্পূর্ণরূপে চার্জ করা এড়িয়ে চলুন। নিয়মিত চার্জ করুন, বিশেষ করে যদি এটি দীর্ঘ সময়ের জন্য সংরক্ষণ করা হয়।
• সঞ্চয়স্থান: ডিভাইসটি সরাসরি সূর্যালোক এবং চরম তাপমাত্রা থেকে দূরে একটি শীতল, শুষ্ক জায়গায় সংরক্ষণ করুন।

6. সমস্যা সমাধান

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

• ডিভাইস চালু হচ্ছে না: ব্যাটারি চার্জ করা আছে কিনা তা নিশ্চিত করুন। USB Type-C কেবল ব্যবহার করে ডিভাইসটিকে একটি পাওয়ার সোর্সের সাথে সংযুক্ত করুন এবং আবার চেষ্টা করুন।
• কোন তরঙ্গরূপ প্রদর্শিত হয়নি: 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.
• ভুল মাল্টিমিটার রিডিং: 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. স্পেসিফিকেশন

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

৯.১ অসিলোস্কোপের স্পেসিফিকেশন

7.2 Digital Multimeter Specifications

৯.৩ ওয়েভফর্ম জেনারেটরের স্পেসিফিকেশন

7.4 সাধারণ বিশেষ উল্লেখ

• মাত্রা: 9.6 x 3.8 x 19.8 সেমি
• ওজন: 1.2 কেজি
• ব্যাটারি: 2000 mAh লিথিয়াম ব্যাটারি
• চার্জিং ইন্টারফেস: ইউএসবি টাইপ-সি

8. ওয়্যারেন্টি এবং সমর্থন

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.