1. Pengenalan
This manual provides essential information for the safe and efficient operation of your VOLTCRAFT DOV1254 LA Digital Oscilloscope. Please read this manual thoroughly before using the device and keep it for future reference. The DOV1254 LA is a 12-bit high-resolution digital oscilloscope featuring 4 channels, a 125 MHz bandwidth, and a 1.25 GSa/s sample rate, designed for precise signal analysis.
2. Arahan Keselamatan
Observe the following safety precautions to prevent injury and avoid damage to the instrument or any connected devices:
- Sumber Kuasa: Ensure the oscilloscope is connected to a power source with the correct voltage and frequency as specified in the technical specifications.
- Pembumian: The instrument must be properly grounded to prevent electric shock. Do not defeat the grounding conductor.
- Probe: Use only probes supplied or recommended by VOLTCRAFT. Ensure probes are correctly rated for the voltage dan arus yang sedang diukur.
- Persekitaran: Operate the oscilloscope in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and excessive dust or moisture.
- Penyelenggaraan: Refer all servicing to qualified service personnel. Do not attempt to open or repair the instrument yourself.
- Pembersihan: Putuskan sambungan kuasa sebelum membersihkan. Gunakan yang lembut, damp kain. Jangan gunakan pembersih atau pelarut yang melelas.
3. Kandungan Pakej
Carefully unpack the VOLTCRAFT DOV1254 LA Digital Oscilloscope and check for any damage. Verify that all items listed below are present:
- VOLTCRAFT DOV1254 LA Digital Oscilloscope Unit
- Kord Kuasa
- Passive Probes (Quantity: 4, typically)
- Kabel USB
- Panduan Mula Pantas
- Calibration Certificate (if applicable)
Jika terdapat sebarang barang yang hilang atau rosak, hubungi pembekal anda dengan segera.
4. Produk Lebihview
The VOLTCRAFT DOV1254 LA is a sophisticated instrument designed for accurate waveform visualization and analysis. Below are key views of the device highlighting its main components.
4.1 Panel Depan
Rajah 1: Depan view of the VOLTCRAFT DOV1254 LA Digital Oscilloscope, showing the large display, control knobs, function buttons, and input channels.
The front panel features a high-resolution display for waveform visualization, along with various control knobs and buttons for adjusting settings such as vertical scale, horizontal time base, trigger level, and menu navigation. The four BNC input connectors for channels CH1, CH2, CH3, and CH4 are clearly labeled, along with the Logic Analyzer input port.
4.2 Angled Front View
Rajah 2: Depan bersudut view of the oscilloscope, providing a better perspective of the side ventilation and overall form factor.
ini view highlights the compact design and the ventilation grilles on the side, essential for maintaining optimal operating temperature. The robust construction ensures durability in various working environments.
4.3 Bahagian View
Rajah 3: Sisi view of the oscilloscope, showing the depth and additional ventilation details.
Pro sampinganfile illustrates the instrument's depth and the design of its cooling system, which is crucial for stable performance during extended use. No additional ports are visible on this side.
5. Persediaan
Follow these steps to set up your VOLTCRAFT DOV1254 LA Digital Oscilloscope for initial use:
- penempatan: Place the oscilloscope on a stable, level surface with adequate ventilation around the unit.
- Sambungan Kuasa: Connect the supplied power cord to the power input on the rear panel of the oscilloscope, then plug the other end into a grounded AC power outlet.
- Sambungan Probe: Connect the passive probes to the desired BNC input channels (CH1-CH4) on the front panel. Ensure a secure connection by twisting the BNC connector until it locks.
- Pampasan Probe: Before taking measurements, it is recommended to compensate the probes. Connect the probe tip to the probe compensation output (usually a square wave signal) and adjust the probe's compensation trimmer until a flat-top square wave is displayed on the screen.
- Hidupkan kuasa: Tekan butang kuasa yang terletak di panel hadapan untuk menghidupkan osiloskop.
6. Mengendalikan Osiloskop
This section covers basic operational procedures for the VOLTCRAFT DOV1254 LA.
6.1 Hidupkan/Mati Kuasa
Tekan ke kuasa button on the front panel to turn the device on or off. A startup sequence will be displayed upon powering on.
6.2 Channel Selection and Vertical Controls
- Gunakan CH1, CH2, CH3, CH4 buttons to enable or disable specific input channels.
- Putar Skala Menegak knob (V/div) to adjust the vertical sensitivity of the selected channel.
- Putar Kedudukan menegak knob to move the waveform vertically on the screen.
6.3 Kawalan Mendatar
- Putar Skala Mendatar knob (s/div) to adjust the time base, controlling the horizontal display of the waveform.
- Putar Kedudukan Mendatar knob to move the waveform horizontally on the screen.
6.4 Sistem Pencetus
The trigger system stabilizes repetitive waveforms and captures single-shot events.
- Tekan ke Pencetus butang untuk mengakses tetapan pencetus.
- Laraskan Tahap Pencetus tombol untuk menetapkan volumtage level at which the oscilloscope triggers.
- Use the menu options to select trigger type (Edge, Pulse, Video, etc.), source channel, and slope (rising/falling edge).
- The Autoset button automatically adjusts vertical, horizontal, and trigger settings to display a stable waveform.
6.5 Pengukuran
The oscilloscope offers various automatic measurement functions.
- Tekan ke ukur button to display a menu of available measurements (e.g., Vpp, Vmax, Vmin, Frequency, Period, Rise Time).
- Select the desired measurement and the source channel.
7. Penyelenggaraan
Penyelenggaraan yang betul memastikan jangka hayat dan ketepatan osiloskop anda.
- Pembersihan: Regularly clean the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampdiisi dengan air. Elakkan menggunakan bahan kimia yang keras atau bahan yang melelas.
- Storan: When not in use, store the oscilloscope in a clean, dry environment, protected from dust and extreme temperatures.
- Penjagaan Probe: Kendalikan prob dengan berhati-hati. Elakkan membengkokkan atau menekan kabel. Simpannya dengan betul untuk mengelakkan kerosakan pada hujung dan penyambung.
- Penentukuran: For optimal performance, periodic calibration by qualified service personnel is recommended. Refer to the full service manual or contact VOLTCRAFT support for calibration intervals.
8. Penyelesaian masalah
This section addresses common issues you might encounter with your VOLTCRAFT DOV1254 LA Digital Oscilloscope.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Power cord not connected; Power outlet faulty; Internal fuse blown. | Check power cord connection; Test power outlet; Contact service for fuse replacement. |
| Tiada bentuk gelombang dipaparkan | Channel disabled; Vertical scale too high/low; Trigger not set correctly; Probe not connected. | Enable channel; Adjust vertical scale; Adjust trigger level/type or use Autoset; Connect probe to signal source. |
| Bentuk gelombang yang tidak stabil | Incorrect trigger settings; Signal noise. | Adjust trigger level, source, or type; Ensure proper grounding; Use averaging function if available. |
| Bentuk gelombang terherot | Probe compensation incorrect; Probe bandwidth insufficient; Input signal exceeding limits. | Perform probe compensation; Use appropriate probes; Ensure input signal is within oscilloscope's voltagjulat e. |
If the problem persists after attempting these solutions, please contact VOLTCRAFT customer support.
9. Spesifikasi
Key technical specifications for the VOLTCRAFT DOV1254 LA Digital Oscilloscope:
- Nombor Model: VC-16753925
- Jenama: KERA VOLTCRAFT
- Lebar jalur: 125 MHz
- Saluran: 4
- Sampkadar le: 1.25 GSa/s
- Kedalaman Memori: 100 Mpts
- Resolusi: 12 Bit
- Dimensi: 16 x 26 x 7.8 cm (Dimensi produk)
- Pengeluar: KERA VOLTCRAFT
- Tarikh Pertama Tersedia: 16 April 2025
Nota: Spesifikasi tertakluk kepada perubahan tanpa notis terlebih dahulu.
10. Waranti dan Sokongan
VOLTCRAFT products are designed for quality and reliability. This product is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official VOLTCRAFT webtapak.
For technical support, troubleshooting assistance, or service inquiries, please contact VOLTCRAFT customer service. Contact information can typically be found on the VOLTCRAFT webtapak atau dalam pembungkusan produk.
Sumber Dalam Talian: For the latest drivers, software, and additional documentation, please visit the official VOLTCRAFT support portal.
