1. المقدمة
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. تعليمات السلامة
Observe the following safety precautions to prevent injury and avoid damage to the instrument or any connected devices:
- مصدر الطاقة: Ensure the oscilloscope is connected to a power source with the correct voltage and frequency as specified in the technical specifications.
- التأريض: The instrument must be properly grounded to prevent electric shock. Do not defeat the grounding conductor.
- المجسات: Use only probes supplied or recommended by VOLTCRAFT. Ensure probes are correctly rated for the voltage and current being measured.
- بيئة: Operate the oscilloscope in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and excessive dust or moisture.
- صيانة: Refer all servicing to qualified service personnel. Do not attempt to open or repair the instrument yourself.
- تنظيف: افصل الكهرباء قبل التنظيف. استخدم قطعة قماش ناعمة.amp القماش. لا تستخدم المنظفات أو المذيبات الكاشطة.
3. محتويات العبوة
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
- سلك الطاقة
- Passive Probes (Quantity: 4, typically)
- كابل يو اس بي
- دليل البدء السريع
- Calibration Certificate (if applicable)
إذا كانت أي من العناصر مفقودة أو تالفة، اتصل بالمورد الخاص بك على الفور.
4. انتهى المنتجview
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 اللوحة الأمامية
الشكل 1: الجبهة 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
الشكل 2: الجبهة بزاوية view of the oscilloscope, providing a better perspective of the side ventilation and overall form factor.
هذا 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 الجانب View
الشكل 3: الجانب view of the oscilloscope, showing the depth and additional ventilation details.
الجانب المؤيدfile 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. الإعداد
Follow these steps to set up your VOLTCRAFT DOV1254 LA Digital Oscilloscope for initial use:
- الموقع: Place the oscilloscope on a stable, level surface with adequate ventilation around the unit.
- توصيل الطاقة: 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.
- اتصال التحقيق: 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.
- Probe Compensation: 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.
- تشغيل الطاقة: Press the power button located on the front panel to turn on the oscilloscope.
6. Operating the Oscilloscope
This section covers basic operational procedures for the VOLTCRAFT DOV1254 LA.
6.1 تشغيل/إيقاف التشغيل
اضغط على قوة 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
- استخدم CH1, CH2, CH3, CH4 buttons to enable or disable specific input channels.
- تدوير المقياس العمودي knob (V/div) to adjust the vertical sensitivity of the selected channel.
- تدوير الوضع الرأسي knob to move the waveform vertically on the screen.
6.3 الضوابط الأفقية
- تدوير المقياس الأفقي knob (s/div) to adjust the time base, controlling the horizontal display of the waveform.
- تدوير الوضع الأفقي knob to move the waveform horizontally on the screen.
6.4 Trigger System
The trigger system stabilizes repetitive waveforms and captures single-shot events.
- اضغط على مشغل button to access trigger settings.
- ضبط مستوى التهديف knob to set the voltage 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).
- ال الضبط التلقائي button automatically adjusts vertical, horizontal, and trigger settings to display a stable waveform.
6.5 قياسات
The oscilloscope offers various automatic measurement functions.
- اضغط على يقيس 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. الصيانة
إن الصيانة المناسبة تضمن طول عمر ودقة جهاز قياس الذبذبات الخاص بك.
- تنظيف: Regularly clean the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampانتهى بالماء. تجنب استخدام المواد الكيميائية القاسية أو المواد الكاشطة.
- تخزين: When not in use, store the oscilloscope in a clean, dry environment, protected from dust and extreme temperatures.
- العناية بالمسبار: Handle probes carefully. Avoid bending or stressing the cables. Store them properly to prevent damage to the tips and connectors.
- معايرة: 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. استكشاف الأخطاء وإصلاحها
This section addresses common issues you might encounter with your VOLTCRAFT DOV1254 LA Digital Oscilloscope.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يوجد طاقة | Power cord not connected; Power outlet faulty; Internal fuse blown. | Check power cord connection; Test power outlet; Contact service for fuse replacement. |
| لم يتم عرض أي شكل موجي | 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. |
| شكل موجة غير مستقر | Incorrect trigger settings; Signal noise. | Adjust trigger level, source, or type; Ensure proper grounding; Use averaging function if available. |
| شكل موجة مشوه | Probe compensation incorrect; Probe bandwidth insufficient; Input signal exceeding limits. | Perform probe compensation; Use appropriate probes; Ensure input signal is within oscilloscope's voltagالنطاق ه. |
If the problem persists after attempting these solutions, please contact VOLTCRAFT customer support.
9. المواصفات
Key technical specifications for the VOLTCRAFT DOV1254 LA Digital Oscilloscope:
- رقم الموديل: في سي-16753925
- ماركة: VOLTCRAFT
- النطاق الترددي: 125 ميجا هرتز
- القنوات: 4
- Sampمعدل جنيه: 1.25 جيجاسا/ثانية
- عمق الذاكرة: 100 ميجا بايت
- دقة: 12 بت
- أبعاد: 16 × 26 × 7.8 سم (أبعاد المنتج)
- الشركة المصنعة: VOLTCRAFT
- أول تاريخ متاح: 16 أبريل 2025
ملاحظة: المواصفات عرضة للتغيير دون إشعار مسبق.
10. الضمان والدعم
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 webموقع.
For technical support, troubleshooting assistance, or service inquiries, please contact VOLTCRAFT customer service. Contact information can typically be found on the VOLTCRAFT webالموقع أو في عبوة المنتج.
الموارد المتاحة على الإنترنت: For the latest drivers, software, and additional documentation, please visit the official VOLTCRAFT support portal.
