1. はじめに
The OWON SDS220S-200MHz is a high-performance dual-channel desktop oscilloscope integrated with a 25MHz waveform generator. This device features a 200MHz bandwidth, 1GSa/s sample rate, and a 20M record length, making it suitable for various electronic measurement and analysis tasks. It supports 30 automatic waveform measurements, FFT Spectrum Analysis, and PC communication via USB for remote control and secondary development using SCPI and LabVIEW. This manual provides essential information for the safe and effective operation of your SDS220S-200MHz oscilloscope.
Figure 1.1: OWON SDS220S-200MHz Multifunctional Digital Oscilloscope overview, highlighting its 2 channels, 20M record length, 1GSa/s real-time sample rate, and 25MHz waveform generator.
2. 安全情報
感電やけがを防ぎ、オシロスコープや接続された機器の損傷を防ぐために、次の安全上の注意事項を守ってください。
- 適切な接地: Ensure the oscilloscope is properly grounded. The instrument is grounded through the power cord's grounding conductor. To avoid electric shock, the grounding conductor must be connected to earth ground.
- Connect and Disconnect Properly: Connect the probe output to the oscilloscope input before connecting the probe to the circuit under test. Disconnect the probe from the circuit under test before disconnecting it from the oscilloscope.
- すべての端末定格を遵守してください: To prevent fire or shock hazard, observe all ratings and markings on the instrument. Consult the product manual for more information about ratings before making connections to the instrument.
- Use Proper Probes: Use only probes supplied with the instrument or recommended by the manufacturer. Ensure probes are rated for the voltage and current being measured. The included P4250 High Voltage Probe has a 100:1 attenuation ratio and is rated for 2KV Working Voltage (Vp-p).
- Avoid Exposed Circuitry: Do not touch exposed connections or components when power is present.
- 障害が疑われる場合は操作しないでください。 If you suspect damage to the instrument, have it inspected by qualified service personnel.
- 乾燥した状態を維持する: 濡れた場所や高温の場所では機器を操作しないでください。amp 条件。
- Operate in a Well-Ventilated Area: 過熱を防ぐために適切な換気を確保してください。
3.製品オーバーview
3.1 主な特徴
- 200MHz Bandwidth, Dual Channel
- 1GSa/s Sample Rate (Dual-channel Independent)
- 20M Record Length
- Built-in 25MHz Waveform Generator (1CH AWG, 125MSa/s Real-time Sample Rate, 8K Arbitrary waveform length)
- 7-inch TFT LCD (800*480 pixels resolution)
- Support for 30 Automatic Waveform Measurements
- FFTスペクトル解析
- SCPI and LabVIEW support for remote control and secondary development
- USB Device interface for PC communication
- 16 Waveform Storage locations
- 周波数カウンタ
- Compact and lightweight design (1.1KG / 2.42 lbs)
3.2 フロントパネルのコンポーネント
Figure 3.1: Front panel of the SDS220S, showing the display, button and knob control area, power switch, function keys, probe compensation output, oscilloscope signal input ports (CH1, CH2), and signal generator output port.
3.3 背面パネルのコンポーネント
Figure 3.2: Rear panel of the SDS220S, illustrating the foldable handle, ventilation holes, power socket, USB Device interface for PC connection, and the integrated stand.
3.4 Included Accessories: P4250 High Voltageプローブ
The SDS220S includes an extra P4250 High Voltage Probe. This probe is designed for high voltage measurements and features:
- 帯域幅: 250MHz
- Attenuation Ratio: 100:1
- 入力抵抗: 100MΩ
- 最大入力ボリュームtage: 2KV Working Voltage (Vp-p)
Figure 3.3: The P4250 High Voltage Probe, an included accessory, with its detailed specifications table.
4. セットアップ
4.1 開梱と検査
- オシロスコープとすべての付属品をパッケージから慎重に取り出します。
- Inspect the device for any signs of damage during transit. If damage is found, contact your supplier immediately.
- 梱包リストに記載されているすべての品目が揃っていることを確認します。
4.2電源接続
- Connect the provided power cord to the power socket on the rear panel of the oscilloscope.
- 電源コードのもう一方の端をアース付きAC電源コンセントに差し込みます。電源電圧が十分であることを確認してください。tage はデバイス ラベルに指定された要件を満たしています。
4.3 初回電源投入
- Press the power switch located on the front panel to turn on the oscilloscope.
- The device will perform a self-test and display the startup screen.
4.4 プローブの接続と補正
- Connect the BNC connector of the oscilloscope probe to one of the input channels (CH1 or CH2) on the front panel.
- Attach the probe tip to the probe compensation output (5V/1kHz signal) on the front panel.
- プローブの補正トリマーを調整し、画面にフラットトップの矩形波が表示されるようにします。これにより、正確な測定が可能になります。
5. 操作手順
5.1 オシロスコープの基本操作
The SDS220S allows for precise visualization and analysis of electrical signals.
Figure 5.1: The SDS220S oscilloscope in operation, displaying a waveform on its screen while connected to a circuit.
- 回路への接続: Connect the compensated probe to the desired test point on your circuit.
- 垂直スケール（ボルト/div）: 使用 垂直 knob to adjust the vertical sensitivity, changing the voltage scale per division on the display.
- 垂直位置: 使用 位置 knob in the Vertical section to move the waveform up or down on the screen.
- 水平スケール（時間/目盛り）: 使用 水平 knob to adjust the time base, changing the time scale per division.
- 水平位置: 使用 位置 knob in the Horizontal section to shift the waveform left or right.
- トリガー： の トリガー section controls when the oscilloscope starts acquiring data. Adjust the trigger level to stabilize the waveform. The SDS220S supports Edge and Video trigger types.
- 自動測定: を押す 測定 button to access the automatic measurement menu. The SDS220S supports 30 types of automatic measurements (e.g., Period, Frequency, Vpp, Vmax, Vmin, Rise Time, Fall Time).
Figure 5.2: The SDS220S displaying the menu for 30 automatic waveform measurements, allowing for detailed signal analysis.
5.2 波形発生器の操作
The built-in 25MHz waveform generator can produce various standard and arbitrary waveforms.
Figure 5.3: The SDS220S functioning as both an oscilloscope (left) and a waveform generator (right), demonstrating its dual capabilities.
- 出力を接続: Connect the signal generator output port to the desired input of your circuit or to an oscilloscope channel for monitoring.
- 波形を選択: Use the function keys to select the desired waveform type (Sine, Square, Ramp, Pulse, Arbitrary). The SDS220S offers 5 standard waveforms and over 160 kinds of arbitrary waveforms.
- パラメータを調整します: Use the control knobs and menu options to set the frequency (up to 25MHz), amplitude (5mVpp to 3Vpp), and DC offset of the generated waveform.
5.3つの高度な機能
- FFTスペクトル解析: を押す 数学 button and select FFT to analyze the frequency components of a signal.
- XYモード: This mode is used to display the relationship between two signals, often for phase comparison.
- 保存/呼び出し: The oscilloscope allows saving and recalling up to 16 waveforms for later analysis or comparison.
- PC接続: Connect the oscilloscope to a PC via the USB Device interface for remote control and data transfer. The device supports SCPI commands and LabVIEW for custom applications.
Figure 5.4: The SDS220S connected to a laptop via USB, demonstrating its capability for remote control and secondary development using SCPI and LabVIEW ソフトウェア。
6. メンテナンス
6.1デバイスのクリーニング
To maintain the performance and appearance of your oscilloscope:
- 清掃する前に電源コードを抜いてください。
- 柔らかい布を使用してください。ampened with a mild detergent solution to clean the exterior surfaces. Do not use abrasive cleaners or solvents.
- ディスプレイの場合は、画面専用の柔らかく糸くずの出ない布を使用してください。
- Ensure no liquid enters the device through ventilation holes or ports.
6.2 プローブのケア
- Store probes carefully to prevent damage to the tips or cables.
- Regularly check probe cables for cuts or damage. Replace damaged probes immediately.
- Recalibrate probes periodically, especially after significant temperature changes or if measurements appear inaccurate.
7。 トラブルシューティング
このセクションでは、発生する可能性のある一般的な問題に対する解決策を示します。
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| 電源なし | Power cord not connected; Power outlet faulty; Device fuse blown | 電源コードの接続を確認し、電源コンセントをテストし、ヒューズの交換についてはサービスに問い合わせてください。 |
| 波形が表示されない | Probe not connected; Input signal too small/large; Trigger settings incorrect; Channel turned off | Ensure probe is connected to input and circuit; Adjust Vertical Scale (Volts/Div); Adjust trigger level and mode; Ensure channel is enabled. |
| 歪んだ波形 | Probe compensation incorrect; Probe bandwidth insufficient; Signal integrity issues | Perform probe compensation; Use a probe with appropriate bandwidth (e.g., P4250 for high frequency); Check signal source. |
| Waveform unstable | Trigger level or mode incorrect; Noise in signal | Adjust trigger level and mode; Use averaging mode to reduce noise. |
| Waveform generator output not working | Output cable not connected; Output enabled setting incorrect; Parameters set to zero | Connect output cable; Ensure waveform generator output is enabled in menu; Check frequency and amp緯度の設定。 |
8. 仕様
8.1 オシロスコープのパラメータ
| パラメータ | 仕様 |
|---|---|
| アナログ帯域幅 | 200MHz |
| チャンネル | 2 |
| Sampリンレート | 1GSa/秒 |
| Max Record Length | 20メートル |
| 入力カップリング | DC、AC、アース |
| 垂直感度範囲 | 2 mV/div ～ 10 V/div |
| 分解能 | 8 bits (2 Channels Simultaneously) |
| 波形保存 | 16 波形 |
| トリガータイプ | エッジ、ビデオ |
| 時間基準範囲 | 2ns/div ~ 1000s/div, Step by 1-2-5 |
| 波形計算 | +, -, ×, ÷, FFT |
| 入力インピーダンス | 1MΩ±2%, In Parallel with 20 pF±5 pF |
| スキャンモード | Normal, Peakdetect, Averaging |
| 通信インターフェース | USBホストとデバイス |
8.2 Waveform Generator Parameters
| パラメータ | 仕様 |
|---|---|
| Max Frequency Output | 25MHz |
| チャンネル | 1CH AWG |
| Sampルレート | 125MSa / s |
| 任意の波形長 | 8K |
| 出力 Ampリチュード | 5mVpp to 3 Vpp (50Ω) |
| 分解能 | 14ビット |
| 標準波形 | 正弦波、方形波、Ramp Wave, Pulse Wave, Arbitrary Wave |
| 任意波形 | Sinc, Exponential Rise, Exponential Decline, Gaussian, more than 160 kinds |
| DCオフセット | ±(3V) (High Resistance) |
8.3一般仕様
| パラメータ | 仕様 |
|---|---|
| 画面 | 7-inch TFT LCD (800*480 pixels) |
| 製品寸法 | 11.85 x 2.76 x 6 インチ (301 x 70 x 152 mm) |
| アイテム重量 | 2.42ポンド（1.1キログラム） |
| 動作温度 | -10℃～55℃ |
| 動作湿度 | ≤90% (41°C) to ≤60% (50°C) |
| 動作高度 | 3000メートル |
Figure 8.1: A comprehensive table detailing the specifications for both the oscilloscope and waveform generator functions of the SDS220S.
Figure 8.2: The physical dimensions of the OWON SDS220S, highlighting its compact and ultra-thin body design.
9. 保証とサポート
9.1 保証情報
OWON products are manufactured under strict quality standards. This product is covered by a limited warranty against defects in materials and workmanship. The specific warranty period and terms may vary by region and retailer. Please retain your proof of purchase for warranty claims.
9.2 テクニカルサポート
For technical assistance, troubleshooting, or service inquiries, please contact your local OWON distributor or refer to the official OWON website for support resources and contact information. When contacting support, please have your product model (SDS220S) and serial number available.