Skyking WT333E
Yokogawa WT333E Digital Power Analyzer User Manual
Model: WT333E | Brand: Skyking
1. はじめに
The Yokogawa WT333E Digital Power Analyzer is a high-precision instrument designed for accurate and reliable power measurements across a wide range of applications. This manual provides essential information for the safe and effective use of the device, covering its features, setup, operation, and maintenance.
The WT333E is ideal for research and development, manufacturing, and quality assurance, offering flexible measurement capabilities for single-phase and three-phase AC/DC power sources.
2. 安全情報
Please read all safety precautions carefully before operating the instrument.
- 必ず適切に接地された電源コンセントに機器を接続してください。
- 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。
- 電源を投入する前に、すべての接続が安全であることを確認してください。
- Do not attempt to open or repair the instrument. Refer servicing to qualified personnel.
- 指定された電源コードと付属品のみを使用してください。
- 全巻観察tage and current limits specified for the instrument.
3.製品オーバーview およびコンポーネント
3.1 フロントパネルのレイアウト
The front panel of the WT333E features a clear digital display and intuitive controls for easy operation.

This image displays the front panel of the Yokogawa WT333E Digital Power Analyzer. It features a large digital display showing measurement values for channels A, B, C, and D, along with various function buttons for voltage, current, mode, hold, setup, and data management. The power button is located at the bottom left.
3.2 Key Controls and Indicators
- 画面: Multi-line digital display showing real-time measurement values (Voltage, Current, Power, etc.) for different channels.
- 電源ボタン: Located at the bottom left, used to turn the unit on/off.
- ファンクションキー: Buttons labeled VOLTAGE, CURRENT, MODE, HOLD, SET, CAL, START, STOP, RESET, SETUP, SAVELOAD, SHIFT, UTILITY, HARMONICS, LOCAL, INTERFACE, KEY PROTECT, WIRING for various measurement and configuration settings.
- ナビゲーションキー: メニューナビゲーションと値の調整に使用されます。
- 入力端子: Located on the rear (not visible in image) for connecting voltage and current probes.
4. セットアップ
4.1電源接続
- Ensure the WT333E is placed on a stable, level surface with adequate ventilation.
- 付属の電源コードを機器背面パネルの AC 入力に接続します。
- Plug the other end of the power cord into a grounded AC power outlet (100-240V AC, 50/60Hz).
- を押す 力 button on the front panel to turn on the instrument.
4.2入力接続
Connect your measurement leads to the appropriate voltage and current input terminals on the rear panel. Refer to the wiring diagrams for single-phase (1P3W) or three-phase (3P4W) configurations as needed. Ensure all connections are secure to prevent measurement errors or damage.
5. 操作
5.1 基本測定
- After powering on, the instrument will display default measurement parameters.
- 使用 巻TAGE そして 現在 buttons to select the desired measurement range. The instrument also supports AUTO ranging.
- を押す モード button to cycle through different measurement modes (e.g., RMS, Mean, DC).
- The display will show real-time values for voltage, current, active power, reactive power, apparent power, power factor, and frequency.
5.2高度な機能
- Harmonics Measurement: を押す ハーモニクス button to enter the harmonics measurement mode. This allows analysis of harmonic components of voltage と現在。
- Integration Function: 使用 INTEG SET button to configure and initiate energy integration measurements (Wh, VAh, etc.). Press 始める to begin integration and 停止 終了します。
- データストレージ: の SAVELOAD button allows you to save measurement data or recall previously saved configurations.
- インタフェース: The WT333E supports USB, GPIB, and Ethernet interfaces for data transfer and remote control. Refer to the interface section in the full manual for detailed setup.
6. メンテナンス
6.1 クリーニング
- Turn off and unplug the instrument before cleaning.
- 外側は柔らかく乾いた布で拭いてください。頑固な汚れには、布を軽く湿らせてから拭いてください。amp水と中性洗剤で強化。
- Do not use abrasive cleaners, solvents, or alcohol, as these may damage the casing またはディスプレイ。
6.2 ストレージ
When not in use, store the WT333E in a clean, dry environment, away from direct sunlight, extreme temperatures, and excessive humidity. Protect it from dust and physical shock.
6.3 キャリブレーション
For optimal accuracy, periodic calibration by qualified service personnel is recommended. Refer to the manufacturer's guidelines for recommended calibration intervals.
7。 トラブルシューティング
This section provides solutions to common issues you may encounter with the WT333E.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| 機器の電源が入りません。 | No power supply; faulty power cord; internal fuse. | Check power cord connection; verify power outlet; contact service if fuse is suspected. |
| No measurement displayed. | Incorrect input connections; wrong measurement range; no input signal. | Verify input wiring; adjust measurement range; ensure device under test is powered. |
| 不正確な測定値。 | Improper calibration; environmental interference; incorrect wiring. | Perform calibration (if applicable); check for strong electromagnetic fields; re-verify wiring. |
| ボタンが反応しません。 | Key Protect function active; temporary software glitch. | プレス KEY PROTECT to deactivate; power cycle the instrument. |
8. 仕様
Key technical specifications for the Yokogawa WT333E Digital Power Analyzer:
| 仕様 | 価値 |
|---|---|
| ブランド | Skyking |
| メーカー | 横河電機 |
| モデル番号 | WT333E |
| 原産国 | 日本 |
| アイテム重量 | 1kg 200グラム |
| 製品寸法(長さx幅x高さ) | 30 x 20 x 12 cm |
| 電源 | コード式電気 |
| 含まれるコンポーネント | YOKOGAWA WT333E, Software Included |
| 一般名 | パワーメーター |
9. 保証とサポート
9.1 保証情報
The Yokogawa WT333E Digital Power Analyzer comes with a standard manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including warranty period and coverage details.
9.2 テクニカルサポート
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact Skyking Instruments, the authorized distributor and service provider. Contact information can typically be found on the product packaging or the official Skyking Instruments webサイト。
When contacting support, please have your product model number (WT333E) and serial number ready.
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