1. はじめに
The Fluke TP175 TwistGuard Test Probes are designed for electrical testing, offering enhanced safety and precision. These probes feature an adjustable tip length, allowing users to reduce tip exposure for safety in higher category environments or extend it for precision in lower category applications. Compatible with various Fluke test leads, the TP175 probes are an essential accessory for professional electrical measurements.
2. 安全情報
Always adhere to safety precautions when working with electrical equipment. Failure to do so may result in injury or damage to equipment.
- 使用前に点検してください: Always inspect test leads and probes for damage (e.g., cracks, frayed insulation) before each use. Do not use damaged equipment.
- CAT Ratings: The TP175 probes are rated CAT II 1000V, CAT III 1000V, and CAT IV 600V. Ensure the probes' rating matches or exceeds the environment and voltag測定中です。
- Adjust Tip Shroud: Use the TwistGuard feature to expose only the necessary amount of tip. For higher CAT environments, minimize tip exposure to reduce the risk of arc flash.
- 最大定格: 最大容量を超えないでくださいtage (1000V) or current (10A) ratings.
- 汚染度: Rated for Pollution Degree 2 environments. Avoid use in excessively dirty or wet conditions.
- UL リスト: These probes are UL Listed, indicating compliance with safety standards.
3.製品オーバーview
The Fluke TP175 TwistGuard Test Probes are designed for versatility and safety in electrical measurements. Key features include:
- Adjustable Tip Length: Patented TwistGuard extendable tip shroud allows adjustment of tip exposure from 2mm to 19mm.
- 安全性評価: CAT II 1000V, CAT III 1000V, CAT IV 600V, 10A maximum.
- 互換性: Designed to be compatible with Fluke TL22x series, TL238, and TL27 test leads.
- 耐久性のある構造: Built for professional use in various environmental conditions.

Figure 1: Fluke TP175 TwistGuard Test Probes. One probe shows the tip extended for precision, and the other shows the tip retracted for safety.
4. セットアップ
To prepare your Fluke TP175 TwistGuard Test Probes for use:
- Connect to Test Leads: Insert the banana plug end of the TP175 probes firmly into the corresponding jacks on your compatible Fluke test leads (e.g., TL22x series, TL238, TL27). Ensure a secure connection.
- Adjust Tip Shroud: The TwistGuard mechanism allows you to adjust the exposed tip length. Rotate the red or black shroud on the probe to extend or retract the metal tip.
- For CAT III/IV environments, retract the shroud to expose only 2mm of the tip for maximum safety.
- For CAT II environments or when greater reach is required, extend the shroud to expose up to 19mm of the tip.

Figure 2: Fluke TP175 Test Probes connected to standard red and black test leads, ready for use.
5. 操作手順
Once the TP175 probes are securely connected to your multimeter's test leads and the tip shroud is adjusted for the measurement environment, proceed with your electrical tests.
- 測定機能を選択: On your multimeter, select the appropriate function (e.g., AC Voltage、DC ボリュームtage, Resistance, Continuity, Current).
- Apply Probes: Carefully touch the probe tips to the test points of the circuit or component you are measuring. Ensure good contact.
- 巻の場合tage measurements, place probes across the points where voltage を測定する必要があります。
- For current measurements, the probes are typically used in series with the circuit, or a clamp meter function may be used if available on your primary device.
- For continuity or resistance, ensure the circuit is de-energized before applying probes.
- 測定値の読み取り: Observe the reading on your multimeter display.
- プローブを削除: Always remove the probes from the circuit after completing the measurement.

Figure 3: Proper use of the Fluke TP175 Test Probe for making a measurement on an electrical connection, demonstrating safe handling with gloves.
6. メンテナンス
Proper maintenance ensures the longevity and accuracy of your Fluke TP175 Test Probes.
- クリーニング: Clean the probes with a damp cloth and mild detergent. Do not use abrasive cleaners or solvents. Ensure probes are completely dry before storage or next use.
- 検査: Regularly inspect the probes for any signs of wear, cuts, cracks, or damage to the insulation or tip. Replace immediately if any damage is found.
- ストレージ: Store the probes in a clean, dry environment, away from extreme temperatures and direct sunlight. Avoid kinking or sharply bending the leads.
7。 トラブルシューティング
If you encounter issues with your Fluke TP175 Test Probes, consider the following:
- 読書なし/断続読書: Check for loose connections between the probes and the test leads, or between the test leads and the multimeter. Ensure the probe tips are making good contact with the test points.
- 不正確な読み取り: Verify that the multimeter is set to the correct measurement function and range. Ensure the probes are not damaged and are clean.
- 物理的ダメージ: If the insulation is cracked, cut, or the tip is bent or broken, the probes must be replaced immediately to ensure safety and proper function.
8. 仕様
| 特徴 | 仕様 |
|---|---|
| モデル | TP175 |
| 巻tage評価 | 1000V |
| 現在の評価 | 最大10A |
| CAT評価 | CAT II 1000V, CAT III 1000V, CAT IV 600V |
| 先端直径 | 2mm |
| 汚染度 | 2 |
| 環境評価 | -20 to 55 °C (-4 to 131 °F), Altitude: 2000m (6562 ft) |
| 寸法 | 10 x 7.5 x 2.5 cm |
| 重さ | 59グラム |
| 認証 | UL Listed, Conforms to EN61010-031 |
9. 保証とサポート
The Fluke TP175 TwistGuard Test Probes come with a 1年間保証.
For warranty claims, technical support, or additional product information, please visit the official Fluke website or contact your authorized Fluke distributor. Ensure you retain your proof of purchase for warranty validation.