1. はじめに
The Ohaus Navigator Series Portable Balance, model NVT6200, is designed for accurate and repeatable weighing in various settings, including laboratory, industrial, and educational environments. This balance features fast stabilization, robust overload protection, and intuitive operation to enhance user efficiency and productivity.
主な機能は次のとおりです。
- Fast stabilization time (less than one second).
- Overload protection up to four times its rated capacity.
- Touchless sensor for hands-free operation (zero, print, tare, change functions).
- Multiple weighing modes: Weighing, Parts Counting, Percent Weighing, Checkweighing.
- Multiple units of measure: g, kg, N, oz, ozt, dwt, lb, lb/oz, ct, grain.
Figure 1: Ohaus NVT6200 Navigator Series Portable Balance. This image shows the balance with its weighing pan and LCD display.
2. セットアップ
Follow these steps to set up your Ohaus NVT6200 Portable Balance:
- 開梱: 天びんとすべての付属品をパッケージから慎重に取り出してください。パッケージは、将来の輸送や保管のために保管してください。
- 配置: Place the balance on a stable, level surface free from vibrations, drafts, and direct sunlight. Ensure the surface can support the weight of the balance and any items to be weighed.
- 電源接続:
- ACアダプター： Connect the supplied AC adapter to the balance's power input and then to a suitable power outlet.
- バッテリー電源: For portable use, install four "C" batteries (not included) into the battery compartment located on the underside of the balance. Ensure correct polarity.
- レベル調整: Use the adjustable feet and the spirit level (if present, typically near the display) to ensure the balance is perfectly level. Adjust the feet by turning them clockwise or counter-clockwise until the bubble in the spirit level is centered.
- 初回電源オン: を押す オン/オフ button to turn on the balance. Allow a brief warm-up period for optimal performance.
3. 操作
This section outlines the basic operational procedures for the NVT6200 balance.
3.1 基本的な計量
- バランスをオンにするには、 オン/オフ ボタン。
- Wait for the display to show "0.00 g" (or the last used unit) and the stability indicator to appear.
- 計量する物を計量皿の中央に置きます。
- Read the stable weight value displayed on the LCD.
- フライパンからアイテムを取り出します。
3.2 風袋引き（ゼロ調整）
容器内のアイテムの重量を量るには、Tare 機能を使用します。
- 空の容器を計量皿の上に置きます。
- を押す 風袋 button (or use the touchless sensor if configured). The display will return to "0.00 g".
- 計量する品物を容器に入れます。ディスプレイに品物の正味重量が表示されます。
3.3 計量単位の変更
The NVT6200 supports multiple weighing units. To change the unit:
- を押す ユニット button (or use the touchless sensor if configured) repeatedly to cycle through the available units (g, kg, N, oz, ozt, dwt, lb, lb/oz, ct, grain).
- Stop when the desired unit is displayed.
3.4 Using Weighing Modes
The balance offers various application modes:
- 重量: 標準的な重量測定。
- 部品の計数: For counting a large number of identical items based on a reference weight.
- パーセント計量: For measuring the weight of a sampパーセンとしてのルtag参照重量のe。
- 重量チェック: For checking if a sample's weight falls within a specified target range.
Refer to the detailed user manual for specific instructions on configuring and using each weighing mode, typically accessed via a モード or 関数 ボタン。
4. メンテナンス
Proper maintenance ensures the longevity and accuracy of your Ohaus NVT6200 balance.
- クリーニング：
- 清掃する前に必ず天びんを電源から外してください。
- Clean the weighing pan and housing with a soft cloth damp中性洗剤または水で洗い流してください。
- 研磨剤入りの洗剤、溶剤、または刺激の強い化学薬品は使用しないでください。
- Ensure no liquid enters the balance housing.
- 較正： Regular calibration with certified weights is recommended to maintain accuracy, especially after relocation or significant temperature changes. Refer to the full Ohaus manual for calibration procedures specific to the NVT6200 model.
- ストレージ： When not in use for extended periods, store the balance in a clean, dry, and stable environment. Engage the integrated shipping lock to protect the weighing cell during transportation or storage.
5。 トラブルシューティング
If you encounter issues with your NVT6200 balance, refer to the following common problems and solutions:
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| Display shows "Err" or unstable readings. | Overload, unstable surface, drafts, electromagnetic interference. | Remove excess weight. Place on a stable, level surface. Shield from drafts. Move away from interfering devices. |
| バランスがオンになりません。 | 電源なし、電池切れ、AC アダプター故障。 | Check AC adapter connection. Replace batteries if using battery power. Ensure power outlet is functional. |
| 不正確な測定値。 | Not leveled, needs calibration, temperature change, dirty pan. | Level the balance. Perform calibration. Allow balance to acclimate to ambient temperature. Clean the weighing pan. |
| Touchless sensor not responding. | Sensor obstructed, dirty sensor, feature disabled. | Ensure nothing is blocking the sensor. Clean the sensor area. Check balance settings to ensure the feature is enabled. |
If the problem persists, contact Ohaus customer support or an authorized service center.
6. 仕様
Technical specifications for the Ohaus NVT6200 Navigator Series Portable Balance:
- モデル： NVT6200
- 最大容量: 6200グラム
- Readability (Accuracy): 1グラム
- パンサイズ: 9.1インチ×6.9インチ
- 表示タイプ: 液晶
- 材料： Stainless Steel (pan)
- 力： AC Adaptor (Included) or 4 "C" Batteries (Not Included)
- 測定の単位： g, kg, N, oz, ozt, dwt, lb, lb/oz, ct, grain
- 計量モード: 計量、部品カウント、パーセント計量、チェック計量
- 風袋範囲: Full Capacity by Subtraction
- 商品の重量: 約5ポンド
7. 保証とサポート
Ohaus products are manufactured under stringent quality standards. For warranty information and technical support, please refer to the official Ohaus website or contact your local Ohaus representative.
It is recommended to register your product to receive updates and support. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, visit the official Ohaus webサイト： www.オーハウス.com