AMTAST AMT158 Tragbares Wasseraktivitätsmessgerät – Benutzerhandbuch

1. Einleitung

This manual provides detailed instructions for the AMTAST AMT158 Portable Water Activity Meter. It covers the product's features, technical specifications, proper setup, operational procedures, maintenance guidelines, and troubleshooting steps. Please read this manual thoroughly before using the device to ensure accurate measurements and safe operation.

2. Produktüberschreitungview

2.1 Hauptmerkmale

• Leicht und tragbar: Weighing approximately 275 grams, the meter is designed for easy transport and on-the-go testing.
• Accurate & Reliable Measurements: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of ±0.02aw for precise water activity analysis.
• Integrierter Sensor: Features a non-conductive humidity sensor and integrated readings within a single unit, simplifying the measurement process.
• Quick Testing Process: Provides rapid results, completing water activity measurements within approximately 5 minutes.
• Convenient Display & Functions: Equipped with a 6-digit backlit LCD screen displaying both water activity (aw) and temperature simultaneously. Includes automatic and manual shut-off options, and a low battery indicator.

2.2 Komponenten

The AMTAST AMT158 Water Activity Meter package typically includes the main unit (host), a sample plate, a portable carrying bag, and this instruction manual.

3. Spezifikationen

4. Einrichtung

4.1 Einlegen der Batterie

1. Suchen Sie die Abdeckung des Batteriefachs auf der Rückseite des Geräts.
2. Schieben oder lösen Sie die Abdeckung, um sie zu öffnen.
3. Insert two (2) 1.5V AAA (UM-4) batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Bringen Sie den Batteriefachdeckel wieder fest an.

Note: Batteries are not included in the package due to aviation security regulations.

4.2 Erstinspektion

Before first use, inspect the device for any visible damage. Ensure the sample plate is clean and free from debris. The sensor should also be clean and unobstructed.

5. Bedienung

5.1 Ein-/Ausschalten

• To power on the device, press the power button (usually marked with a ⑂ symbol). The backlit LCD screen will illuminate.
• The device features an automatic shut-off function to conserve battery power. To manually shut off the device, press and hold the power button until the display turns off.

5.2 Messung durchführen

1. Stellen Sie sicher, dass die sample plate is clean and dry.
2. Place a small, representative sample of the material to be tested onto the sample plate. Ensure the sample covers the sensor area adequately without overflowing.
3. Close the meter's lid or place the main unit onto the sample plate, ensuring a tight seal to create a closed environment for accurate measurement.
4. The measurement process will begin automatically or may require a button press (refer to specific on-screen prompts if any). The device will typically take approximately 5 minutes to stabilize and display the final water activity (aw) and temperature readings.
5. Once the reading is stable, record the displayed values.
6. After measurement, remove the sample and clean the sample plate and sensor area immediately.

5.3 Anwendungen

The AMTAST AMT158 Water Activity Meter is suitable for measuring water activity in a wide range of products, including but not limited to:

• Dried fruits and vegetables
• Beef jerky and other dried meats
• Baked goods like cookies
• Sausages and processed meats
• Grains, nuts, and spices

6. Wartung

6.1 Reinigung

• After each use, carefully clean the sample plate and the area around the sensor with a soft, dry cloth.
• Do not use abrasive cleaners or solvents, as these can damage the sensor or the device's casing.
• Ensure no liquid enters the device's internal components.

6.2 Speicherung

Store the meter in a clean, dry environment, away from direct sunlight and extreme temperatures. When storing for extended periods, remove the batteries to prevent leakage.

6.3 Batteriewechsel

When the low battery indicator appears on the display, replace both AAA batteries promptly to ensure continued accurate operation. Refer to Section 4.1 for battery installation instructions.

7. Fehlerbehebung

8. Garantie und Support

Informationen zu Garantie, technischem Support oder Serviceanfragen erhalten Sie beim Hersteller oder Ihrem autorisierten Händler. Bewahren Sie Ihren Kaufbeleg als Kaufnachweis auf.

You can visit the official AMTAST store for more information: AMTAST Store on Amazon