AMTAST WA-60A Portable Water Activity Meter Instruction Manual

1. Giriş

The AMTAST WA-60A Portable Water Activity Meter is designed for precise measurement of water activity (aw) in various substances, including food products like beef jerky, freeze-dried food, fruits, and vegetables. This device helps assess product preservation and stability by quantifying the free water content. Its portable design and integrated sensor make it a convenient tool for on-site analysis.

2. Ürün Bittiview

Şekil 2.1: The AMTAST WA-60A Water Activity Meter in use, displaying a water activity reading. This device measures free water activity to assess the preservation and stability of food, medicine, and other products.

Şekil 2.2: The AMTAST WA-60A Water Activity Meter with its sample plate. The kit typically includes the meter, sample plate, portable bag, and manual for accurate measurement of free water content.

Temel Özellikler:

• Taşınabilir Tasarım: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
• Doğru Ölçümler: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
• Entegre Sensör: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
• Hızlı Test: Provides rapid results, typically completing measurements within 5 minutes.
• Ekranı Temizle: Equipped with a 6-digit backlit LCD screen that simultaneously displays water activity (aw) and temperature.
• Kullanıcı Dostu Fonksiyonlar: Includes automatic and manual shut-off options, along with a low battery indicator.

Şekil 2.3: Ayrıntılı view of the meter's backlit LCD screen, showing both the water activity (aw) and temperature values for clear readings.

Şekil 2.4: Image showing the battery compartment for 2x1.5V AAA batteries and the non-conductive humidity sensor. The device also features automatic shutdown, manual shutdown, and alarm indication.

3. Özellikler

Şekil 3.1: The AMTAST WA-60A Water Activity Meter shown alongside its key specifications.

Teknik Özellikler

Parametre	Değer
Model Numarası	WA-60A
Ölçüm Aralığı	0.00 ~ 1.00 aw
Çözünürlük	±0.01 aw
Kesinlik	±0.02 aw
Temperature Operation Conditions	0-50°C
Humidity Operation Conditions	<%95 RH
Ürün Ağırlığı	100 gram (3.53 ons)
Güç Kaynağı	2 x 1.5V AAA Size (UM-4) Battery (not included)
Malzeme	ABS
Boyutlar	Approximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width

4. Kurulum

İlk kullanımdan önce cihazın doğru şekilde kurulduğundan emin olun.

1. Pil Montajı: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
2. Sample Tutucu: The meter comes with a sample holder featuring a strong magnetic connection. Ensure the sample holder is clean and dry before use.
3. Calibration (Highly Recommended): For accurate and reliable results, especially for food safety applications, it is highly recommended to calibrate the meter using certified water activity standards. This should be done in the range relevant to your testing.

5. Operasyon

Follow these steps for accurate water activity measurement:

1. S'yi hazırlaamptarih: s'nizi yerleştirinample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
2. Yeramptarih: S'yi konumlandırınample cup onto the base of the meter. The magnetic sample holder will secure it in place.
3. Dengeleme: Kritik Adım: S harfini yerleştirdikten sonraample and closing the meter, allow sufficient time for the sample to equilibrate with the sensor. This process can take several hours, or even overnight, depending on the sample type and environmental conditions. Do not turn on the meter immediately.
4. Güç Açık: bir kez sample has equilibrated, turn on the meter while it is still closed on the sampley.
5. Ölçümü Oku: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
6. Kapat: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.

Şekil 5.1: The meter is designed for quick and efficient testing, providing accurate readings for water activity measurements.

Şekil 5.2: The AMTAST WA-60A is widely used for testing water activity in various food products, including dried fruits, beef jerky, cookies, and sausages.

6. Bakım

• Temizlik: S'yi saklaample holder and sensor area clean and free from debris. Use a soft, dry cloth to wipe the device. Do not use abrasive cleaners or immerse the device in water.
• Depolamak: Store the meter in its protective case in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
• Kalibrasyon: Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.

7. Sorun Giderme

8. Güvenlik Bilgileri

• Cihazı kendiniz sökmeye veya onarmaya çalışmayın. Servis için yetkili personele başvurun.
• Cihazı aşırı sıcaklıklardan, nemden ve doğrudan güneş ışığından uzak tutun.
• Fiziksel hasarlardan kaçınmak için cihazı dikkatli kullanın.
• Pilleri yerel düzenlemelere göre atın.

9. Garanti ve Destek

For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webiletişim bilgileri için site.

AMTAST Official Store: Visit the AMTAST Store on Amazon