1. Киришүү
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. Продукт бүтүп калдыview
2.1-сүрөт: 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.
2.2-сүрөт: 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.
Негизги өзгөчөлүктөрү:
- Портативдик дизайн: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
- Так өлчөө: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
- Интегралдык сенсор: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
- Ыкчам тестирлөө: Provides rapid results, typically completing measurements within 5 minutes.
- Таза дисплей: Equipped with a 6-digit backlit LCD screen that simultaneously displays water activity (aw) and temperature.
- Колдонуучуга ыңгайлуу функциялар: Includes automatic and manual shut-off options, along with a low battery indicator.
2.3-сүрөт: Деталдаштырылган view of the meter's backlit LCD screen, showing both the water activity (aw) and temperature values for clear readings.
2.4-сүрөт: 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. Техникалык шарттар
3.1-сүрөт: The AMTAST WA-60A Water Activity Meter shown alongside its key specifications.
| Параметр | Нарк |
|---|---|
| Модель номери | WA-60A |
| Өлчөө диапазону | 0.00 ~ 1.00 aw |
| Резолюция | ±0.01 aw |
| Тактык | ±0.02 aw |
| Temperature Operation Conditions | 0-50°C |
| Humidity Operation Conditions | <95% RH |
| Элемент Салмагы | 100 грамм (3.53 унция) |
| Электр камсыздоо | 2 x 1.5V AAA Size (UM-4) Battery (not included) |
| Материал | ABS |
| Өлчөмдөр | Approximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width |
4. Орнотуу
Before first use, ensure the device is properly set up.
- Батарея орнотуу: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
- Sample Holder: The meter comes with a sample holder featuring a strong magnetic connection. Ensure the sample holder is clean and dry before use.
- 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.
Видео 4.1: This video demonstrates the setup and basic operation of the AMTAST WA-60A Water Activity Meter, including how to prepare samples for measurement.
5. Операция
Follow these steps for accurate water activity measurement:
- Даярдоо Сampле: Силерди койгулаample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
- Орун Сampле: s жайгаштырыңызample cup onto the base of the meter. The magnetic sample holder will secure it in place.
- Тең салмактуулук: Маанилүү кадам: After placing the sample 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.
- Күйгүзүү: Бир жолу сample has equilibrated, turn on the meter while it is still closed on the sample.
- Өлчөөнү окуу: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
- Өчүрүү: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.
Видео 5.1: Бул видео жалпы маалымат беретview of the AMTAST Smart Water Activity Meter, demonstrating its use in a laboratory setting.
Видео 5.2: This video demonstrates the process of using the Water Activity Meter for monitoring food water activity (AW).
5.1-сүрөт: The meter is designed for quick and efficient testing, providing accurate readings for water activity measurements.
5.2-сүрөт: The AMTAST WA-60A is widely used for testing water activity in various food products, including dried fruits, beef jerky, cookies, and sausages.
6. Техникалык тейлөө
- Тазалоо: с сактаңызample 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.
- Сактагыч: 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.
- Калибрлөө: Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.
7. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Так эмес же туура эмес окуулар | Insufficient equilibration time; lack of calibration; dirty sensor. | камсыз кылуу sample equilibrates for several hours before measurement. Calibrate the device regularly with appropriate standards. Clean the sensor and sample holder. |
| Түзмөк күйбөйт | Өлүк же туура эмес орнотулган батарейкалар. | Check battery polarity. Replace batteries with fresh 1.5V AAA batteries. |
| Дисплей күңүрт же окулбайт | Батарея аз. | Батареяларды алмаштырыңыз. |
8. Коопсуздук маалыматы
- Аппаратты өз алдынча бөлүүгө же оңдоого аракет кылбаңыз. Тейлөө үчүн квалификациялуу кызматкерлерге кайрылыңыз.
- Аппаратты экстремалдык температурадан, нымдуулуктан жана тике күн нурунан алыс кармаңыз.
- Физикалык зыян келтирбөө үчүн аппаратты этияттык менен колдонуңуз.
- Батареяларды жергиликтүү эрежелерге ылайык жок кылыңыз.
9. Кепилдик жана колдоо
For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webбайланыш маалыматы үчүн сайт.
AMTAST Official Store: Visit the AMTAST Store on Amazon
