1. Танилцуулга
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. Бүтээгдэхүүн дууссанview
Зураг 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.
Зураг 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.
Гол онцлогууд:
- Зөөврийн дизайн: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
- Нарийвчилсан хэмжилт: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
- Нэгдсэн мэдрэгч: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
- Түргэн туршилт: Provides rapid results, typically completing measurements within 5 minutes.
- Дэлгэцийг арилгах: Equipped with a 6-digit backlit LCD screen that simultaneously displays water activity (aw) and temperature.
- Хэрэглэгчдэд ээлтэй функцууд: Includes automatic and manual shut-off options, along with a low battery indicator.
Зураг 2.3: Нарийвчилсан view of the meter's backlit LCD screen, showing both the water activity (aw) and temperature values for clear readings.
Зураг 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. Техникийн үзүүлэлтүүд
Зураг 3.1: The AMTAST WA-60A Water Activity Meter shown alongside its key specifications.
| Параметр | Үнэ цэнэ |
|---|---|
| Загварын дугаар | WA-60A |
| Хэмжилтийн хүрээ | 0.00 ~ 1.00 aw |
| Шийдвэр | ±0.01 ав |
| Нарийвчлал | ±0.02 ав |
| Temperature Operation Conditions | 0-50 хэм байна |
| Humidity Operation Conditions | <95% RH |
| Зүйлийн жин | 100 грамм (3.53 унц) |
| Эрчим хүчний хангамж | 2 x 1.5V AAA Size (UM-4) Battery (not included) |
| Материал | ABS |
| Хэмжээ | Approximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width |
4. Тохиргоо
Before first use, ensure the device is properly set up.
- Батерей суурилуулах: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
- Sample эзэмшигч: 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. Үйл ажиллагаа
Follow these steps for accurate water activity measurement:
- С бэлтгэampле: s-ээ байрлуулample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
- Газруудampле: s-г байрлуулample cup onto the base of the meter. The magnetic sample holder will secure it in place.
- Тэнцвэржүүлэх: Чухал алхам: 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.
- Асаах: Нэгэнт sample has equilibrated, turn on the meter while it is still closed on the sample.
- Хэмжилтийг унших: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
- Унтраах: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.
Видео 5.1: Энэ видео нь ерөнхий мэдээллийг өгдөгview 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).
Зураг 5.1: The meter is designed for quick and efficient testing, providing accurate readings for water activity measurements.
Зураг 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. Засвар үйлчилгээ
- Цэвэрлэгээ: s-г хадгалample 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.
- Хадгалах: 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.
- Шалгалт тохируулга: Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.
7. Алдаа засах
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Буруу эсвэл тогтворгүй уншилт | Insufficient equilibration time; lack of calibration; dirty sensor. | s-г баталгаажуулна ууample equilibrates for several hours before measurement. Calibrate the device regularly with appropriate standards. Clean the sensor and sample эзэмшигч. |
| Төхөөрөмж асахгүй байна | Дууссан эсвэл буруу суурилуулсан батерей. | Check battery polarity. Replace batteries with fresh 1.5V AAA batteries. |
| Дэлгэц бүдэг эсвэл унших боломжгүй | Батерей бага. | Зайгаа солих. |
8. Аюулгүй байдлын мэдээлэл
- Төхөөрөмжийг өөрөө задлах, засах гэж бүү оролдоорой. Үйлчилгээ авахын тулд мэргэшсэн ажилтнуудтай холбоо барина уу.
- Төхөөрөмжийг хэт өндөр температур, чийгшил, нарны шууд тусгалаас хол байлга.
- Бие махбодид гэмтэл учруулахгүйн тулд төхөөрөмжийг болгоомжтой харьц.
- Орон нутгийн дүрмийн дагуу батерейг хаях.
9. Баталгаат хугацаа ба дэмжлэг
For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webхолбоо барих мэдээллийг авах сайт.
AMTAST Official Store: Visit the AMTAST Store on Amazon
