AMTAST WA-60A Portable Water Activity Meter Instruction Manual

1. Inngangur

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. Vöru lokiðview

Mynd 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.

Mynd 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.

Helstu eiginleikar:

• Færanleg hönnun: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
• Nákvæmar mælingar: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
• Innbyggður skynjari: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
• Fljótleg prófun: Provides rapid results, typically completing measurements within 5 minutes.
• Hreinsa skjá: Equipped with a 6-digit backlit LCD screen that simultaneously displays water activity (aw) and temperature.
• Notendavænar aðgerðir: Includes automatic and manual shut-off options, along with a low battery indicator.

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

Mynd 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. Tæknilýsing

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

Tæknilýsing

Parameter	Gildi
Gerðarnúmer	WA-60A
Mælisvið	0.00 ~ 1.00 aw
Upplausn	±0.01 aw
Nákvæmni	±0.02 aw
Temperature Operation Conditions	0-50°C
Humidity Operation Conditions	<95% RH
Þyngd hlutar	100 grömm (3.53 aura)
Aflgjafi	2 x 1.5V AAA Size (UM-4) Battery (not included)
Efni	ABS
Mál	Approximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width

4. Uppsetning

Áður en tækið er notað í fyrsta skipti skal ganga úr skugga um að það sé rétt uppsett.

1. Uppsetning rafhlöðu: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
2. Samphandhafi: 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. Rekstur

Follow these steps for accurate water activity measurement:

1. Undirbúðu Sample: Settu sample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
2. Staður Sample: Settu sample cup onto the base of the meter. The magnetic sample holder will secure it in place.
3. Jafnvægi: Mikilvægt skref: Eftir að hafa sett 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.
4. Kveikt á: Þegar sample has equilibrated, turn on the meter while it is still closed on the sample.
5. Lesa mælingu: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
6. Slökkva á: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.

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

Mynd 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. Viðhald

• Þrif: Haltu sample 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.
• Geymsla: 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.
• Kvörðun: Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.

7. Bilanagreining

8. Öryggisupplýsingar

• Ekki reyna að taka tækið í sundur eða gera við það sjálfur. Hafðu samband við hæft starfsfólk til að fá þjónustu.
• Haltu tækinu í burtu frá miklum hita, raka og beinu sólarljósi.
• Farið varlega með tækið til að forðast líkamlegt tjón.
• Fargaðu rafhlöðum í samræmi við staðbundnar reglur.

9. Ábyrgð og stuðningur

For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webvefsíðu fyrir upplýsingar um tengiliði.

AMTAST Official Store: Visit the AMTAST Store on Amazon