AMTAST WA-60A Portable Water Activity Meter Instruction Manual

1. Okwu mmalite

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. Ngwaahịa gafereview

AMTAST WA-60A Water Activity Meter measuring a sample

Foto 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.

AMTAST WA-60A Water Activity Meter with sample plate

Foto 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.

Akụkụ ndị bụ isi:

Enwere ike ibugharị: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
Ntụle ziri ezi: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
Ihe mmetụta agbakwunyere: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
Nnwale ngwa ngwa: Provides rapid results, typically completing measurements within 5 minutes.
Kpochapụ ihe ngosi: Equipped with a 6-digit backlit LCD screen that simultaneously displays water activity (aw) and temperature.
User-Friendly Functions: Includes automatic and manual shut-off options, along with a low battery indicator.

Close-up of AMTAST WA-60A LCD screen showing water activity and temperature

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

AMTAST WA-60A battery compartment and sensor

Foto 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. Nkọwapụta

AMTAST WA-60A Water Activity Meter with specifications listed

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

Nkọwa nka nka
Oke	Uru
Nọmba nlereanya	WA-60A
Oke nha	0.00 ~ 1.00 aw
Mkpebi	± 0.01 ah
Izi ezi	± 0.02 ah
Temperature Operation Conditions	0-50 Celsius C
Humidity Operation Conditions	<95% RH
Ibu Ibu	100 grams (3.53 ounces)
Ịnye ọkụ	2 x 1.5V AAA Size (UM-4) Battery (not included)
Ihe onwunwe	ABS
Akụkụ	Approximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width

4. Nhazi

Before first use, ensure the device is properly set up.

Nwụnye batrị: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
Samponye njide: 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.

Vidio 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. Ọrụ

Follow these steps for accurate water activity measurement:

Kwadebe SampLe: Debe s gịample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
Ebe SampLe: Debe sample cup onto the base of the meter. The magnetic sample holder will secure it in place.
Nhazi: Nzọụkwụ dị mkpa: 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.
Ike Na: Ozugbo sample has equilibrated, turn on the meter while it is still closed on the sample.
Gụọ nha: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
Gbanyụọ: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.

Vidio 5.1: Vidiyo a na-enye nkọwa zuru okeview of the AMTAST Smart Water Activity Meter, demonstrating its use in a laboratory setting.

Vidio 5.2: This video demonstrates the process of using the Water Activity Meter for monitoring food water activity (AW).

AMTAST WA-60A showing quick measurement process

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

Examples of food products tested with AMTAST WA-60A: dried fruit, beef jerky, cookies, sausage

Foto 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. Nlekọta

Nhicha: Debe ihe 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.
Nchekwa: 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.
Nhazi Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.

7. Nchọpụta nsogbu

Nsogbu	Ihe nwere ike ime	Ngwọta
Inaccurate or erratic readings	Insufficient equilibration time; lack of calibration; dirty sensor.	Gbaa mbọ hụ na sample equilibrates for several hours before measurement. Calibrate the device regularly with appropriate standards. Clean the sensor and sample njide.
Ngwaọrụ anaghị agbanwu ọkụ	Batrị nwụrụ anwụ ma ọ bụ arụnyere na ezighi ezi.	Check battery polarity. Replace batteries with fresh 1.5V AAA batteries.
Ngosipụta adịchaghị njọ ma ọ bụ enweghị ọgụgụ	Batrị dị ala.	Dochie batrị.

8. Ozi nchekwa

Anwala ịkwasa ma ọ bụ rụkwaa ngwaọrụ n'onwe gị. Kpọtụrụ ndị ọrụ tozuru oke maka ọrụ.
Debe ngwaọrụ ahụ pụọ na oke okpomọkụ, iru mmiri na ìhè anyanwụ.
Jiri nlezianya jikwaa ngwaọrụ ahụ ka ịzere mmebi anụ ahụ.
Tụfuo batrị dịka iwu mpaghara siri dị.

9. Akwụkwọ ikike na nkwado

For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST websaịtị maka nkọwa kọntaktị.

AMTAST Official Store: Visit the AMTAST Store on Amazon

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AMTAST WA-60A