AMTAST WA-60A

AMTAST WA-60A Portable Water Activity Meter Instruction Manual

Model: WA-60A | Brand: AMTAST

1. Ynlieding

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. Produkt Overview

AMTAST WA-60A Water Activity Meter measuring a sample

Ofbylding 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

Ofbylding 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.

Key Features:

  • Portable ûntwerp: Weighing approximately 100 grams, this meter is lightweight and suitable for on-the-go testing.
  • Akkurate mjittingen: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of 0.02aw.
  • Yntegreare sensor: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying water activity analysis.
  • Quick Testing: Provides rapid results, typically completing measurements within 5 minutes.
  • Display wiskje: 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

Ofbylding 2.3: Detaillearre 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

Ofbylding 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. Spesifikaasjes

AMTAST WA-60A Water Activity Meter with specifications listed

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

Technyske spesifikaasjes
ParameterWearde
Model NumberWA-60A
Mjitberik0.00 ~ 1.00 aw
Resolúsje±0.01 aw
Krektens±0.02 aw
Temperature Operation Conditions0-50°C
Humidity Operation Conditions<95% RH
Item Gewicht100 gram (3.53 ounces)
Streamtafier2 x 1.5V AAA Size (UM-4) Battery (not included)
MateriaalABS
OfmjittingsApproximately 13.5 cm (5.3 inches) height, 7 cm (2.8 inches) width

4. Opsette

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

  1. Batterij ynstallaasje: Open the battery compartment on the back of the meter. Insert two 1.5V AAA batteries, ensuring correct polarity. Close the compartment securely.
  2. Sampde Holder: 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.

Fideo 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. Operaasje

Follow these steps for accurate water activity measurement:

  1. Bereid Sample: Plak jo sample into a clean, dry sample cup. Ensure the sample fills the cup adequately without overflowing.
  2. Plak Sample: Posysje de sample cup onto the base of the meter. The magnetic sample holder will secure it in place.
  3. Equilibraasje: Krúsjale stap: 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.
  4. Power On: Ienris de sample has equilibrated, turn on the meter while it is still closed on the sample.
  5. Lês mjitting: The LCD screen will display the water activity (aw) and temperature. Allow the reading to stabilize before recording the final value.
  6. Útskeakelje: The device features automatic and manual shut-off options. To manually turn off, press and hold the power button.

Fideo 5.1: Dizze fideo jout in algemien oersjochview of the AMTAST Smart Water Activity Meter, demonstrating its use in a laboratory setting.

Fideo 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

Ofbylding 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

Ofbylding 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. Underhâld

  • Reiniging: Hâld de 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.
  • Opslach: 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.
  • Kalibraasje: Regular calibration with known standards is essential to maintain accuracy. Refer to Section 4 for calibration recommendations.

7. Probleemoplossing

ProbleemMooglike oarsaakOplossing
Unkrekte of ûnregelmjittige lêzingenInsufficient equilibration time; lack of calibration; dirty sensor.Soargje sample equilibrates for several hours before measurement. Calibrate the device regularly with appropriate standards. Clean the sensor and sampde holder.
Apparaat giet net oanDeade of ferkeard ynstalleare batterijen.Check battery polarity. Replace batteries with fresh 1.5V AAA batteries.
Display is dimmen of net lêsberLege batterij.Ferfange batterijen.

8. Safety Information

  • Besykje it apparaat net sels útinoar te heljen of te reparearjen. Nim kontakt op mei kwalifisearre personiel foar ûnderhâld.
  • Hâld it apparaat fuort fan ekstreme temperatueren, fochtigens en direkte sinne.
  • Behannelje it apparaat foarsichtich om fysike skea te foarkommen.
  • Ferwiderje batterijen neffens lokale regeljouwing.

9. Garânsje en stipe

For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webside foar kontaktgegevens.

AMTAST Official Store: Besykje de AMTAST-winkel op Amazon

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