1. Introduzzjoni
The AMTAST WA-60AB is a portable, high-precision water activity meter designed for quick and accurate measurement of water activity (aw) in various substances, particularly food products like jerky, freeze-dried food, and more. Understanding water activity is crucial for assessing food preservation, stability, and quality. This manual provides detailed instructions for the proper use, maintenance, and troubleshooting of your WA-60AB meter.

Image: The AMTAST WA-60AB Water Activity Meter, shown against a background of various fresh foods, highlighting its application in food quality control.
2. Prodott Aktarview
2.1 Karatteristiċi ewlenin
- Portabbiltà Ultimate: Weighing approximately 100 grams, this meter is highly portable for on-the-go water activity testing.
- Accurate & Reliable Measurements: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and accuracy of 0.02aw, ensuring precise readings.
- Integrated Sensor for Ease of Use: Features a non-conductive humidity sensor and integrated readings in a single unit, simplifying the measurement process.
- Quick & Efficient Testing: Provides rapid results, completing water activity measurements within approximately 5 minutes.
- Convenient Display & Functions: Equipped with a 6-digit backlit LCD screen displaying both water activity (aw) and temperature simultaneously. Includes automatic and manual shut-off options, and a low battery indicator.
- Seamless Data Transfer: Supports Bluetooth data transfer for convenient PC communication and software data management.
2.2 Komponenti
The AMTAST WA-60AB package typically includes:
- WA-60AB Water Activity Meter (Host Unit)
- Sample Plate(s)
- Borża portabbli
- USB Data Cable (for software connection)
- CD tas-Softwer (jew link għad-download)
- Manwal ta' Istruzzjoni

Image: The AMTAST WA-60AB meter shown with text explaining its function in assessing preservation and stability of food and medicine.

Image: A collage demonstrating various applications of the water activity meter, including dried fruit, beef jerky, cookies, and sausage, illustrating its wide utility.
3. Speċifikazzjonijiet
| Parametru | Valur |
|---|---|
| Numru tal-Mudell | WA-60AB |
| Medda ta' Kejl | 0 ~ 1.0 aw |
| Riżoluzzjoni | ±0.01 aw |
| Eżattezza | 0.02 aw |
| Temperature Operation Conditions | 0-50°C |
| Humidity Operation Conditions | <95% RH |
| Piż tal-oġġett | 3.53 uqija (madwar 100g) |
| Provvista tal-Enerġija | 2 x 1.5V AAA Size (UM-4) Battery |
| Materjal | ABS plastic + Aluminium Alloy |
| Wiri | 6-digit backlit LCD (aw and temperature) |

Image: The AMTAST WA-60AB meter with its dimensions and a summary of its technical specifications.
4. Setup
4.1 Installazzjoni tal-batterija
The WA-60AB meter requires 2 x 1.5V AAA batteries (not included due to shipping regulations). To install the batteries:
- Sib l-għatu tal-kompartiment tal-batterija fuq wara tal-apparat.
- Slide or open the cover.
- Daħħal żewġ batteriji AAA, waqt li tiżgura l-polarità korretta (+/-) kif indikat ġewwa l-kompartiment.
- Agħlaq l-għatu tal-kompartiment tal-batterija sew.

Immaġni: A view of the AMTAST WA-60AB meter's battery compartment, showing where to insert the two AAA batteries.
5. Istruzzjonijiet Operattivi
5.1 Teħid ta 'Kejl
- Ensure the meter has sufficient battery power.
- Ipprepara tiegħek sample. Place a small, representative amount of the sample onto the provided sample plate. Ensure the sample completely covers the sensor area without overflowing.
- Carefully place the meter onto the sample plate, ensuring the sensor makes full contact with the sample.
- Agħfas il- QAWWA/TX button to turn on the device. The backlit LCD screen will illuminate.
- The meter will begin the measurement process automatically. Readings for water activity (aw) and temperature will be displayed simultaneously.
- Allow approximately 5 minutes for the reading to stabilize and for the final accurate measurement to be displayed.
- Once the reading is stable, you can record the values.
- Biex itfi l-apparat, agħfas u żomm il- QAWWA/TX button, or it will automatically shut off after a period of inactivity to conserve battery life.

Immaġni: Close-up view of the AMTAST WA-60AB's backlit LCD screen, illustrating how water activity and temperature values are clearly displayed.

Image: The AMTAST WA-60AB meter with an overlay indicating its quick 5-minute measurement time, emphasizing efficiency.
5.2 Data Transfer (Bluetooth Version)
For models with Bluetooth functionality, you can transfer measurement data to a PC for analysis and record-keeping. Refer to the included software manual for detailed instructions on pairing the device and using the data transfer features.

Image: The AMTAST WA-60AB meter depicted with a Bluetooth icon, signifying its capability for seamless data transfer to a computer.
5.3 Vidjow Istruttiv
Video: An official demonstration of the AMTAST Smart Water Activity Meter, showing its operation and features. This video illustrates the process of taking a measurement with the device.
6. Manutenzjoni
6.1 Tindif
After each use, especially when measuring different samples, naddaf is-sample plate and the sensor area thoroughly. Use a soft, damp cloth to wipe the surfaces. Do not use abrasive cleaners or immerse the device in water. Ensure the sensor area is dry before storing or taking the next measurement.
6.2 Ħażna
Store the meter in a cool, dry place, away from direct sunlight and extreme temperatures. If the device will not be used for an extended period, remove the batteries to prevent leakage.
7 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-apparat ma jixgħelx. | Batteriji baxxi jew mejta; installazzjoni ħażina tal-batterija. | Ibdel il-batteriji b'oħrajn ġodda; kun żgur li l-polarità hija korretta. |
| Qari mhux preċiż jew li jvarja. | Sensor not clean; insufficient sample; sample not evenly spread; environmental interference. | Clean sensor and sample plate; ensure adequate sample size and even spread; perform measurement in a stable environment. |
| Kwistjonijiet ta 'konnessjoni Bluetooth. | Device not in pairing mode; software not installed correctly; out of range. | Refer to software manual for pairing instructions; reinstall software; ensure device is within Bluetooth range. |
| Jidher indikatur ta' batterija baxxa. | Il-batteriji qed jaħdmu baxxi. | Replace batteries promptly. |
8. Garanzija u Appoġġ
For warranty information, technical support, or service inquiries, please contact AMTAST customer service. Refer to the product packaging or the official AMTAST webis-sit għad-dettalji ta' kuntatt l-aktar aġġornati.
You can visit the AMTAST Store for more information: AMTAST Store on Amazon.





