VTSYIQI VD-99P Smart Food Water Activity Meter

1. Вступ

This manual provides detailed instructions for the operation and maintenance of the VTSYIQI VD-99P Smart Food Water Activity Meter. This instrument is designed for precise measurement of water activity in various food products such as paste, jam, jello, and dough. It features real-time printing and data recording capabilities, ensuring accurate and efficient quality control.

2. Особливості продукту

• Measuring range: Temperature, -10℃～50℃; Water activity, 0～1.000aw
• Resolution: Water activity: 0.001aw; Temperature: 0.1 C
• Measurement accuracy: Temperature ±0.5℃; Water activity ±0.012 (@23℃±5℃)
• Display mode: Large-screen LCD 128×64DOTS
• Repeatability: ≤0.008aw
• Data Storage: Can circularly record 5,000 sets of measured data
• Measurement time: 5～40min; automatic measurement
• Connectivity: RS232 interface or USB interface for computer connection
• Printing Function: Print at the end of measurement or real-time print
• Work environment: Temperature -10℃～50℃; Relative humidity 0～95%RH

Image: VTSYIQI VD-99P Smart Water Activity Meter displaying its key features and specifications.

3. Вміст упаковки

Після розпакування, будь ласка, перевірте наявність та стан усіх перелічених нижче предметів:

• VTSYIQI VD-99P Smart Water Activity Meter Main Unit
• WSC-4 Water Activity Sensor (1 unit)
• Mini Printer (TPμP-T Series)
• Кабель живлення
• RS232 Interface Cable
• Інтерфейсний кабель USB
• Sample Dishes (multiple plastic cups)
• Printer Paper Roll
• Calibration Solutions (AR MgCl2, AR NaCl)
• User Manuals (for meter and printer)
• Чохол для транспортування

Зображення: Повний view of the VTSYIQI VD-99P Smart Water Activity Meter, including the main unit, sensor, printer, cables, calibration solutions, sample dishes, and carrying case.

4. Налаштування

1. Розпакування: Обережно вийміть усі компоненти з футляра для перенесення.
2. Підключення живлення: Connect the power cable to the 'Power Socket' on the rear panel of the main unit and plug it into a compatible power outlet (100-230VAC ±10% 50Hz/60Hz).
3. Підключення датчика: Connect the WSC-4 Water Activity Sensor cable to one of the 'Sensor Socket' ports (No.1, No.2, No.3, or No.4) on the rear panel. Ensure a secure connection.
4. Підключення принтера: Connect the mini printer to the 'Printer Power Outlet' and the 'Communication Port' on the rear panel of the main unit using the provided cables.
5. Початкове увімкнення: Flip the 'Power Switch' to the ON position. The device will perform a self-check and display the main menu.

Image: The rear panel of the VD-99P meter, highlighting the sensor sockets, communication ports, printer power outlet, and power switch.

5. Інструкція з експлуатації

5.1. Основна навігація

Use the 'SELECT' button to cycle through menu options and the 'CONFIRM' button to enter a selected option. The '+' and '-' buttons are used for adjusting values or navigating within sub-menus.

5.2. Вимірювання

1. From the main menu, select "1. Measurement" and press 'CONFIRM'.
2. Підготуйте свій sample (e.g., dough, paste) in a clean sampле блюдо.
3. Place the WSC-4 sensor directly onto the sample, ensuring good contact.
4. The meter will begin measuring water activity (AW) and temperature (Temp). The measurement time will be displayed.
5. Once the measurement is complete (typically 5-40 minutes), the results will be displayed on the LCD screen.
6. If the printer is connected and enabled, the results will automatically print.

Image: The VTSYIQI VD-99P Smart Water Activity Meter connected to multiple WSC-4 sensors, actively measuring water activity in dough sampлес.

5.3. Калібрування

Regular calibration ensures the accuracy of your water activity meter. The VD-99P supports one-point and two-point calibration using standard solutions.

1. From the main menu, select "2. Calibration" and press 'CONFIRM'.
2. Choose between "1. One-Point" or "2. Two-Point" calibration.
3. For one-point calibration, select the desired standard solution (e.g., NaCl). For two-point, select two different standard solutions (e.g., NaCl and MgCl2).
4. Place the WSC-4 sensor onto the respective calibration solution in a sampле блюдо.
5. Follow the on-screen prompts to complete the calibration process. The meter will display the current AW and temperature readings during calibration.

Image: Petri dishes containing calibration solutions (NaCl and MgCl2) used for accurate water activity measurement.

5.4. Налаштування

The settings menu allows you to configure various parameters of the meter.

1. From the main menu, select "3. Setting" and press 'CONFIRM'.
2. You can adjust the measurement time (M Time) using the '+' and '-' buttons.
3. Toggle "Automatic measurement" ON or OFF.
4. Press 'CONFIRM' to save changes and exit the settings menu.

5.5. Запит

The query function allows you to review previously recorded measurement data.

1. From the main menu, select "4. Query" and press 'CONFIRM'.
2. Use the '+' and '-' buttons to navigate through the stored data sets.
3. Press 'SELECT' to view details of a specific record.

6. Технічне обслуговування

• Прибирання: Regularly clean the exterior of the main unit and sensors with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
• Догляд за датчиком: Keep the WSC-4 sensors clean and free from sample residue. Store them in a dry, dust-free environment when not in use.
• Калібрувальні рішення: Store calibration solutions according to their instructions to maintain their integrity and accuracy. Replace expired solutions.
• Зберігання: When not in use for extended periods, store the meter and all accessories in the provided carrying case in a cool, dry place.

7. Вирішення проблем

8. Технічні характеристики

9. Гарантія та підтримка

VTSYIQI provides a standard quality assurance for one year from the date of purchase. In addition, if you encounter any quality issues with the meter within the first three months, a replacement will be provided. The printer's warranty period is also one year.

Гарантія не поширюється на:

• Damage to visible components of the sensor.
• Damage caused by pulling out the plug incorrectly or inserting the wrong plug type.
• Damage due to improper operation, unauthorized disassembly, or human factors.

This warranty card must be owned and fully preserved by the user for warranty claims. The card service is not accepted without it.

For technical support or service inquiries, please contact your vendor or refer to the contact information provided in the product packaging.