VTSYIQI VD-99P Smart Food Water Activity Meter

1. Pengenalan

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. Ciri-ciri Produk

• 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. Kandungan Pakej

Selepas membongkar, sila sahkan bahawa semua item yang disenaraikan di bawah ada dan dalam keadaan baik:

• VTSYIQI VD-99P Smart Water Activity Meter Main Unit
• WSC-4 Water Activity Sensor (1 unit)
• Mini Printer (TPμP-T Series)
• Kabel Kuasa
• RS232 Interface Cable
• Kabel Antara Muka USB
• Sample Dishes (multiple plastic cups)
• Printer Paper Roll
• Calibration Solutions (AR MgCl2, AR NaCl)
• User Manuals (for meter and printer)
• Membawa Sarung

Imej: Lengkap 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. Persediaan

1. Membongkar: Keluarkan semua komponen dengan berhati-hati dari beg pembawa.
2. Sambungan Kuasa: 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. Sambungan Sensor: 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. Sambungan Pencetak: 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. Hidupkan Kuasa Awal: 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. Arahan Operasi

5.1. Navigasi Asas

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. Pengukuran

1. From the main menu, select "1. Measurement" and press 'CONFIRM'.
2. Sediakan s andaample (e.g., dough, paste) in a clean samphidangan le.
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 samples.

5.3. Penentukuran

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 samphidangan le.
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. Tetapan

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. Pertanyaan

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. Penyelenggaraan

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

7. Penyelesaian masalah

8. Spesifikasi

9. Waranti dan Sokongan

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.

Waranti tidak meliputi:

• 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.