VTSYIQI VD-99P Smart Food Water Activity Meter

1. Introduzione

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. Caratteristiche del prodotto

• 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. Contenuto della confezione

Dopo aver disimballato, verificare che tutti gli articoli elencati di seguito siano presenti e in buone condizioni:

• VTSYIQI VD-99P Smart Water Activity Meter Main Unit
• WSC-4 Water Activity Sensor (1 unit)
• Mini Printer (TPμP-T Series)
• Cavo di alimentazione
• Cavo di interfaccia RS232
• Cavo di interfaccia USB
• Sample Dishes (multiple plastic cups)
• Rotolo di carta per stampante
• Calibration Solutions (AR MgCl2, AR NaCl)
• User Manuals (for meter and printer)
• Custodia per il trasporto

Immagine: Un completo 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. Impostazione

1. Disimballaggio: Estrarre con cautela tutti i componenti dalla custodia.
2. Collegamento elettrico: 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. Collegamento del sensore: 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. Connessione stampante: 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. Accensione iniziale: 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. Istruzioni per l'uso

5.1. Navigazione di base

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. Misurazione

1. From the main menu, select "1. Measurement" and press 'CONFIRM'.
2. Prepara i tuoiample (e.g., dough, paste) in a clean sampil piatto.
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 sampmeno.

5.3. Calibrazione

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 sampil piatto.
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. Impostazioni

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. Domanda

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 dettagli di un record specifico.

6. Manutenzione

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

7. Risoluzione Dei Problemi

8. Specifiche

9. Garanzia e supporto

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.

La garanzia non copre:

• 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.