1. Prodotto finitoview
The Walfront PH-803W is a WiFi-enabled 2-in-1 ORP and pH controller designed for continuous water quality monitoring. It measures and displays both pH and Oxidation-Reduction Potential (ORP) values, making it suitable for various applications requiring precise water parameter control.
Caratteristiche principali:
- Funzionalità 2 in 1: Measures and displays pH (0.00-14.00PH) and ORP (-1999~1999mV) simultaneously.
- Connettività WiFi: Allows remote monitoring and control via a mobile application.
- Misurazione in tempo reale: Provides instant readings for continuous water quality assessment.
- Dual Output Power Sockets: Equipped with BNC socket electrodes and two output power sockets for connecting external devices.
- Costruzione durevole: Made from high-quality ABS material for longevity.
- Ampia applicazione: Ideal for fish hatching, wine production, swimming pools, laboratories, water quality management, and various industrial uses.

Figure 1: Walfront PH-803W WiFi 2-in-1 ORP pH Controller with its main unit, dual power outlet, and pH/ORP probes.
Video 1: Oltreview of the PH-803W 2-in-1 ORP Controller Continuous Monitor Meter, demonstrating its features and components.
2. Informazioni sulla sicurezza
- Do not touch the electrode bulb with bare hands to avoid contamination and damage.
- The glass bulb of the electrode is fragile; handle with care to prevent impact damage.
- Garantire l'alimentazione voltage matches the device's requirements (110V for US Plug model).
- Keep the device and electrodes clean and dry when not in use.
- This product is designed for Android devices only for app connectivity.
3. Impostazione
3.1 Disimballaggio e controllo dei componenti
Before starting, carefully unpack all components and ensure the following items are present:
- 1 x ORP/PH Water Quality Detector (Main Unit)
- 1 x ORP Probe
- 1 x pH Probe
- 2 x ventose
- 1 gancio x
- 1 x Manuale di istruzioni

Figure 2: All components included in the Walfront PH-803W package.
3.2 Connessione iniziale
- Plug in the power supply (US Plug 110V) and turn on the device.
- Connect the pH and ORP electrodes to their respective BNC sockets on the main unit.
- Remove the protective caps from the electrodes.
- Clean the electrodes with distilled water or alcohol, then gently wipe the plastic shell and shake off any small water droplets from the electrode tips to ensure accurate readings.
3.3 Mobile App Connection (Android Only)
- Download the compatible mobile application (e.g., Tuya Smart app) from the Google Play Store.
- Crea un account o accedi all'app.
- Assicurati che il Bluetooth del tuo smartphone sia abilitato.
- On the PH-803W controller, long-press the 'WIFI' button to enter WiFi network configuration mode.
- In the app, press 'Add Device'. The app should automatically detect the controller.
- Select the detected device and follow the on-screen prompts to connect it to your WiFi network.
- Once connected, press 'Done' in the app.
Video 2: Step-by-step guide on connecting the device to a smartphone app via WiFi.
4. Istruzioni per l'uso
4.1 Esecuzione delle misurazioni
- Insert the electrodes into the solution to be measured, ensuring the measuring electrode is fully immersed.
- Gently shake the electrode to dislodge any small bubbles, which can affect test results.
- Read the stable display number on the device's LCD screen. The device provides real-time measurements without needing to press any buttons to switch between pH and ORP.

Figure 3: Real-time monitoring of water quality parameters on the PH-803W and its connected mobile application.
4.2 Utilizzo dell'applicazione mobile
Once connected via WiFi, the mobile app allows for advanced monitoring and control:
- Monitoraggio remoto: View pH and ORP values, along with temperature, directly on your smartphone from anywhere.
- Regolazione delle impostazioni: Change various settings for the controller, such as temperature units. Press the WiFi button on the device to synchronize changes after adjusting settings in the app.
- Registrazione ed esportazione dei dati: The app records historical data. You can view data trends over days, months, or hours. To export recorded data, select the desired parameter and press 'Export', then type a file name and save it to your phone.
Video 3: Demonstration of data logging and real-time monitoring features through the mobile application.
5. Manutenzione
5.1 Dopo ogni utilizzo
- Scollegare l'alimentazione.
- Clean the electrodes thoroughly with clean water.
- Replace the protective caps on the electrodes.
5.2 Long-term Storage and Calibration
- For long-term use, regular maintenance and calibration of the instrument and electrodes are essential to ensure accuracy.
- Refer to the specific calibration instructions provided with your calibration solutions.
6. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Modello | PH-803W |
| Funzione | Measures ORP value / PH value of water quality |
| Measuring Range (ORP) | -1999 ~ 1999 mV |
| Measuring Range (PH) | 0.00 ~ 14.00PH |
| Accuracy (ORP) | ±5 mV |
| Accuracy (PH) | 0.05PH |
| Resolution (ORP) | 1 mV |
| Resolution (PH) | 0.01PH |
| Setting Control Range (ORP) | -1999 ~ 1999 mV |
| Setting Control Range (PH) | 0.00 ~ 19.99PH |
| Temperatura ambiente di funzionamento | 0-50℃ |
| Display | Display LCD a 4 cifre |
| Materiale | addominali |
| Fonte di alimentazione | AC power (US Plug 110V) |
| Dimensioni del prodotto | 0.39 x 0.39 x 0.39 inches (approximate, based on general product dimensions) |
| Peso dell'articolo | 2.83 libbre |

Figura 4: dettagliata view of the PH-803W controller, highlighting its dimensions and dual power outlets.
7. Risoluzione Dei Problemi
If you encounter issues with your Walfront PH-803W controller, consider the following:
- Letture imprecise: Ensure electrodes are clean and free of bubbles. Recalibrate the device if readings are consistently off. Check electrode integrity for any visible damage.
- Nessun potere: Verify the power adapter is securely plugged into both the device and a working power outlet. Check for any tripped circuit breakers.
- Problemi di connettività WiFi: Ensure your smartphone's Bluetooth is on and the device is in pairing mode (long-press WIFI button). Confirm the WiFi network credentials entered in the app are correct. Ensure the device is within range of your WiFi router.
- L'app non rileva il dispositivo: Restart both the device and your smartphone. Re-enable Bluetooth on your phone. Try re-entering WiFi configuration mode on the controller.
- Durata dell'elettrodo: Electrodes have a limited lifespan and may need replacement over time, especially with frequent use or improper storage.
8. Garanzia e supporto
For warranty information, technical support, or replacement parts, please contact Walfront customer service through your purchase platform or the official Walfront websito. Tieni a portata di mano la ricevuta d'acquisto o il numero dell'ordine per un servizio più rapido.