1. Introduction
The Testo 625 Digital Hygrometer is a compact instrument designed for precise measurement of air temperature and relative humidity. It also calculates dew point and wet bulb temperature, providing comprehensive data for assessing air quality in various environments, such as storage rooms or offices. Its robust design and long battery life make it suitable for both quick checks and long-term data collection.
2. Contenu du colis
Vérifiez que tous les articles sont présents lors du déballage :
- Testo 625 instrument
- Mallette de transport
- Protocole d'étalonnage
- 3 piles AA
3. Produit terminéview
The Testo 625 features a clear display and intuitive controls for easy operation. The integrated probe measures humidity and temperature directly.
Figure 1 : Devant view of the Testo 625 Digital Hygrometer, showing the display and control buttons.
Figure 2 : Dimensions of the Testo 625 Digital Hygrometer, approximately 8.19 inches in height and 2.36 inches in width.
Figure 3 : The Testo 625 Digital Hygrometer being used by a person in an indoor environment, demonstrating its portability.
4. Installation
4.1 Installation de la batterie
- Repérez le compartiment à piles à l'arrière de l'instrument.
- Ouvrez le couvercle du compartiment.
- Insert the three AA batteries, ensuring correct polarity.
- Fermez soigneusement le couvercle du compartiment à piles.
4.2 Mise sous/hors tension
Appuyez sur le Pouvoir bouton (généralement marqué d'un cercle et d'une ligne verticale) pour allumer ou éteindre l'appareil.
5. Mode d'emploi
5.1 Mesure de base
Upon powering on, the Testo 625 will immediately begin measuring air temperature and relative humidity. These values are displayed on the screen.
5.2 Displaying Dew Point and Wet Bulb Temperature
The instrument automatically calculates dew point and wet bulb temperature. Refer to the user interface for specific button presses (e.g., MODE/FIN or MENU/ENTRÉE) to cycle through display modes and view these calculated values.
5.3 Fonction d'alarme
The Testo 625 includes an audible alarm to indicate when user-defined limit values for humidity or temperature are exceeded. Consult the device's menu options to set or adjust these limits.
6. Connectivité des applications
The Testo 625 is compatible with the Testo Smart App, which enhances its functionality. The app allows you to:
- View and document measurement results.
- Configurer les paramètres de l'instrument.
- Store measured values.
- Use your smartphone as a second display for real-time readings.
Download the Testo Smart App from your device's app store and follow the in-app instructions for pairing with your Testo 625.
7. Spécifications
| Paramètre | Valeur |
|---|---|
| Plage de mesure de température | -20 to +140 °F / -20 to +60 °C |
| Précision de la température | ± 0.9 °F / ± 0.5 °C |
| Résolution de la température | 0.1 °F / 0.1 °C |
| Plage de mesure de l'humidité | 0 à 100 %HR |
| Précision de l'humidité | ±2.5 %rH (5 to 95 %rH) |
| Résolution d'humidité | 0.1 %HR |
| Poids | 7 g |
| Dimensions (Instrument) | 8.19 x 2.36 x 1.10 pouces / 208 x 60 x 28 mm |
| Operating Temperature (Instrument) | -4 to +122 °F / -20 to +50 °C |
| Operating Temperature (Probe) | -4 to +158 °F / -20 to +70 °C |
| Matériau du boîtier | ABS + PC / TPE |
| Classe de protection | IP40, IP20 |
| Type de batterie | 3x AA (Alkaline) |
| Autonomie de la batterie | 100 heures |
| Température de stockage | -4 to +122 °F / -20 to +50 °C |
8. Entretien
8.1 Nettoyage
Clean the instrument housing with a damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area.
8.2 Remplacement de la batterie
When the battery indicator appears on the display, replace the batteries as described in Section 4.1. Use only AA alkaline batteries.
8.3 Étalonnage
The Testo 625 comes with a calibration protocol. Regular calibration is recommended to ensure continued accuracy. Refer to Testo's official guidelines or contact their service department for calibration procedures.
9. Dépannage
9.1 L'appareil ne s'allume pas
- Vérifiez si les piles sont insérées correctement avec la bonne polarité.
- Vérifiez que les piles ne sont pas déchargées. Remplacez-les si nécessaire.
9.2 Lectures inexactes
- Allow the instrument to stabilize in the measurement environment for a few minutes.
- Assurez-vous que le capteur est propre et exempt d'obstructions.
- Vérifiez si un étalonnage est nécessaire.
9.3 Problèmes de connexion à l'application
- Assurez-vous que Bluetooth est activé sur votre smartphone/tablette.
- Make sure the Testo 625 is within range of your device.
- Restart both the instrument and the Testo Smart App.
10. Garantie et assistance
For detailed warranty information, please refer to the documentation included with your product or visit the official Testo website. For technical support, service, or spare parts, please contact Testo customer service directly. Contact information can typically be found on the Testo website ou dans l'emballage du produit.
