1. Johdanto
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. Pakkauksen sisältö
Varmista, että kaikki osat ovat mukana purkaessasi pakkauksesta:
- Testo 625 instrument
- Kantolaukku
- Kalibrointiprotokolla
- 3 x AA paristot
3. Tuote ohiview
The Testo 625 features a clear display and intuitive controls for easy operation. The integrated probe measures humidity and temperature directly.

Kuva 1: Edessä view of the Testo 625 Digital Hygrometer, showing the display and control buttons.

Kuva 2: Dimensions of the Testo 625 Digital Hygrometer, approximately 8.19 inches in height and 2.36 inches in width.

Kuva 3: The Testo 625 Digital Hygrometer being used by a person in an indoor environment, demonstrating its portability.
4. Asennus
4.1 Akun asennus
- Paikanna paristolokero laitteen takaosasta.
- Avaa lokeron kansi.
- Insert the three AA batteries, ensuring correct polarity.
- Sulje paristolokeron kansi kunnolla.
4.2 Virran kytkeminen päälle/pois
Paina Tehoa button (usually marked with a circle and a vertical line) to turn the device on or off.
5. Käyttöohjeet
5.1 Perusmittaus
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/END or MENU/ENTER) to cycle through display modes and view these calculated values.
5.3 Hälytystoiminto
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. Sovellusyhteydet
The Testo 625 is compatible with the Testo Smart App, which enhances its functionality. The app allows you to:
- View and document measurement results.
- Konfiguroi laitteen asetukset.
- 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. Tekniset tiedot
| Parametri | Arvo |
|---|---|
| Lämpötilan mittausalue | -20 to +140 °F / -20 to +60 °C |
| Lämpötilan tarkkuus | ±0.9 °F / ±0.5 °C |
| Lämpötilan resoluutio | 0.1 °F / 0.1 °C |
| Kosteuden mittausalue | 0 - 100 %rH |
| Kosteuden tarkkuus | ±2.5 %rH (5 to 95 %rH) |
| Kosteuden resoluutio | 0.1 %rH |
| Paino | 7 oz. / 199 g |
| Dimensions (Instrument) | 8.19 x 2.36 x 1.10 tuumaa / 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 |
| Asunnon materiaali | ABS + PC / TPE |
| Suojausluokka | IP40, IP20 |
| Akun tyyppi | 3x AA (Alkaline) |
| Akun kesto | 100 tuntia |
| Varastointilämpötila | -4 to +122 °F / -20 to +50 °C |
8. Huolto
8.1 Puhdistus
Clean the instrument housing with a damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor area.
8.2 Pariston vaihto
When the battery indicator appears on the display, replace the batteries as described in Section 4.1. Use only AA alkaline batteries.
8.3 Kalibrointi
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. Vianmääritys
9.1 Laite ei käynnisty
- Tarkista, että paristot on asetettu oikein ja napaisuus on oikea.
- Ensure the batteries are not depleted. Replace them if necessary.
9.2 Epätarkat lukemat
- Allow the instrument to stabilize in the measurement environment for a few minutes.
- Ensure the sensor is clean and free from obstructions.
- Consider if calibration is due.
9.3 Sovellusyhteysongelmat
- Varmista, että Bluetooth on käytössä älypuhelimessasi/tabletissasi.
- Make sure the Testo 625 is within range of your device.
- Restart both the instrument and the Testo Smart App.
10. Takuu ja tuki
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 websivustolla tai tuotteen pakkauksessa.