1. Introduzione
This manual provides comprehensive instructions for the proper setup, operation, and maintenance of your TFA-Dostmann TFA 30.5045.54 Digital Thermo-Hygrometer. This device is designed to monitor indoor temperature and humidity, featuring a clear display with comfort level indications and trend arrows. It can also function as a remote sensor for compatible TFA devices.
E caratteristiche chjave includenu:
- Visualizzazione di a temperatura è di l'umidità interna.
- Trend arrows for temperature and humidity values.
- Colored comfort zones for quick climate assessment.
- Max-Min memory function for recorded values.
- Compatibility as a remote sensor for TFA models 30.3054.10, 30.3056.10, and 30.3062.10.
2. Cuntenutu di u pacchettu
Verificate chì tutti l'articuli sianu presenti è senza danni:
- TFA 30.5045.54 Digital Thermo-Hygrometer unit
Nota: 2 x 1.5V AAA batteries are required for operation and are not included in the package.
3. Dispositivu Finituview

Figura 1: Fronte view of the TFA 30.5045.54 Digital Thermo-Hygrometer. The display shows current temperature (21.7°C) and humidity (39%), along with trend indicators and comfort level zones (DRY, COM, WET). Below the display are control buttons: MIN/MAX, CH/+, and SET.
Elementi di visualizazione:
- Mustrà di a Temperatura: Shows current indoor temperature in Celsius. Includes a trend arrow indicating rising, stable, or falling temperature.
- Display di umidità: Shows current indoor relative humidity in percentage. Includes a trend arrow indicating rising, stable, or falling humidity.
- Comfort Zones: Colored segments (DRY, COM, WET) indicate the current humidity comfort level.
- SECU: umidità sottu 45%
- COM (Comfort): Umidità trà 45% è 65%
- WET: umidità sopra 65%
- CH (Channel) Indicator: Displays the current channel when used with remote sensors.
Buttuni di cuntrollu:
- MIN / MAX: Press to view minimum and maximum recorded temperature and humidity values. Press again to cycle through values. Hold to reset recorded values.
- CH/+: Used to select channels when multiple remote sensors are connected. Also used for increasing values in settings.
- SET: Used to enter settings mode or confirm selections.
4. Setup
4.1 Installazione di batterie
- Truvate u coperchiu di u compartimentu di a batteria nant'à u spinu di l'unità.
- Remove the cover by sliding it down or lifting it off.
- Inserite duie (2) batterie AAA di 1.5 V, assicurendu a polarità curretta (+ è -).
- Sustituite a tappa di u compartimentu di a bateria.
- The device will power on automatically and display current temperature and humidity.
4.2 Placement
The TFA 30.5045.54 Thermo-Hygrometer can be placed on a tabletop or mounted on a wall.
- Tabletop: Use the integrated stand on the back of the unit to place it on a flat surface.
- Montatu à u muru: Use a screw (not included) to hang the unit from the designated mounting hole on the back.
For accurate readings, place the unit away from direct sunlight, heat sources, and drafts.
5. Operating Instructions
5.1 Current Readings
Upon power-on, the device immediately displays the current indoor temperature and humidity. The trend arrows next to the temperature and humidity values indicate whether the respective measurement is rising, stable, or falling over a short period.
5.2 Comfort Level Indication
The colored zones at the bottom of the display provide a quick visual reference for the indoor humidity comfort level:
- DRY (Blue): L'umidità hè sottu à 45%.
- COM (Green): Humidity is between 45% and 65%, indicating a comfortable range.
- WET (Orange): L'umidità hè sopra u 65%.
5.3 Minimum and Maximum Values
À view the recorded minimum and maximum temperature and humidity values:
- Press u MIN / MAX buttone una volta per visualizà i valori massimi registrati.
- Press u MIN / MAX di novu u buttone per visualizà i valori minimi registrati.
- Press u MIN / MAX button a third time to return to current readings.
To reset the minimum and maximum values, press and hold the MIN / MAX button for approximately 3 seconds while the MIN or MAX values are displayed. The display will flash, indicating the values have been reset.
5.4 Remote Sensor Functionality
This unit can function as an additional remote sensor for compatible TFA devices, specifically models 30.3054.10, 30.3056.10 (for temperature and humidity), and 30.3062.10 (for temperature only). Refer to the instruction manual of your main TFA device for details on pairing and channel selection. Use the CH/+ button on this unit to select the appropriate channel if necessary.
6. Mantenimentu
6.1 Pulizia
Pulite u dispusitivu cun un soft, damp cloth. Do not use abrasive cleaning agents or solvents, as these may damage the display or casing. Avoid getting moisture into the device's internal components.
6.2 Sustituzione di batterie
When the battery indicator appears on the display, replace the batteries. Follow the steps in Section 4.1 Battery Installation. Dispose of used batteries according to local regulations.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Nisuna visualizazione o visualizazione debule | E batterie sò morte o inserite in modu incorrectu. | Rimpiazzà e batterie cù batterie AAA nove da 1.5 V, assicurendu a polarità curretta. |
| Letture imprecise | Unit is placed near heat sources, direct sunlight, or drafts. | Relocate the unit to a stable indoor environment away from extreme temperature fluctuations. |
| U sensore remotu ùn si cunnetta micca | Incorrect channel selected or interference. | Ensure the main unit and this sensor are on the same channel. Check for obstructions or other electronic devices causing interference. Refer to the main unit's manual. |
8. Specificazioni
- Mudellu: 30.5045.54
- Gamma di temperatura: 0 °C à +60 °C (32 °F à 140 °F)
- Risoluzione di a temperatura: 0.1 ° C
- Gamma di Umidità: 10% à 99% RH
- putenza: 2 batterie AAA da 1.5 V (micca incluse)
- Dimensioni: 64 x 109 x 18 mm (2.52 x 4.29 x 0.71 inch)
- Pesu: 65 grammi (2.29 ounces)
- Tipu di muntatura: Da tavula o da muru
- Produttore: TFA Dostmann
9. Garanzia è Support
Per infurmazioni nantu à a garanzia o l'assistenza tecnica, vi pregu di cunsultà a ducumentazione furnita cù u vostru acquistu o cuntattate u vostru rivenditore. Cunservate a prova d'acquistu per qualsiasi reclamazione di garanzia.





