1. Introdução
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.
Os principais recursos incluem:
- Indoor temperature and humidity display.
- 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. Conteúdo da embalagem
Por favor, verifique se todos os itens estão presentes e sem danos:
- TFA 30.5045.54 Digital Thermo-Hygrometer unit
Observação: 2 x 1.5V AAA batteries are required for operation and are not included in the package.
3. Dispositivo acabadoview

Figura 1: Frente 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.
Elementos de exibição:
- Exibição de temperatura: Shows current indoor temperature in Celsius. Includes a trend arrow indicating rising, stable, or falling temperature.
- Exibição de umidade: Shows current indoor relative humidity in percentage. Includes a trend arrow indicating rising, stable, or falling humidity.
- Zonas de conforto: Colored segments (DRY, COM, WET) indicate the current humidity comfort level.
- SECO: Umidade abaixo de 45%
- COM (Comfort): Umidade entre 45% e 65%
- MOLHADO: Umidade acima de 65%
- CH (Channel) Indicator: Displays the current channel when used with remote sensors.
Botões de controle:
- MÍNIMO MÁXIMO: Pressione para 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.
- CONJUNTO: Used to enter settings mode or confirm selections.
4. Configuração
4.1 Instalação da bateria
- Localize a tampa do compartimento da bateria na parte traseira da unidade.
- Remova a tampa deslizando-a para baixo ou levantando-a.
- Insert two (2) 1.5V AAA batteries, ensuring correct polarity (+ and -).
- Recoloque a tampa do compartimento da bateria.
- The device will power on automatically and display current temperature and humidity.
4.2 Posicionamento
The TFA 30.5045.54 Thermo-Hygrometer can be placed on a tabletop or mounted on a wall.
- Tampo da mesa: Use the integrated stand on the back of the unit to place it on a flat surface.
- Montado na parede: 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. Instruções de operação
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): A umidade está abaixo de 45%.
- COM (Green): Humidity is between 45% and 65%, indicating a comfortable range.
- WET (Orange): A umidade está acima de 65%.
5.3 Minimum and Maximum Values
Para view the recorded minimum and maximum temperature and humidity values:
- Pressione o MÍNIMO MÁXIMO button once to display the maximum recorded values.
- Pressione o MÍNIMO MÁXIMO Pressione o botão novamente para exibir os valores mínimos registrados.
- Pressione o MÍNIMO MÁXIMO Pressione o botão uma terceira vez para retornar às leituras atuais.
To reset the minimum and maximum values, press and hold the MÍNIMO MÁXIMO 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. Manutenção
6.1 Limpeza
Limpe o dispositivo com um pano macio e seco.amp 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 Substituição da bateria
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. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Sem imagem ou imagem fraca | As pilhas estão descarregadas ou inseridas incorretamente. | Substitua as pilhas por novas pilhas AAA de 1.5V, certificando-se da polaridade correta. |
| Leituras imprecisas | Unit is placed near heat sources, direct sunlight, or drafts. | Relocate the unit to a stable indoor environment away from extreme temperature fluctuations. |
| Remote sensor not connecting | 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. Especificações
- Modelo: 30.5045.54
- Faixa de temperatura: 0°C a +60°C (32°F a 140°F)
- Resolução de temperatura: 0.1°C
- Faixa de umidade: 10% a 99% UR
- Poder: 2 pilhas AAA de 1.5V (não inclusas)
- Dimensões: 64 x 109 x 18 mm (2.52 x 4.29 x 0.71 polegadas)
- Peso: 65 gramas (2.29 onças)
- Tipo de montagem: Mesa ou parede
- Fabricante: TFA Dostmann
9. Garantia e Suporte
For warranty information or technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for any warranty claims.





