1. Einleitung
The ThermoPro TP55 is a digital indoor thermometer and hygrometer designed to accurately monitor temperature and humidity levels in your living environment. This device features a large, easy-to-read LCD display with a backlight, touchscreen controls, and the ability to record maximum and minimum values over time. It also provides a comfort level indicator to help you maintain an optimal indoor climate.
This manual provides detailed instructions on how to set up, operate, and maintain your ThermoPro TP55 to ensure accurate and reliable performance.
2. Packungsinhalt
- 1 x ThermoPro TP55 Digital Indoor Thermometer Hygrometer
- 1 x Japanese Instruction Manual
- 2 x AAA 1.5V Batteries (for initial operation/testing)

Image: The ThermoPro TP55 device, its instruction manual, and two AAA batteries, as typically found in the product packaging.
3. Produktmerkmale
- Großes LCD-Display: Clearly shows current temperature and humidity.
- Hintergrundbeleuchtungsfunktion: Blue backlight for easy reading in low-light conditions. Activated by touch.
- Touchscreen-Steuerung: Simple operation for unit selection, backlight, and MAX/MIN data.
- MAX/MIN-Rekorde: Displays highest and lowest temperature and humidity recorded over the last 24 hours or since the last reset.
- Komfortstufenanzeige: Shows indoor humidity status as DRY, COMFORT, or WET.
- Temperature/Humidity Trend Arrows: Zeigt an, ob Temperatur und Luftfeuchtigkeit steigen, fallen oder konstant bleiben.
- Schnelle Bildwiederholfrequenz: Readings update approximately every 10 seconds.

Bild: Ein überview of the ThermoPro TP55's display, highlighting its key features such as the backlight button, F/C switch, and the 'ALL TIME / 24 HRS' button.

Image: A close-up of the TP55's screen, detailing the display of current humidity, high/low humidity, comfort level (DRY, COMFORT, WET), current temperature, and high/low temperature.
4. Einrichtung
4.1. Einlegen der Batterie
- Suchen Sie das Batteriefach auf der Rückseite des Geräts.
- Entfernen Sie die Abdeckung des Batteriefachs.
- Insert two AAA (1.5V) batteries, ensuring correct polarity (+ and -).
- Bringen Sie die Abdeckung des Batteriefachs wieder an.
The device will power on automatically and begin displaying temperature and humidity readings.
5. Bedienung
5.1. Auswahl der Temperatureinheit
Touch the '°F/°C' button on the touchscreen to switch between Celsius and Fahrenheit temperature units.
5.2. Steuerung der Hintergrundbeleuchtung
Touch the light bulb icon button on the touchscreen to turn the blue backlight ON or OFF. The backlight will automatically turn off after approximately 15 seconds to conserve battery life.

Image: The ThermoPro TP55 display with its blue backlight illuminated, demonstrating the visibility in a dimly lit room. A finger is shown activating the backlight via the touch button.
5.3. MAX/MIN Record Display and Reset
Touch the 'ALL TIME / 24 HRS' button on the touchscreen to toggle between displaying MAX/MIN temperature and humidity records for the last 24 hours or since the last manual reset. To manually reset the MAX/MIN records, press and hold the 'ALL TIME / 24 HRS' button for 3 seconds.
5.4. Komfortniveauanzeige
The device displays one of three comfort levels based on humidity:
- TROCKEN: Humidity is below 30% RH.
- KOMFORT: Humidity is between 30% and 60% RH.
- NASS: Humidity is above 60% RH.
6. Platzierungsoptionen
The ThermoPro TP55 offers three versatile placement options:
- Magnetische Befestigung: A strong magnet on the back allows you to attach the device to metallic surfaces like refrigerators.
- Wandhalterung: Use the integrated hook hole to hang the device on a wall.
- Tischständer: A fold-out stand allows for convenient placement on any flat surface.

Image: A visual representation of the three placement methods for the ThermoPro TP55: magnetic backing, a wall-hanging slot, and a foldable stand for desktop use.
7. Wartung
7.1. Reinigung
Wischen Sie das Gerät mit einem weichen, damp Tuch. Verwenden Sie keine Scheuermittel und tauchen Sie das Gerät nicht in Wasser.
7.2. Batteriewechsel
When the battery indicator appears on the display, replace the two AAA batteries with new ones to ensure continued accurate operation. Refer to section 4.1 for battery installation instructions.
8. Fehlerbehebung
- Kein Bildschirm: Ensure batteries are installed correctly with the correct polarity. Replace batteries if they are depleted.
- Ungenaue Messwerte: Allow the device to stabilize for at least 30 minutes after initial setup or relocation. Ensure it is not placed near heat sources, direct sunlight, or strong drafts.
- Hintergrundbeleuchtung funktioniert nicht: Check battery level. If batteries are low, the backlight may not function.
9. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Temperaturbereich | -50 °C bis 70 °C (-58 °F bis 158 °F) |
| Feuchtigkeitsbereich | 10 % bis 99 % relative Luftfeuchtigkeit |
| Temperaturgenauigkeit | ±1 °C (±1.8 °F) |
| Feuchtigkeitsgenauigkeit | ±2% (for 30-80% RH), ±3% (otherwise) |
| Bildwiederholrate | Alle 10 Sekunden |
| Stromquelle | 2 x AAA 1.5 V Batterien |
| Akkulaufzeit | Ungefähr 1 Jahr |
| Abmessungen (H x B x T) | 11 cm x 8.5 cm x 2.4 cm |
| Gewicht | 160 g |
10. Garantie und Support
10.1. Garantieinformationen
ThermoPro provides a 1-year warranty for this product from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
10.2. Kundendienst
For any questions, issues, or support needs regarding your ThermoPro TP55, please contact ThermoPro customer service. Contact information can typically be found on the official ThermoPro webor oder innerhalb der Produktverpackung.





