1. Introducción
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. Contenido del paquete
- 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. Características del producto
- Gran pantalla LCD: Clearly shows current temperature and humidity.
- Función de luz de fondo: Blue backlight for easy reading in low-light conditions. Activated by touch.
- Controles de pantalla táctil: Simple operation for unit selection, backlight, and MAX/MIN data.
- Registros MAX/MIN: Displays highest and lowest temperature and humidity recorded over the last 24 hours or since the last reset.
- Indicador de nivel de comodidad: Shows indoor humidity status as DRY, COMFORT, or WET.
- Temperature/Humidity Trend Arrows: Indica si la temperatura y la humedad están aumentando, disminuyendo o permaneciendo constantes.
- Frecuencia de actualización rápida: Readings update approximately every 10 seconds.

Imagen: Una sobreview 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. Configuración
4.1. Instalación de la batería
- Localice el compartimento de la batería en la parte posterior del dispositivo.
- Retire la tapa del compartimiento de la batería.
- Insert two AAA (1.5V) batteries, ensuring correct polarity (+ and -).
- Vuelva a colocar la tapa del compartimiento de la batería.
El dispositivo se encenderá automáticamente y comenzará a mostrar lecturas de temperatura y humedad.
5. Operación
5.1. Selección de unidad de temperatura
Touch the '°F/°C' button on the touchscreen to switch between Celsius and Fahrenheit temperature units.
5.2. Control de luz de fondo
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. Comfort Level Indicator
The device displays one of three comfort levels based on humidity:
- SECO: La humedad está por debajo del 30% HR.
- COMODIDAD: Humidity is between 30% and 60% RH.
- MOJADO: Humidity is above 60% RH.
6. Opciones de colocación
The ThermoPro TP55 offers three versatile placement options:
- Fijación magnética: A strong magnet on the back allows you to attach the device to metallic surfaces like refrigerators.
- Montaje en pared: Use the integrated hook hole to hang the device on a wall.
- Soporte de mesa: 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. Mantenimiento
7.1. Limpieza
Limpie el dispositivo con un paño suave, damp paño. No utilice limpiadores abrasivos ni sumerja el dispositivo en agua.
7.2. Reemplazo de la batería
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. Solución de problemas
- Sin pantalla: Ensure batteries are installed correctly with the correct polarity. Replace batteries if they are depleted.
- Lecturas inexactas: 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.
- La luz de fondo no funciona: Check battery level. If batteries are low, the backlight may not function.
9. Especificaciones
| Característica | Detalle |
|---|---|
| Rango de temperatura | -50 °C a 70 °C (-58 °F a 158 °F) |
| Rango de humedad | 10% a 99% HR |
| Precisión de temperatura | ±1 °C (±1.8 °F) |
| Precisión de humedad | ±2% (for 30-80% RH), ±3% (otherwise) |
| Frecuencia de actualización | Cada 10 segundos |
| Fuente de poder | 2 pilas AAA de 1.5 V |
| Duración de la batería | Aproximadamente 1 año |
| Dimensiones (alto x ancho x profundidad) | 11 cm x 8.5 cm x 2.4 cm |
| Peso | 160 gramos |
10. Garantía y soporte
10.1. Información de garantía
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. Atención al cliente
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 websitio o dentro del embalaje del producto.





