1. Introduction
Thank you for choosing the DOOMAY Mini Digital Hygrometer Indoor Thermometer. This device is designed to provide accurate and real-time monitoring of temperature and humidity in various indoor environments. Its compact size and clear display make it suitable for use in baby rooms, cellars, reptile incubators, closets, and more. Please read this manual thoroughly before use to ensure proper operation and longevity of the product.

Image: The DOOMAY Mini Digital Hygrometer displaying temperature and humidity, placed on a wooden surface amidst potted plants, highlighting its compact design and clear display.
2. Consignes de sécurité
- N’exposez pas l’appareil à des températures extrêmes ou à la lumière directe du soleil pendant des périodes prolongées.
- Avoid contact with water or other liquids. This device is not waterproof.
- Keep out of reach of children to prevent accidental ingestion of small parts, especially the battery.
- Ne tentez pas de démonter ou de modifier l'appareil. Cela annulera la garantie.
- Jetez les piles usagées conformément aux réglementations locales.
3. caractéristiques du produit
- Haute précision : Monitors environment every 10 seconds with 11 sensitive vents.
- Large plage de mesure : Temperature from -9.9°C to 60°C (14.2°F to 140°F), Humidity from 10% to 99% RH.
- Précision de la température : ±1°C (0~40°C), ±2°C (40~60°C).
- Précision de l'humidité : ±3-5% RH.
- Commutateur Celsius/Fahrenheit : Basculez facilement entre les unités de température.
- Indicateur de confort : Smiley and sad face icons visually represent comfort levels.
- Écran LCD clair : Large digits for easy readability.
- Taille compacte : Mini dimensions (approx. 5cm x 3.5cm x 1.3cm) for portability and space-saving.
- Options de placement multiples : Can be placed on a flat surface or mounted using the included 3M adhesive pad.
- Batterie longue durée : Powered by a CR2032 battery (included).

Image: Detailed diagram showing the components of the hygrometer, including the comfort indicator, battery icon, real-time humidity, real-time temperature, air hole, battery compartment, and °C/°F switch button.
4. Contenu du colis
- DOOMAY Mini Digital Hygrometer (2 units)
- CR2032 Battery (pre-installed in each unit)
- 3M Adhesive Pad (2 units)
- Manuel d'utilisation
5. Installation
5.1. Mise sous tension initiale
The device comes with a pre-installed CR2032 battery. It should power on automatically once removed from its packaging. If the screen is blank, please check the battery installation.
5.2. Installation/Remplacement de la batterie
- Repérez le couvercle de la batterie à l'arrière de l'appareil.
- Ouvrez délicatement le couvercle de la batterie.
- Insérez une nouvelle pile CR2032 avec le côté positif (+) vers le haut.
- Fermez soigneusement le couvercle de la batterie.
Video: This video demonstrates the easy installation of the CR2032 battery and the simple process of attaching the 3M adhesive for mounting the hygrometer.
5.3. Options de placement
The hygrometer offers two convenient placement options:
- Plateau de table : Place the device on any flat surface such as a desk, shelf, or counter.
- Montage mural: Use the provided 3M adhesive pad to stick the device to a clean, dry wall or other vertical surface. Ensure the surface is smooth and free of dust for optimal adhesion.

Image: Illustration of the two placement options for the hygrometer: standing on a flat surface and mounted on a wall using double-sided adhesive tape.
6. Mode d'emploi
6.1. Lecture de l'affichage
The LCD screen displays the current temperature and humidity. The temperature is shown in large digits, typically on the left, and humidity on the right. A small icon indicates the comfort level.
6.2. Changement d'unité de température (°C/°F)
To switch between Celsius (°C) and Fahrenheit (°F), locate the small button inside the battery compartment. Press this button once to toggle the temperature unit.
6.3. Indicateur de niveau de confort
The device features a comfort indicator using face icons to quickly assess the environment:
- Smiling Face: Indicates a comfortable environment (typically 19°C-27°C and 30%-70% RH).
- Visage neutre : Indicates conditions outside the optimal comfort range but not severely uncomfortable.
- Visage triste : Indicates an uncomfortable environment (e.g., too dry, too humid, too hot, or too cold).

Image: A table illustrating the comfort level indicators based on temperature and humidity ranges, showing when a smiling, neutral, or sad face icon will be displayed.
7. Entretien
- Nettoyez l'appareil avec un chiffon doux et sec. N'utilisez pas de nettoyants abrasifs ni de solvants.
- Ensure the air vents are not obstructed to maintain accurate readings.
- Replace the CR2032 battery when the low battery indicator appears on the display.
8. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| L'affichage est vide. | La batterie est déchargée ou mal installée. | Replace the CR2032 battery or ensure it is installed correctly with the positive side up. |
| Lectures inexactes. | Obstructed air vents, device placed near heat/cold source, or device recently moved. | Ensure air vents are clear. Move the device away from direct heat sources (e.g., sunlight, heaters) or cold sources (e.g., air conditioners). Allow 10-15 minutes for readings to stabilize after moving. |
| L'unité de température ne changera pas. | Bouton non enfoncé correctement. | Ensure the °C/°F switch button inside the battery compartment is pressed firmly. |
9. Spécifications
| Modèle | 5289BP2 |
| Plage de température | -9.9°C à 60°C (14.2°F à 140°F) |
| Précision de la température | ±1°C (0~40°C), ±2°C (40~60°C) |
| Taux d'humidité | 10% à 99% HR |
| Précision de l'humidité | ±3-5 % HR |
| Taux de mise à jour | Toutes les 10 secondes |
| Type de batterie | CR2032 (inclus) |
| Dimensions | 5cm x 3.5cm x 1.3cm (2 inch x 1.34 inch x 0.51 inch) |
| Poids | Approx. 25g (0.88 oz) per unit |
| Type de montage | Tabletop, Adhesive Mount |
10. Garantie et assistance
The DOOMAY Mini Digital Hygrometer Indoor Thermometer comes with a Garantie de 12 mois à compter de la date d'achat. Cette garantie couvre les défauts de fabrication et les dysfonctionnements dans des conditions normales d'utilisation.
For technical support, warranty claims, or any questions regarding your product, please contact DOOMAY customer service through the retailer where you purchased the product or visit the official DOOMAY website pour les coordonnées.
Veuillez conserver votre preuve d'achat à des fins de garantie.