1. Introduzione
The Shelly BLU H&T is a compact, water and dust-resistant Bluetooth sensor designed to accurately measure temperature and humidity. This device is an integral part of a smart home ecosystem, enabling users to monitor environmental conditions and automate climate control when integrated with other Shelly devices. This manual provides essential information for the safe and effective use of your Shelly BLU H&T sensor.

Image 1: Introduction to the Shelly BLU H&T sensor, highlighting its precision and durability.
2. Informazioni di sicurezza
- Leghjite attentamente stu manuale d'utilizatore prima di l'installazione è l'usu.
- Ùn pruvate micca di disassemble o mudificà u dispusitivu.
- Mantene l'apparecchiu luntanu da a luce diretta di u sole, da fonti di calore è da fiamme libere.
- Assicuratevi chì a batteria sia inserita currettamente secondu i segni di polarità.
- Eliminate e batterie usate in modu responsibile secondu e regulazioni lucali.
- The device is IP54 rated for dust and splash water resistance; however, it is not designed for submersion in water.
3. Ciò chì hè in a scatula
Quandu avete apertu l'imballu di u pruduttu, duvete truvà i seguenti elementi:
- 1 x Shelly BLU H&T Sensor (Black)
- 1 x CR2032 3V Battery (pre-installed)
- 1 x Manuale d'usu (stu documentu)

Image 2: The Shelly BLU H&T sensor and its packaging.
4. Dispositivu Finituview
The Shelly BLU H&T sensor is designed for discreet placement and reliable performance. It features a compact square design with a central sensor opening and a small LED indicator.

Imagine 3: Dettagliata view of the Shelly BLU H&T sensor.
E caratteristiche chjave includenu:
- Bluetooth Low Energy (BLE) Technology: Ensures quick response and extended battery life.
- Classificazione IP54: Provides resistance against dust and splashing water, suitable for both indoor and outdoor use.
- Misure precise: Accurately monitors temperature and humidity levels.
- Storia di i dati: Access historical data for environmental trends.
- Modu Beacon: Allows for proximity-based automations.

Image 4: Features of the Shelly BLU H&T, emphasizing Bluetooth operation.

Image 5: The Shelly BLU H&T's IP54 durability and suitability for various environments.
5. Setup
5.1. Installazione di batterie
The Shelly BLU H&T comes with a pre-installed CR2032 3V battery. To activate the device, remove the small plastic tab if present. If you need to replace the battery, gently open the device casing è inserite una nova batteria CR2032, assicurendu a polarità curretta.
5.2. Shelly Smart Control App Installation & Pairing
To utilize the full functionality of your Shelly BLU H&T sensor, you need to pair it with the Shelly Smart Control app. The app is available for both iOS and Android devices.
- Scaricate u Cuntrollu Intelligente Shelly app da l'app store di u vostru dispositivu.
- Create an account or log in to your existing Shelly account.
- Assicuratevi chì Bluetooth hè attivatu nantu à u vostru smartphone.
- In the app, follow the on-screen instructions to add a new device. The app will scan for nearby Shelly BLU devices.
- Select your Shelly BLU H&T from the list and complete the pairing process.
5.3. Gateway Requirement
The Shelly BLU H&T sensor requires a compatible Shelly gateway device (e.g., Shelly BLU Gateway, Shelly Plus, Pro, or Gen3 device) to connect to the Shelly Smart Control app and enable remote monitoring and automation features. Without a gateway, the sensor will operate locally but cannot communicate with the app or cloud services.
6. Operazione
6.1. Monitoraghju di a temperatura è di l'umidità
Once paired with the Shelly Smart Control app via a gateway, you can view real-time temperature and humidity readings from your sensor. The app provides a dashboard to monitor current conditions and access historical data.

Image 6: The Shelly BLU H&T offers data history and secure communication.

Image 7: The sensor's role in climate control by tracking temperature and humidity.
6.2. Scene Intelligenti è Automatizazione
The Shelly BLU H&T sensor can be used to trigger automated actions (Smart Scenes) with other Shelly devices. For exampLe:
- Controlu di a temperatura: If the temperature drops below a set threshold, automatically activate a Shelly-controlled heater.
- Gestione di l'umidità: If humidity exceeds a certain level, turn on a fan connected to a Shelly relay.
- Window/Blind Control: Based on outdoor temperature, automatically adjust blinds or open/close windows (with compatible Shelly devices).

Image 8: The sensor enables scene activation and automation with other Shelly devices.
Video 1: An official Shelly video demonstrating how Shelly devices can create a smart home environment. This video showcases various smart home applications, including lighting, security, energy saving, and daily routine simplification, highlighting the benefits of integrating Shelly products into your life.
7. Mantenimentu
7.1. Sustituzione di batterie
The Shelly BLU H&T uses a single CR2032 3V battery. The battery life can vary depending on usage and environmental conditions. When the battery level is low, you will receive a notification via the Shelly Smart Control app. To replace the battery:
- Gently open the device casing.
- Eliminate a vechja batteria CR2032.
- Insert a new CR2032 3V battery, ensuring the positive (+) side faces up.
- Chjude u dispusitivu casing in modu sicuru.
7.2. Pulizia
To clean the device, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water. Ensure the sensor opening remains clear of dust and debris for accurate readings.
8. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Device not detected during pairing | Bluetooth is off; device out of range; low battery. | Ensure Bluetooth is on, move device closer to phone/gateway, check/replace battery. |
| Letture imprecise | Sensor opening blocked; device placed in extreme conditions. | Clean sensor opening, relocate device to a suitable environment. |
| No remote access/automation | No Shelly gateway connected or configured. | Ensure a compatible Shelly gateway is set up and connected to the internet. |
| Corta vita di a bateria | Frequent data updates; extreme temperatures. | Adjust reporting frequency in app settings, avoid extreme temperatures. |
9. Specificazioni
Detailed technical specifications for the Shelly BLU H&T sensor:
| Feature | Specificazione |
|---|---|
| Numero di mudellu | 3800235266809 |
| Connettività | Bluetooth Low Energy (BLE) |
| Alimentazione elettrica | 1 x CR2032 3V Battery (included) |
| A vita di a batteria | Up to 5 years (depending on usage) |
| Gamma di temperatura | 0 ° C à 60 ° C (32 ° F à 140 ° F) |
| Intervallu di Umidità | 0% à 100% RH (senza condensazione) |
| Accuratezza | Temperature: ±0.5°C; Humidity: ±5% RH |
| Classificazione IP | IP54 (Resistente à a polvere è à l'acqua) |
| Dimensioni | 1.46 x 1.46 x 1.46 inch (37 x 37 x 13 mm) |
| Pesu | 0.46 ounces (13 grammi) |
| Tipu di muntatura | Mount Panel |

Image 9: Dimensions of the Shelly BLU H&T sensor.
10. Garanzia è Support
Shelly provides a 2-year device warranty. For technical support, product information, or warranty claims, please refer to the official Shelly support resources.
- Supportu in ligna: Visita u Casa di Supportu Shelly for a knowledge base, FAQs, and community forums.
- Supportu prufessiunale: Contact Shelly customer service for direct assistance.

Image 10: Scan the QR code for quick access to Shelly's support resources.
11. Related Shelly Products
Enhance your smart home experience by integrating the Shelly BLU H&T with other Shelly devices:



