# Environmental sensor TFA WeatherHub smart home Wireless — Measures temperature & humidity, Wi‑Fi, AC and AA battery power, 40×28×104 mm

**URL:** https://aio.lv/en/product--tfa-31401202--11677048
**Data updated:** 2026-01-18 17:01 (EET)
**Category:** Smart Sensors
**Manufacturer:** TFA
**Manufacturer code:** 31.4012.02
**EAN:** 4009816031266
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 87.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 72.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-31401202--11677048

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

TFA WeatherHub smart home environmental sensor monitors indoor conditions by measuring temperature and humidity. It connects wirelessly via Wi‑Fi and can be powered from AC or backup AA batteries (1.5 V). Compact dimensions (40 × 28 × 104 mm) allow placement on a shelf or wall. Suited for smart home integration, climate monitoring, and ensuring comfort or protecting sensitive items.

## Long description

Use the WEATHERHUB "OBSERVER" web platform for professional monitoring and documentation of temperature and humidity. The starter set includes a professional temperature and humidity transmitter with a high-precision sensor for measuring ambient temperature and relative humidity indoors or outdoors. The wireless sensor transmits measured values via a gateway module to the Internet where data is stored and accessible for at least 90 days through the WEATHERHUB "OBSERVER" platform on PC, tablet or smartphone.
Advantages
The system supports long-term storage of measured values, graphical displays with selectable time intervals (day, week, month), and export of data as PDF or CSV files which can be sent by e‑mail. The monitoring can be automated and extensive alert settings are available. The platform is free to use and does not require subscription fees. Up to 50 transmitters can be connected for combined temperature and humidity monitoring.
Suitable for
Monitoring storage rooms and warehouses
Monitoring server and IT equipment rooms
Monitoring greenhouses and plant environments
Monitoring living spaces and offices
Outdoor environmental monitoring when installed accordingly
Key specifications
Measured parameters: temperature and relative humidity
Connectivity: wireless via gateway to Internet (Wi‑Fi supported by platform)
Data storage: at least 90 days on platform
Power: AC and battery backup (AA batteries, 1.5 V)
Dimensions: approx. 104 mm × 40 mm × 28 mm (H × W × D)
Supports connection of up to 50 transmitters
How to use
Install the transmitter in the location to be monitored and power it using the supplied AC adapter or AA batteries. Connect the gateway module to the Internet and register the starter set on the WEATHERHUB "OBSERVER" platform. The wireless sensor will then send measured values to the gateway which forwards data to the online platform. Access measurements and graphs at any time from PC, tablet or smartphone and use export functions to save or send data as PDF or CSV.
Usage recommendations
Place the transmitter away from direct heat sources, radiators or drafts for representative room measurements. For outdoor use, ensure appropriate mounting and protection from direct weather exposure. Regularly check battery condition if used on battery power and verify gateway Internet connection for uninterrupted data transmission.

## Specifications

| Feature | Value |
|---|---|
| Battery voltage | 1.5 V |
| Temperature measurement range | -40 - 60 |
| Power source type | Battery, AC |
| Display type | LCD |
| Frequency | 868 MHz |
| Adapter included | Yes |
| Measuring environmental conditions | Humidity, Temperature |

### Features

| Feature | Value |
|---|---|
| Wireless technology | Wi-Fi |
| Connectivity technology | Wireless |
| Product colour | White |
| Maximum operating distance | 200 m |
| Compatible products | TFA-Dostmann WeatherHub |
| Housing material | Plastic |
| Built-in display | Yes |

### Power

| Feature | Value |
|---|---|
| Battery type | AA |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.543 kg |
| Height | 104 mm |
| Width | 40 mm |
| Depth | 28 mm |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |

## FAQ

### How much does the TFA WeatherHub smart home environmental sensor Wireless cost, and is it available for purchase?

The price is 87.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can TFA WeatherHub smart home environmental sensor Wireless be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All TFA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TFA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for TFA WeatherHub smart home environmental sensor Wireless?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11677048/66995515_large.webp