# Environmental sensor tfa dostmann WeatherHub smart home Wireless — Humidity & Temperature, Wi‑Fi, AC/Battery (AA), 40×28×104 mm

**URL:** https://aio.lv/en/product--tfa-dostmann-31401202--11677503
**Data updated:** 2026-01-21 13:46 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** tfa dostmann
**Manufacturer code:** 31.4012.02
**EAN:** 4009816031266
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 113.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 93.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-31401202--11677503

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

tfa dostmann WeatherHub smart home environmental sensor measures humidity and temperature and connects via Wi‑Fi. It supports AC power or battery operation (AA, 1.5 V) for flexible placement. Compact dimensions (40 × 28 × 104 mm) make it suitable for rooms, offices or smart home integrations. Use it for monitoring indoor climate, automating HVAC actions and receiving remote readings through the WeatherHub system.

## Long description

The WeatherHub "OBSERVER" starter set provides professional monitoring and documentation of ambient temperature and humidity via the WeatherHub web platform. The set includes a compact thermo-hygro transmitter with a precise sensor for measuring indoor or outdoor temperature and relative humidity. Measured values are transmitted wirelessly through a gateway to the Internet and stored on the platform for at least 90 days, where they can be accessed worldwide from PC, tablet or smartphone.
Advantages
The system supports both AC power and AA battery operation for flexible placement and continuous monitoring. Data are displayed as clear diagrams selectable by day, week or month, and can be exported as PDF or CSV files and sent by e-mail. The platform allows automated monitoring and configurable alert settings without subscription fees, and supports up to 50 transmitters for expanded humidity and temperature monitoring.
Suitable for
Monitoring storage rooms and warehouses
Monitoring server rooms and IT cabinets
Greenhouses and plant cultivation areas
Residential rooms and offices
Remote climate monitoring via smartphone or PC
Key specifications
Measured values: temperature and relative humidity
Wireless data transmission via gateway to Internet platform
Platform data retention: at least 90 days
Power supply: AC adapter or AA batteries (1.5 V)
Connectivity: Wi‑Fi via WeatherHub gateway
Device dimensions: 40 × 28 × 104 mm
Support for up to 50 transmitters on the platform
How to use
Install the transmitter in the location to be monitored and power it using the AC adapter or AA batteries. Ensure the gateway is connected to the Internet and paired with the WeatherHub OBSERVER platform. The transmitter will send measured temperature and humidity values wirelessly to the gateway; data become available on the web platform where you can view diagrams, set time intervals, export data and configure alerts.
Usage recommendations
Place the sensor away from direct heat sources, air vents or direct sunlight for representative ambient measurements. For outdoor use, mount the transmitter in a sheltered location. Regularly check battery status if using battery power and verify gateway Internet connection to ensure continuous data logging.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.543 kg |
| Battery type | AA |
| Wireless technology | Wi-Fi |
| Height | 104 mm |
| Width | 40 mm |
| Depth | 28 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Maximum operating distance | 200 m |
| Compatible products | TFA-Dostmann WeatherHub |
| Manual | Yes |
| Battery voltage | 1.5 V |
| Housing material | Plastic |
| Temperature measurement range | -40 - 60 |
| Power source type | Battery, AC |
| Built-in display | Yes |
| Display type | LCD |
| Frequency | 868 MHz |
| Adapter included | Yes |
| Measuring environmental conditions | Temperature, Humidity |

## FAQ

### How much does the Environmental sensor tfa dostmann WeatherHub Wireless cost, and is it available for purchase?

The price is 113.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 23.07.2026 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. All transactions are 100% secure and encrypted.

### 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 dostmann 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 dostmann 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

### Where can I download the instructions for Environmental sensor tfa dostmann WeatherHub 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/11677503/67007640_large.webp