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

**URL:** https://aio.lv/en/product--tfa-31401302--11677049
**Data updated:** 2026-01-18 17:01 (EET)
**Category:** Smart Sensors
**Manufacturer:** TFA
**Manufacturer code:** 31.4013.02
**EAN:** 4009816031273
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 71.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-31401302--11677049

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Compact TFA WeatherHub smart home environmental sensor measures temperature and humidity and connects via Wi‑Fi. It supports dual power: mains (AC) and replaceable AAA batteries (1.5 V). With small dimensions (40×28×104 mm) it fits indoor placements for monitoring home climate, remote data access and integration into smart home setups.

## Long description

Use the WEATHERHUB OBSERVER web platform for professional temperature monitoring and documentation. The starter set contains a wireless temperature and humidity transmitter with an integrated waterproof cable sensor for monitoring ambient conditions indoors or outdoors, as well as temperatures inside refrigeration, air-conditioning units or in liquids. The cable sensor has a wide measuring range up to 110°C and a 1.5 m cable length; measured values are transmitted every 3.5 minutes to the gateway and then via the Internet to the server where data is stored for at least 90 days.
Advantages
The system provides continuous remote access to measured values via the WEATHERHUB OBSERVER platform from PC, tablet or smartphone and displays data in clear, configurable diagrams (day, week, month). Data export is possible as PDF or CSV and can be sent by e-mail. Monitoring can be automated with configurable alerts, the platform is free of charge with no subscription, and the starter set supports connection of up to 50 transmitters including humidity monitoring.
Suitable for
Pharmacies and medical storage
Laboratories and research facilities
Refrigerators and freezers monitoring
Air-conditioning and HVAC systems
Monitoring temperatures in liquids and process equipment
Key specifications
Measured values: temperature and humidity
Cable sensor measuring range: up to 110°C
Cable length: 1.5 m
Transmission interval of cable sensor: every 3.5 minutes
Storage of measured data on server: minimum 90 days
Remote access via web platform on PC, tablet, smartphone
Data export formats: PDF and CSV (text)
Maximum supported transmitters: up to 50 devices
Power: AC supply and AAA battery backup (1.5 V)
Connectivity: wireless via gateway and Internet
How to use
Install the transmitter in the monitoring location and position the waterproof cable sensor where temperature measurement is required (ambient, refrigeration unit or liquid). Connect the gateway to the Internet so the transmitter can send measurements to the WEATHERHUB OBSERVER server. Access the platform at www.wh-observer.de from a PC, tablet or smartphone to view diagrams, adjust time intervals, export data or configure alerts. Ensure batteries or AC power are fitted according to the device requirements.
Usage recommendations
Place the cable sensor securely to avoid direct contact with heating elements unless measuring process temperatures; keep the transmitter and gateway within recommended wireless range and check battery status periodically. For critical storage (pharmaceuticals or samples) configure alert thresholds and verify exports and logs regularly.

## Specifications

| Feature | Value |
|---|---|
| Battery voltage | 1.5 V |
| Temperature measurement range | -50 - 110 |
| 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 | AAA |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.516 kg |
| Height | 104 mm |
| Width | 40 mm |
| Depth | 28 mm |

### Packaging content

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

## FAQ

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

The price is 86.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 01.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can TFA WeatherHub 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 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/11677049/66995511_large.webp