# Digital Weather Station TFA-Dostmann 31.1028 Black Indoor Thermometer Hygrometer

**URL:** https://aio.lv/en/product--tfa-dostmann-311028--11445094
**Data updated:** 2026-01-06 11:19 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** tfa dostmann
**Manufacturer code:** 31.1028
**EAN:** 4009816013477
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 99.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 82.22 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-311028--11445094

## 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

The TFA-Dostmann 31.1028 is a digital weather station designed for indoor use. It features a hygrometer and thermometer to measure humidity and temperature accurately. The device is powered by AAA batteries and has a compact design with dimensions of 50mm x 50mm x 173mm. Made from durable plastic, it is ideal for monitoring indoor climate conditions.

## Long description

The Digital Weather Station TFA-Dostmann 31.1028 is a compact indoor thermometer and hygrometer that measures temperature and relative humidity with high precision using a Swiss precision sensor. The device displays current temperature, humidity, dew point and wet-bulb temperature, and includes battery-powered operation in a durable plastic housing (dimensions 50 × 50 × 173 mm).
Advantages
The instrument provides precise temperature and humidity readings suitable for professional applications. It shows maximum and minimum recorded values and offers a data-hold function for easy reading. Dew point and wet-bulb temperature calculations are available for more detailed climate assessment. The compact size and battery operation make the unit portable and easy to install indoors.
Suitable for
 Climate control in storage and test rooms (ISO 9000 related monitoring)
 Measurements for heating, ventilation and air conditioning (HVAC) tasks
 Comparative and service measurements during maintenance and inspections
 General indoor climate monitoring in homes, offices and laboratories
Key specifications
 Model: TFA-Dostmann 31.1028
 Sensor: Swiss precision sensor
 Measurements: temperature, relative humidity, dew point, wet-bulb temperature
 Display functions: current value, max/min, data hold
 Power: AAA batteries
 Dimensions: 50 mm × 50 mm × 173 mm
 Housing: durable plastic
How to use
Insert the required AAA batteries and place the device indoors at the location where you want to monitor the climate, away from direct heat sources or drafts for representative readings. Read the current temperature and humidity from the display; use the max/min function to review recorded extremes and press the data-hold button to freeze a reading for recording. Refer to the markings on the display to view dew point and wet-bulb temperature when needed.
Usage recommendations
For accurate and repeatable indoor measurements, position the unit at a typical breathing height and avoid placing it near windows, radiators or air vents. Replace batteries promptly when low to ensure continuous operation and recalibrate or compare periodically if used for formal quality assurance tasks.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.071 kg |
| Battery type | AAA |
| Power source | Battery |
| Height | 173 mm |
| Width | 50 mm |
| Depth | 50 mm |
| Product colour | Black |
| Battery voltage | 1.5 V |
| Housing material | Plastic |
| Temperature measurement range (inside) (T-T) | -40 - 70 |
| Temperature measurement range (inside) (T-T) | -40 - 158 |
| Number of batteries (sensor) | 2 |
| Min/Max temperature memory | Yes |
| Alarm function | No |
| Clock function | No |
| Built-in display | Yes |
| Temperature measurement units | °C, F |
| Measuring functions | Indoor thermometer, Indoor hygrometer |
| Weather forecast | No |
| Humidity measuring range (inside) (H-H) | 0 - 99 |
| Colour display | No |
| Temperature accuracy | 0.5 °C |
| Humidity accuracy | 3 % |

## FAQ

### How much does the Digital Weather Station TFA-Dostmann 31.1028 cost, and is it available for purchase?

The price is 99.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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

## Image

https://aio.lv/img/cache/product/11445094/66154526_large.webp