# Digital thermo-hygrometer TFA-Dostmann 30.5045.54 Black Silver Indoor thermometer hygrometer

**URL:** https://aio.lv/en/product--tfa-dostmann-30504554--11029355
**Data updated:** 2025-12-30 15:07 (EET)
**Category:** Weather Station
**Manufacturer:** tfa dostmann
**Manufacturer code:** 30.5045.54
**EAN:** 4009816031129
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-30504554--11029355

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The TFA-Dostmann Digital thermo-hygrometer 30.5045.54 features a sleek black and silver design. It measures indoor temperature and humidity, providing accurate readings. Powered by AAA batteries, it has a compact size of 64mm width, 18mm depth, and 109mm height, making it easy to place anywhere in your home or office.

## Long description

The TFA-Dostmann 30.5045.54 digital thermo-hygrometer in black and silver measures indoor temperature and relative humidity to help monitor and maintain a healthy indoor climate. The compact device displays current temperature and humidity, records maximum and minimum values, and features a backlit screen for easy reading in low light. It can also act as a wireless transmitter with compatible TFA weather stations.
Advantages
This thermo-hygrometer provides clear numerical readings of temperature and humidity and stores max/min values that can be reset manually or automatically. Coloured comfort-level zones on the display indicate whether indoor air is within an ideal range, too humid, or too dry. The backlight improves readability in the dark, and the small footprint and battery operation allow flexible placement anywhere indoors.
Suitable for
Monitoring room climate in homes and apartments
Protecting wooden floors, furniture and antiques from excessive dryness or humidity
Assessing conditions for houseplants and pets
Use in offices, nurseries and other indoor spaces
Integration as a wireless transmitter with compatible TFA weather stations
Key specifications
Model: TFA-Dostmann 30.5045.54
Measurements: indoor temperature and relative humidity
Temperature range (indoor): 0 to 60 °C
Units: °C / °F selectable
Display: built-in with backlight
Max/min memory with manual or automatic reset
Power: AAA batteries
Dimensions (W×D×H): 64 × 18 × 109 mm
Weight: 0.065 kg
Colour: black and silver
MPN: 30.5045.54 • EAN: 4009816031129
How to use
Insert the required AAA batteries, place the thermo-hygrometer on a flat surface or mount it where you want to monitor the indoor climate, avoiding direct sunlight and heat sources. The display shows the current temperature and humidity; use the controls to view max/min values or switch units between °C and °F. If used with a compatible TFA weather station, follow the station’s pairing instructions to enable the device as a wireless transmitter.
Usage recommendations
To obtain representative indoor readings, place the device at about chest height away from windows, radiators and cooking appliances. Regularly check the max/min memory after seasonal changes and replace batteries when the display dims to ensure continuous monitoring.

## Specifications

### Power

| Feature | Value |
|---|---|
| Battery type | AAA |
| Power source | Battery |
| Battery voltage | 1.5 V |
| Number of batteries (receiver) | 2 |

### Features

| Feature | Value |
|---|---|
| Wall mountable | Yes |
| Product colour | Silver, Black |
| Housing material | Plastic |
| Temperature measurement range (inside) (T-T) | 0 - 60 |
| Temperature measurement range (inside) (T-T) | 32 - 140 |
| Min/Max temperature memory | Yes |
| Alarm function | No |
| Clock function | No |
| Temperature measurement units | °C, F |
| Measuring functions | Indoor hygrometer, Indoor thermometer |
| Measuring functions trend display | Thermometer, Hygrometer |
| Weather station extremum data | Thermometer, Hygrometer |
| Humidity measuring range (inside) (H-H) | 10 - 99 |

### Display

| Feature | Value |
|---|---|
| Backlight display | Yes |
| Built-in display | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.065 kg |
| Height | 109 mm |
| Width | 64 mm |
| Depth | 18 mm |

## FAQ

### How much does the Digital thermo-hygrometer TFA-Dostmann 30.5045.54 cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 07.07.2026 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. 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

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

When making a choice, we recommend paying attention to the key features: temperature measurement range (inside) (t-t), built-in display, alarm function, clock function, weight, temperature measurement units, product colour, 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 Digital thermo-hygrometer TFA-Dostmann 30.5045.54?

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/11029355/65634292_large.webp