# Temperature Transmitter TFA-Dostmann 30.3800.02 -40 to 60 °C LED Display

**URL:** https://aio.lv/en/product--dostmann-electronic-30380002--10621673
**Data updated:** 2026-01-07 09:59 (EET)
**Category:** Weather Station
**Manufacturer:** dostmann electronic
**Manufacturer code:** 30.3800.02
**EAN:** 4009816035622
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dostmann-electronic-30380002--10621673

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The TFA-Dostmann 30.3800.02 temperature transmitter measures indoor temperatures from -40 to 60 °C. It features an LED display for easy reading and operates on a 1.5 V battery. Compact dimensions of 50 mm width, 18 mm depth, and 145 mm height make it suitable for various indoor applications.

## Long description

The Temperature Transmitter TFA-Dostmann 30.3800.02 is a compact wireless transmitter designed for use with TFA weather stations to report indoor temperature. It measures temperatures from -40 to 60 °C, displays readings on a built-in LED screen and is powered by a single 1.5 V battery. With dimensions of 50 mm (W) × 18 mm (D) × 145 mm (H), the unit fits a variety of indoor installation locations.
Advantages
The transmitter offers a wide measurement range suitable for extreme indoor conditions and a clear LED display for straightforward reading. Its compact size allows flexible placement, and battery operation enables wireless setup without mains connection. The device is compatible with TFA wireless weather station systems and uses standard power supply for easy replacement.
Suitable for
Indoor temperature monitoring in homes
Use with TFA wireless weather station systems
Monitoring temperature in storage rooms or offices
Key specifications
Model: TFA-Dostmann 30.3800.02
Measurement range: -40 to 60 °C
Display: LED
Power supply: 1.5 V battery
Dimensions (W × D × H): 50 × 18 × 145 mm
Brand: dostmann electronic
EAN: 4009816035622
How to use
Install a 1.5 V battery in the transmitter according to the polarity markings. Place the transmitter within the wireless range of the TFA weather station base unit and position it away from direct heat sources or drafts for accurate indoor readings. The LED display shows the current measured temperature; refer to the weather station manual to pair the transmitter with the base unit if needed.
Usage recommendations
Replace the battery when the display dims or readings become intermittent. For reliable measurements, mount the transmitter on an interior wall at typical room height and avoid placing it in direct sunlight or near heating vents.

## Specifications

| Feature | Value |
|---|---|
| Type | Indoor |
| Display | LED |
| Number of batteries supported | 2 |
| Display included | Yes |
| Temperature measurement range | -40 - 60 |
| Placement | Wall |
| Transmission distance | 100 m |

### Power

| Feature | Value |
|---|---|
| Battery voltage | 1.5 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.06 kg |
| Height | 145 mm |
| Width | 50 mm |
| Depth | 18 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |

### Features

| Feature | Value |
|---|---|
| Product colour | White |
| Operating frequency | 868 |

### Technical details

| Feature | Value |
|---|---|
| Sustainable technologies and materials | Plastic |

## FAQ

### How much does the Temperature Transmitter TFA-Dostmann 30.3800.02 cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 16.07.2026 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 dostmann electronic 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 dostmann electronic 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: weight, 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.

## Image

https://aio.lv/img/cache/product/10621673/64415061_large.webp