# Electronic environment thermometer tfa dostmann 30.1009 — indoor/outdoor, °C, 70×20×110 mm, white

**URL:** https://aio.lv/en/product--tfa-dostmann-301009--12088865
**Data updated:** 2026-03-13 15:50 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** tfa dostmann
**Manufacturer code:** 30.1009
**EAN:** 4009816005472
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-301009--12088865

## 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

Electronic environment thermometer tfa dostmann 30.1009 is designed for indoor and outdoor temperature monitoring. It displays temperature in °C and has compact dimensions of 70×20×110 mm. The white housing suits domestic and light commercial use for rooms, balconies or greenhouses where simple, reliable temperature readout is needed.

## Long description

Electronic environment thermometer tfa dostmann 30.1009 is a compact digital thermometer for monitoring indoor and outdoor temperature. The device displays temperature in °C and comes in a white plastic housing sized 70×20×110 mm. A wired waterproof sensor allows placement of the sensing element outside a window or in environments such as refrigerators, freezers or aquariums, while the main unit remains indoors for easy reading. The instrument also records maximum and minimum temperature values which can be reset manually, enabling observation of peak temperatures over a chosen period.
Advantages
This thermometer combines a clear digital display with a wired, waterproof sensor for flexible placement. Its compact dimensions and wall-mountable design make it unobtrusive in living spaces, balconies or light commercial areas. The max-min memory with manual reset provides simple monitoring of temperature extremes without additional equipment. The white plastic housing is easy to clean and suited to standard interior environments.
Suitable for
 Monitoring indoor room temperature in living rooms, bedrooms and offices
 Measuring outdoor temperature by routing the sensor cable through a window or opening
 Temperature control in refrigerators and freezers using the waterproof sensor
 Measuring aquarium water temperature where a wired waterproof probe is required
Key specifications
 Temperature unit: degrees Celsius (°C)
 Housing material: plastic
 Placement: wall-mountable or freestanding on flat surfaces
 Display type: digital
 Overall dimensions: 70 × 20 × 110 mm
 Sensor: wired waterproof external probe for ambient or liquid temperature
 Functionality: max-min memory with manual reset
How to use
Place the main unit indoors on a wall or flat surface where the display is easy to read. Route the sensor cable through a window or opening and position the waterproof probe at the desired outdoor location or inside refrigeration units or aquaria for liquid temperature measurement. Power the device according to the included instructions, wait for the reading to stabilize, and use the manual reset to clear max-min values when needed. Avoid exposing the main unit to prolonged direct sunlight or extreme humidity to maintain accuracy and longevity.
Usage recommendations
For accurate outdoor readings, place the probe in a shaded, well-ventilated spot away from radiating surfaces. When measuring refrigerators or freezers, position the probe away from direct contact with cooling elements to reflect typical internal temperatures. Regularly check the sensor cable for damage and reset the max-min memory after significant temperature changes to track new extremes.

## Specifications

| Feature | Value |
|---|---|
| Type | Electronic environment thermometer |
| Weight | 0.09 kg |
| Height | 110 mm |
| Width | 70 mm |
| Depth | 20 mm |
| Product colour | White |
| Purpose | Indoor/outdoor |
| Manual | Yes |
| Batteries included | Yes |
| Housing material | Plastic |
| Temperature measurement range | 50 - 70 |
| Placement | Wall |
| Temperature measurement units | °C |
| Display type | Digital |
| Temperature measurement range | 58 - 158 |

## FAQ

### How much does the tfa dostmann 30.1009 electronic environment thermometer cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 45 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 tfa dostmann 30.1009 electronic environment thermometer?

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/12088865/67625262_large.webp