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header-product TFA-Dostmann 30.3139 Electronic Environment Thermometer Indoor Grey Wireless Battery Powered
30.99 €

TFA-Dostmann 30.3139 Electronic Environment Thermometer Indoor Grey Wireless Battery Powered

TFA-Dostmann 30.3139 Indoor Electronic Thermometer Grey Photo 1
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TFA-Dostmann 30.3139 Electronic Environment Thermometer Indoor Grey Wireless Battery Powered

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Short description

TFA-Dostmann 30.3139 electronic wireless indoor environment thermometer in grey. Features temperature measurement in Fahrenheit and Celsius, powered by AAA 1.5V batteries. Dimensions: width 61 mm, depth 30 mm, height 96 mm, weight 85 g. Designed for precise indoor temperature monitoring.
Available for order: 18 pcs.
Warranty: 2 Years
SKU: 11029481
Manufacturer: tfa dostmann
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
03.12.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
08.12.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.10 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
08.12.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
Bank transfer
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Product information

Description

The TFA-Dostmann 30.3139 electronic environment thermometer is a reliable wireless device designed for indoor temperature monitoring. Featuring a compact grey housing, this digital thermometer allows you to keep track of indoor climate conditions efficiently and accurately. It supports both Fahrenheit and Celsius temperature measurement units, ensuring flexible reading preferences for any user. Powered by standard AAA batteries, the unit is entirely wireless, allowing for convenient placement on a table or mounting on a wall without the hassle of cables.

Advantages

This electronic environment thermometer offers the convenience of wireless operation, enabling flexible placement in various indoor spaces. Its clear digital display provides quick and easy-to-read temperature values. The compact and lightweight design ensures it blends seamlessly into any room decor while occupying minimal space. Being battery-operated, it functions independently of wall sockets, making relocation simple and practical whenever needed.

Suitable for

  • Monitoring indoor temperature in living rooms, bedrooms, and offices
  • Tracking climate conditions in remote indoor areas
  • Tabletop or wall-mounted placement in residential and commercial spaces

When it may not be suitable

This device is not designed for direct outdoor exposure without weather protection, as it is primarily configured for indoor use. It does not include advanced weather station features such as humidity tracking, air pressure measurement, or weather forecasting.

Key specifications

  • Electronic environment thermometer
  • Indoor use
  • Wireless transmission
  • Digital display
  • Temperature measurement units in Fahrenheit and Celsius
  • Temperature measurement range from -30 to 60 °C
  • Plastic housing material
  • Table and wall placement options
  • Battery-powered using AAA 1.5V batteries
  • Width: 61 mm
  • Depth: 30 mm
  • Height: 96 mm
  • Weight: 85 g
  • Colour: Grey

How to use

To begin using the TFA-Dostmann 30.3139 thermometer, insert the required AAA batteries into the battery compartment according to the polarity markings. Once powered on, the digital display will activate and begin measuring the ambient temperature. Place the unit on a flat surface using its stand or mount it securely to a wall in the desired indoor location. Ensure the device is positioned away from direct sunlight, heating vents, or drafts to maintain measurement accuracy.

What to consider before purchase

  • Verify that the temperature measurement range meets your specific monitoring requirements
  • Check that you have compatible AAA 1.5V batteries available for operation
  • Confirm that the intended installation location is suitable for an indoor wireless thermometer

For optimal performance and accurate temperature readings, place the thermometer away from direct heat sources, air conditioners, and moisture, and replace the batteries promptly when the power level is low.

Specifications

Power source: What is providing power for the product e.g. mains electricity.
Battery
Product colour: The colour e.g. red, blue, green, black, white.
Grey
All features
Type: Characteristics of the device.
Electronic environment thermometer
Purpose: What the product is used for.
Indoor
Temperature measurement range: The minimum and maximum temperatures that can be measured.
-30 - 60
Placement: Where the product can be placed e.g. floor, wall.
Table, Wall
Temperature measurement range:
-22 - 140
Display form factor:
Square

Technical details

Number of batteries supported: The number of batteries that can be used with the product.
2

Packaging content

Batteries included:
Yes

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.063 kg
Height: The measurement of the product from head to foot or from base to top.
96 mm
Depth: The distance from the front to the back of something.
30 mm
Width: The measurement or extent of something from side to side.
61 mm

Power

Battery type: Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
AAA
Battery voltage: The voltage (V) of the battery.
1.5 V
Power source: What is providing power for the product e.g. mains electricity.
Battery

Display

Display type: Type of display (screen) e.g. LCD.
Digital

Features

Temperature measurement units: The units of themperature which device supports.
°C, F
Housing material: What the casing of the product is made of.
Plastic
Product colour: The colour e.g. red, blue, green, black, white.
Grey

Description

Machine translation.

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Customer reviews

Customer questions

FAQ

How much does the TFA-Dostmann 30.3139 Indoor Electronic Thermometer Grey cost, and is it available for purchase?

The price is 30.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 03.12.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: power source, 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.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.