# Indoor Electronic Hygrometer TFA-Dostmann 30.5000.02 Digital Rectangular

**URL:** https://aio.lv/en/product--tfa-dostmann-30500002--11445101
**Data updated:** 2026-01-06 11:19 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** tfa dostmann
**Manufacturer code:** 30.5000.02
**EAN:** 4009816005526
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 26.85 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-30500002--11445101

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The TFA-Dostmann 30.5000.02 is an indoor electronic hygrometer featuring a digital rectangular display. It operates on AAA batteries and measures 70mm in width, 70mm in depth, and 110mm in height. This device provides accurate humidity readings, making it ideal for monitoring indoor air quality.

## Long description

The TFA-Dostmann 30.5000.02 Indoor Electronic Hygrometer is a compact digital instrument for monitoring indoor temperature and relative humidity. Its rectangular display clearly shows current values, while memory for highest and lowest readings helps track climate changes over time. Powered by AAA batteries, the device is suitable for homes where maintaining comfortable and healthy indoor air is important for people, pets, plants and sensitive materials such as wooden floors and antique furniture.
Advantages
This electronic hygrometer provides precise humidity and temperature measurements in a compact rectangular housing. The display stores and recalls maximum and minimum values at the push of a button, allowing easy monitoring of climate trends. Battery operation (AAA) ensures flexible placement in different rooms without the need for mains power. The instrument supports targeted heating and ventilation decisions to protect health and household items while helping to optimise heating costs.
Suitable for
Living rooms, bedrooms and nurseries
Basements and storage rooms where mould risk must be controlled
Rooms with wooden floors or antique furniture
Indoor plant areas and pet housing
Key specifications
Brand: tfa dostmann
Model / MPN: 30.5000.02
EAN: 4009816005526
Type: Indoor electronic hygrometer with digital rectangular display
Power supply: AAA batteries
Dimensions (W × D × H): 70 × 70 × 110 mm
How to use
Place the hygrometer on a stable surface or mounting point at typical indoor height away from direct heat sources, windows and doors to obtain representative measurements. Insert AAA batteries and switch on the device. Read the current temperature and relative humidity on the digital display and use the max/min button to view stored highest and lowest values. Adjust heating or ventilation based on measurements to maintain a comfortable and healthy indoor climate.
Usage recommendations
For reliable monitoring, position the device at least 1.5 m above the floor and avoid direct sunlight or close proximity to radiators. Check and replace batteries as needed to ensure continuous operation, and use the max/min memory to identify prolonged periods of high or low humidity that may require corrective action.

## Specifications

| Feature | Value |
|---|---|
| Type | Electronic hygrometer |
| Weight | 0.073 kg |
| Battery type | AAA |
| Number of batteries supported | 1 |
| Power source | Battery |
| Height | 110 mm |
| Width | 70 mm |
| Depth | 70 mm |
| Product colour | White |
| Purpose | Indoor |
| Battery voltage | 1.5 V |
| Housing material | Plastic |
| Temperature measurement range | -10 - 60 |
| Thermometer | Yes |
| Placement | Wall |
| Temperature measurement units | F, °C |
| Display type | Digital |
| Temperature measurement range | 14 - 140 |
| Display form factor | Rectangular |
| Humidity measuring range | 10 - 99 |

## FAQ

### How much does the Indoor Electronic Hygrometer TFA-Dostmann 30.5000.02 cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 27.07.2026 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 Indoor Electronic Hygrometer TFA-Dostmann 30.5000.02?

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/11445101/66154521_large.webp