# Hygrometer Psychrometer TFA-Dostmann 30.5051.02

**URL:** https://aio.lv/en/product--tfa-dostmann-30505102--3954841
**Data updated:** 2025-12-29 13:55 (EET)
**Category:** Weather Station
**Manufacturer:** tfa dostmann
**Manufacturer code:** 30.5051.02
**EAN:** 4009816034601
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-dostmann-30505102--3954841

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The TFA-Dostmann 30.5051.02 is a digital indoor hygrometer/psychrometer with a square display. It operates on AA batteries (1.5V) and measures 61mm in width and height, with a depth of 24mm. This device accurately monitors humidity levels, helping you maintain a comfortable indoor environment.

## Long description

The TFA-Dostmann 30.5051.02 digital thermo-hygrometer is a compact indoor instrument for monitoring room temperature and relative humidity. Its square display presents measurements clearly, and the device runs on a single AA (1.5 V) battery. The simple white housing and small footprint make it suitable for placement on shelves or attachment to various surfaces using the included magnetic holder or adhesive pad.
Advantages
This thermo-hygrometer provides reliable humidity and temperature readings in a compact form factor, enabling targeted heating and ventilation to maintain a healthy indoor climate and potentially reduce heating costs. The instrument is lightweight, battery-powered for flexible placement, and includes mounting options (magnetic holder and adhesive pad) for easy installation on different surfaces.
Suitable for
Monitoring temperature and humidity in living rooms and bedrooms
Placing in home offices and study areas
Keeping track of indoor climate in nurseries and storage rooms
Key specifications
Brand: tfa dostmann
Model / MPN: 30.5051.02
EAN: 4009816034601
Power supply: 1 × AA (1.5 V) battery
Dimensions (W×H×D): 61 × 61 × 24 mm
Weight: 0.044 kg
Temperature units: °C
Colour: White
How to use
Insert a fresh AA (1.5 V) battery into the battery compartment, place the thermo-hygrometer at the desired indoor location and allow a few minutes for the sensor to stabilise. Use the magnetic holder as a stand or attach the device to a suitable surface with the supplied adhesive pad. Read temperature and relative humidity directly from the square display and adjust heating or ventilation as needed to maintain comfortable indoor conditions.
Usage recommendations
Position the device away from direct sunlight, radiators, windows and doors to avoid distorted readings. Replace the battery when display dimming or irregular measurements occur. Regularly check mounting to ensure stable placement.

## Specifications

| Feature | Value |
|---|---|
| Type | Electronic hygrometer |
| Number of batteries supported | 1 |
| Purpose | Indoor |
| Temperature measurement range | -10 - 50 |
| Placement | Table, Wall |
| Display form factor | Square |
| Humidity measuring range | 10 - 99 |
| Relative humidity accuracy | 5 % |

### Power

| Feature | Value |
|---|---|
| Battery type | AA |
| Power source | Battery |
| Battery voltage | 1.5 V |

### Display

| Feature | Value |
|---|---|
| Display type | Digital |

### Packaging content

| Feature | Value |
|---|---|
| Batteries included | No |

### Other features

| Feature | Value |
|---|---|
| Thermometer | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.044 kg |
| Height | 61 mm |
| Width | 61 mm |
| Depth | 24 mm |

### Features

| Feature | Value |
|---|---|
| Product colour | White |
| Housing material | Plastic |
| Temperature measurement units | °C |
| Temperature accuracy | 1 °C |

## FAQ

### How much does the Hygrometer TFA-Dostmann 30.5051.02 cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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 03.07.2026 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: 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 Hygrometer TFA-Dostmann 30.5051.02?

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/3954841/65633894_large.webp