# Indoor electronic hygrometer TFA 30.5038 — square display, battery-powered AA, 94×94×37 mm

**URL:** https://aio.lv/en/product--tfa-30011249--10825823
**Data updated:** 2026-03-07 18:06 (EET)
**Category:** Weather Station
**Manufacturer:** TFA
**Manufacturer code:** 30.011249
**EAN:** 4009816028075
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-30011249--10825823

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

TFA 30.5038 is an indoor electronic hygrometer with a square display and battery power. It measures relative humidity for home or office use and runs on a single 1.5 V AA battery. The compact housing measures 94 × 94 × 37 mm, providing a portable, wall- or tabletop-capable humidity monitor suitable for monitoring climate in living rooms, bedrooms, and workspaces.

## Long description

TFA 30.5038 is an indoor electronic hygrometer with a square display designed for monitoring relative humidity in homes and offices. The device is battery powered by a single 1.5 V AA cell and housed in a compact enclosure measuring 94 × 94 × 37 mm. It provides continuous humidity readouts suitable for wall mounting or tabletop placement and helps maintain comfortable indoor air quality for living rooms, bedrooms and workspaces.
Advantages
The hygrometer offers a clear square display and simple battery operation, enabling flexible placement without the need for mains power. Its compact dimensions make it unobtrusive on tables or walls. By giving reliable relative humidity readings, the device supports climate control decisions such as ventilation and heating adjustments to reduce risks associated with excess moisture or overly dry air.
Suitable for
 Monitoring humidity in living rooms and bedrooms
 Climate checks in home offices and workspaces
 Protecting wooden furniture, instruments and houseplants from extreme humidity
 Placement on a tabletop or fixed to a wall
Key specifications
 Measurement: relative humidity (indoor)
 Power supply: 1.5 V AA battery (single cell)
 Housing dimensions: 94 × 94 × 37 mm
 Display type: square digital display
 Mounting: tabletop placement or wall mounting
How to use
Insert a fresh 1.5 V AA battery into the battery compartment and place the hygrometer on a flat surface or hang it on a wall at a representative indoor location away from direct heat sources or drafts. Allow the sensor time to stabilise after placement for an accurate reading. Read the relative humidity value from the square display to assess indoor climate and make adjustments to ventilation or heating as required.
Usage recommendations
For best results, position the hygrometer at breathing height in frequently used rooms and avoid placing it near windows, direct sunlight, heaters or humidifiers. Regularly check and replace the AA battery to ensure continuous operation and recalibrate placement after major changes to room layout or heating and ventilation routines.

## Specifications

| Feature | Value |
|---|---|
| Type | Electronic hygrometer |
| Number of batteries supported | 1 |
| Purpose | Indoor |
| Temperature measurement range | 0 - 50 |
| Placement | Table |
| Display form factor | Square |
| Humidity measuring range | 20 - 90 |

### Power

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

### Packaging content

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.095 kg |
| Height | 94 mm |
| Width | 94 mm |
| Depth | 37 mm |

### Features

| Feature | Value |
|---|---|
| Product colour | Black |
| Housing material | Plastic |
| Temperature measurement units | °C, F |

## FAQ

### How much does the TFA 30.5038 indoor electronic hygrometer cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 160 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 29.06.2026 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 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 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.

## Image

https://aio.lv/img/cache/product/10825823/60146433_large.webp