# Temperature & humidity sensor TFA-Dostmann 31.1052

**URL:** https://aio.lv/en/product--dostmann-electronic-5005-0002--1969727
**Data updated:** 2026-01-06 11:07 (EET)
**Category:** Smart Sensors
**Manufacturer:** dostmann electronic
**Manufacturer code:** 5005-0002
**EAN:** 4009816024961
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 156.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 129.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dostmann-electronic-5005-0002--1969727

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.99 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The TFA-Dostmann 31.1052 is a freestanding indoor temperature and humidity sensor. It measures temperature and humidity levels accurately, ensuring a comfortable environment. With dimensions of 60 mm width, 21 mm depth, and 89 mm height, it is compact and easy to place anywhere in your home or office. Wireless functionality allows for flexible placement without the hassle of cords.

## Long description

The LOG20 temperature & humidity sensor from dostmann electronic (TFA-Dostmann 31.1052) accurately monitors and records ambient temperature and relative humidity. It stores measured climate values over long periods, making it suitable for transport monitoring, cold stores, server rooms or for documenting prescribed test protocols. Recorded data can also help identify causes of dampness or mould in living spaces. The compact freestanding unit measures 60 × 21 × 89 mm and operates wirelessly for flexible placement.
Advantages
The logger records up to 20,000 measurements for two measured quantities with a freely adjustable storage interval from 30 seconds to 24 hours. Data can be read out and the device programmed via USB. The unit includes maximum, minimum and average (AVG) functions and issues a visual alarm when user-defined limit values are exceeded or undershot. The device is entirely made in Germany.
Suitable for
Transport monitoring of sensitive goods
Temperature and humidity control in cold stores
Environmental monitoring in server rooms
Building inspections to detect damp or mould risk
Recording data for test protocols and indoor climate documentation
Key specifications
Measured quantities: temperature and relative humidity (2 channels)
Memory capacity: up to 20,000 measured values
Storage interval: adjustable from 30 s to 24 h
Functions: max, min, AVG, visual alarm for limit violations
Interface: USB (readout and programming via DE-GRAPH software)
Dimensions: 60 × 21 × 89 mm
Made in Germany
How to use
Place the freestanding LOG20 unit in the monitored location and set the desired storage interval. If required, connect the logger to a PC via USB to program settings and download recorded data using the DE-GRAPH software (software and USB cable available separately or as a set with the logger). Use the device display to view current, maximum, minimum and average values and to check visual alarms for limit breaches.
Usage recommendations
For reliable long-term climate records, position the unit away from direct heat sources, radiators and windows. Regularly download and back up recorded data and verify alarm thresholds before starting a monitoring period.

## Specifications

| Feature | Value |
|---|---|
| Display | LCD |
| Material | Plastic |
| Sensor type | Temperature & humidity sensor |
| Purpose | Indoor |
| Accuracy | 0.5 °C |
| Accuracy | 3 % |
| Temperature measurement units | °C, F |
| Temperature measuring range | -30 - 60 |
| Humidity measuring range | 0 - 99 |

### Features

| Feature | Value |
|---|---|
| Type | Freestanding |
| Connectivity technology | Wireless |
| Built-in display | Yes |

### Power

| Feature | Value |
|---|---|
| Number of batteries supported | 1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.057 kg |
| Height | 89 mm |
| Width | 60 mm |
| Depth | 21 mm |

## FAQ

### How much does the Temperature & humidity sensor TFA-Dostmann 31.1052 cost, and is it available for purchase?

The price is 156.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 17.07.2026 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 dostmann electronic 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 dostmann electronic 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: connectivity technology, type, 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/1969727/64193926_large.webp