# Uni-T UT333BT Mini Temperature and Humidity Meter with Bluetooth

**URL:** https://aio.lv/en/product--unit-ut333bt--12478425
**Data updated:** 2026-05-22 07:21 (EEST)
**Category:** Measuring tools
**Manufacturer:** Unit
**Manufacturer code:** UT333BT
**EAN:** 6935750533314
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.99 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 22.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ut333bt--12478425

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Uni-T UT333BT is a compact digital temperature and humidity meter designed for precise environmental monitoring. Featuring Bluetooth connectivity, it allows for seamless data transmission to mobile devices. This portable device is ideal for HVAC maintenance, laboratory use, and home climate control, providing accurate readings of ambient temperature and relative humidity in a user-friendly interface.

## Long description

The Uni-T UT333BT Mini Temperature and Humidity Meter is a compact, portable digital instrument engineered for precise environmental monitoring. This device provides reliable measurements of ambient temperature and relative humidity, making it an essential tool for professionals and homeowners alike. With its integrated Bluetooth technology, the meter facilitates seamless data transmission to mobile devices, allowing for efficient logging and analysis through the dedicated application.
Advantages
This meter stands out due to its high sampling rate of one measurement per second, ensuring real-time data capture. The ergonomic and lightweight design allows for easy one-handed operation, while the backlit LCD screen ensures visibility in various lighting conditions. The inclusion of Bluetooth connectivity transforms the device into a smart tool, enabling users to track environmental trends over time without the need for manual record-keeping. Furthermore, the automatic power-off feature and low battery indicator contribute to extended battery life and reliable performance during extended monitoring sessions.
Suitable for
HVAC system maintenance and diagnostics
Monitoring climate conditions in laboratories and storage facilities
Home environment and indoor air quality assessment
Greenhouse and agricultural climate tracking
When it may not be suitable
This device is designed for general environmental monitoring and is not intended for use in extreme industrial environments, high-pressure systems, or corrosive atmospheres. It should not be used for critical safety applications where certified industrial-grade instrumentation is required.
Key specifications
Temperature measurement range: -10°C to 60°C
Humidity measurement range: 0% to 100% RH
Temperature accuracy: ±1.0°C
Humidity accuracy: ±5% RH
Sampling rate: 1 measurement per second
Connectivity: Bluetooth for mobile app integration
Display: 32 mm x 26 mm LCD with backlight
Power supply: 3 x 1.5V AAA batteries
Dimensions: 155 x 50 x 28 mm
Weight: 102 g
How to use
To begin using the device, insert the provided batteries into the compartment. Power on the unit using the dedicated button. The meter will immediately begin displaying current temperature and humidity readings. Use the function buttons to toggle between Celsius and Fahrenheit, or to hold the current data on the screen. To utilize the Bluetooth feature, ensure the mobile application is installed on your smartphone, enable Bluetooth, and pair the device according to the app instructions. The MAX/MIN function can be activated to track the highest and lowest values recorded during a session.
What to consider before purchase
Ensure your mobile device is compatible with the required application for Bluetooth data logging.
Verify that the measurement range meets your specific environmental requirements.
Consider the need for periodic calibration if using the device for professional compliance.
Usage recommendations: For the most accurate results, allow the sensor to stabilize in the environment for several minutes before recording data. Avoid placing the device in direct sunlight or near heat sources that could interfere with ambient readings.

## FAQ

### How much does the Uni-T UT333BT Mini Temperature and Humidity Meter cost, and is it available for purchase?

The price is 26.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 76 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 02.07.2026 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 Unit 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 Unit 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

## Image

https://aio.lv/img/cache/product/12478425/68799346_large.webp