# Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement

**URL:** https://aio.lv/en/product--unit-lec-mie0365--11052947
**Data updated:** 2026-04-26 18:25 (EEST)
**Category:** Other goods
**Manufacturer:** Unit
**Manufacturer code:** LEC-MIE0365
**EAN:** 5901890044943
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-lec-mie0365--11052947

## 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 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Handheld temperature and humidity meter Unit UT333S for monitoring ambient conditions. Provides measurements of air temperature and relative humidity with digital readout, suitable for HVAC checks, indoor climate control, storage monitoring and basic environmental diagnostics. Portable design for spot checks and routine inspections.

## Long description

The Unit UT333S is a handheld thermo-hygrometer designed for measuring air temperature and relative humidity. This compact instrument provides a clear digital readout of ambient conditions, allowing technicians, facility managers and homeowners to perform spot checks and routine inspections of indoor climate. The portable design and simple interface make the meter suitable for quick assessments in HVAC maintenance, storage monitoring and basic environmental diagnostics.
Advantages
The UT333S offers straightforward temperature and humidity measurement with a readable digital display and a compact handheld form factor. Its simple operation and portability enable quick spot measurements without the need for setup or additional accessories. The meter is suitable for use in confined spaces and around equipment due to its lightweight construction and easy-to-hold casing.
Suitable for
HVAC checks and basic troubleshooting
Indoor climate control and comfort monitoring
Storage areas where humidity and temperature affect goods
Routine inspections and spot measurements in offices and homes
When it may not be suitable
The UT333S is intended for basic ambient temperature and relative humidity readings and does not include advanced features such as data logging, wireless connectivity or specialized probes for surface or deep air sampling. For applications requiring continuous monitoring, high-precision laboratory calibration, or integration with building automation systems, a more advanced instrument would be more appropriate.
Key specifications
Measurement parameters: air temperature and relative humidity
Display: digital readout for numeric values
Form factor: handheld, portable design
Typical applications: HVAC checks, indoor climate and storage monitoring
How to use
Switch the unit on and allow the sensor to acclimate to the measurement environment for a short period. Hold the meter in the ambient air away from direct heat sources or airflow obstructions to obtain stable readings. Read the displayed temperature and relative humidity values directly from the screen. For multiple spot checks, allow the sensor to stabilise between locations to ensure consistent measurements.
What to consider before purchase
Confirm that you only need basic ambient temperature and relative humidity measurements rather than data logging or networked monitoring.
Check required measurement ranges and accuracy for your use case; this unit is intended for routine spot checks.
Consider whether additional probes or higher-precision instruments are necessary for specialised tasks.
Usage recommendations
To improve measurement consistency, keep the meter away from direct sunlight, heating vents and open windows during readings, and allow a short stabilization time after moving between different environments.

## FAQ

### How much does the Unit UT333S Temperature and Humidity Meter cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 51 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, 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/11052947/68548381_large.webp