# Mini Temperature and Humidity Meter Unit UT333 — portable thermo-hygrometer for temperature and relative humidity measurement

**URL:** https://aio.lv/en/product--unit-ut333--4577407
**Data updated:** 2026-02-12 14:10 (EET)
**Category:** Measuring tools
**Manufacturer:** Unit
**Manufacturer code:** UT333
**EAN:** 6935750533307
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ut333--4577407

## 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

Unit Mini Temperature and Humidity Meter UT333 is a compact portable thermo-hygrometer designed to measure air temperature and relative humidity. It provides quick on-site readings for indoor climate monitoring, HVAC checks, storage conditions and hobbyist use. Small size makes it convenient for carrying, spot checks, and monitoring living spaces, offices or equipment environments.

## Long description

Unit Mini Temperature and Humidity Meter UT333 is a compact portable thermo-hygrometer designed to measure air temperature and relative humidity quickly and conveniently. The device provides on-site readings suitable for basic indoor climate monitoring, HVAC verification, storage checks and hobbyist applications. Its small footprint and lightweight design make it easy to carry for spot checks in living spaces, offices, greenhouses or equipment enclosures.
Advantages
The UT333 delivers fast, direct measurements of temperature and relative humidity with a clear digital display and simple controls. Its portable design allows effortless spot readings without the need for complex setup. The meter combines practicality and straightforward operation, making it useful for routine checks and quick diagnostics of environmental conditions.
Suitable for
 Indoor climate monitoring in homes and offices
 HVAC system checks and basic troubleshooting
 Monitoring storage conditions for sensitive items
 Greenhouse and plant care hobbyist use
 Spot checks of equipment rooms and electronic enclosures
Key specifications
 Measured parameters: air temperature and relative humidity
 Portable handheld form factor with compact dimensions
 Digital display for numeric temperature and humidity readouts
 Battery-powered operation for field use
 Simple single-handed operation with basic control buttons
How to use
Switch the meter on and allow the sensor to stabilize for a short period in the measurement location. Hold the device at breathing height or at the specific point of interest and wait for the displayed values to settle. For repeated spot checks, move the meter between locations and allow a short stabilization time after each relocation. Turn the device off when finished to preserve battery life.
Usage recommendations
For accurate readings, avoid placing the meter in direct sunlight, close to heating vents, or immediately adjacent to heat-generating equipment. Allow the sensor to acclimate to the measurement environment for several minutes before recording values. Store the meter in a dry, moderate-temperature environment when not in use and replace batteries according to the manufacturer's guidance.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.2 kg |

## FAQ

### How much does the Mini Temperature and Humidity Meter Unit UT333 cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 83 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 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/4577407/51277367_large.webp