# UNI-T UT309C Professional Infrared Thermometer -32°C to 650°C

**URL:** https://aio.lv/en/product--unit-ut309c--12538844
**Data updated:** 2026-06-27 08:59 (EEST)
**Category:** Other goods
**Manufacturer:** Unit
**Manufacturer code:** UT309C
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 97.65 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 80.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ut309c--12538844

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The UNI-T UT309C is a professional-grade infrared thermometer designed for precise non-contact temperature measurements. With a wide range from -32°C to 650°C, it is suitable for industrial, maintenance, and diagnostic applications. This durable device features high accuracy, fast response times, and an ergonomic design for reliable performance in demanding environments.

## Long description

The UNI-T UT309C is a professional-grade infrared thermometer engineered for precise non-contact temperature measurement by detecting infrared energy radiated from a target surface. This robust device is built to withstand harsh industrial conditions, featuring an IP65 dust and water resistance rating and a 3-meter drop-proof design. With a rapid response time of 250ms and dual laser targeting, it provides reliable and efficient data for engineers and maintenance professionals.
Advantages
This thermometer offers exceptional durability and performance in demanding environments. Its high-precision sensors ensure accurate readings across a wide temperature range, while the adjustable emissivity allows for versatility when measuring different types of materials. The inclusion of dual lasers improves targeting accuracy, and the device is equipped with advanced features such as MAX, MIN, AVG, and DIF modes to assist in comprehensive thermal analysis. The large, backlit LED display ensures clear visibility in low-light conditions, and the high/low temperature alarms provide immediate visual feedback for safety and process control.
Suitable for
Electrical distribution system inspections
HVAC system maintenance and diagnostics
Transportation equipment monitoring
Industrial machinery and instrument repair
General surface temperature monitoring in manufacturing
This device may not be suitable for measuring the internal temperature of objects, as it is strictly designed for surface temperature detection. It is also not intended for medical use or for measuring body temperature.
Key specifications
Temperature range: -35°C to 650°C
Distance-to-spot ratio: 12:1
Response time: 250ms
Emissivity: Adjustable from 0.1 to 1.0
Dual laser targeting system
IP65 protection rating
3-meter drop resistance
Power source: 9V battery
To use the thermometer, point the device toward the target surface and pull the trigger to initiate the measurement. The dual lasers will help you define the measurement area. The device will display the temperature on the screen instantly. You can toggle between Celsius and Fahrenheit, adjust emissivity settings for specific materials, or use the lock measurement feature for continuous monitoring during long-term inspections.
What to consider before purchase
Verify that the 12:1 distance-to-spot ratio is sufficient for your specific measurement distance.
Ensure the adjustable emissivity range meets the requirements of the materials you intend to measure.
Confirm that the temperature range of -35°C to 650°C covers your operational needs.
For the most accurate results, ensure the target surface is clean and free of obstructions. When measuring reflective surfaces, adjust the emissivity setting accordingly to compensate for surface properties.

## FAQ

### How much does the UNI-T UT309C Professional Infrared Thermometer cost, and is it available for purchase?

The price is 97.65 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 Thursday 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, Installment. All transactions are 100% secure and encrypted.

### Can UNI-T UT309C Professional Infrared Thermometer be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/12538844/68904070_large.webp