UNI-T UT300A+ Infrared Thermometers

SKU: 4695814-1-202
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  • Temperature Range: -20°C to 400°C
  • 10:1 Distance-to-Spot Optical Ratio
  • Fast Response: Less Than 500ms
  • Emissivity Fixed at 0.95

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Description

Compact Design Enables Effortless Measurement Anywhere, Anytime

The UNI-T UT300A+ Infrared Thermometer is engineered for professionals and everyday users who value portability, simplicity, and consistent accuracy in temperature measurement. This device, part of the acclaimed UT300 Series from UNI-T, redefines ease of use with its lightweight body and straightforward design, making it easy to carry everywhere—from industrial floor inspections to daily household needs. The streamlined ergonomic form ensures comfortable grip and quick deployment, enabling one-handed operation with minimal effort. Its compact dimensions and feather-light mass mean that the UT300A+ fits effortlessly into any technician’s toolkit, laboratory bench, or home drawer, ready to be used whenever thermal assessment is required. This combination of mobility and ease of access positions the UT300A+ as an indispensable tool for a broad spectrum of users, regardless of their technical background.

Simple Interface Prioritizes User-Friendly One-Button Control

In an era where complexity often hinders productivity, the UNI-T UT300A+ shines with its thoughtful simplicity. The device features intuitive one-button operation: just aim, press, and instantly read the surface temperature. The large, backlit LCD display ensures high visibility in any environment, from brightly lit factories to dimly lit storage rooms. Data hold and auto power-off further streamline workflow, helping users capture readings conveniently and conserve battery life. These features eliminate confusion and speed up the process, enabling both novices and professional engineers to focus entirely on the measurement task. With °C/°F unit selection and a practical low-battery indication, the UT300A+ facilitates seamless, uninterrupted operation for thermal diagnostics, no matter where you are in your daily workflow.

Rapid, Accurate Measurement for Industrial and Home Needs

At the heart of the UT300A+ is its outstanding performance in delivering reliable, precise temperature readings. Equipped with an accuracy rate of ±2.0°C or ±2% (whichever is greater), and repeatability of just 1°C (or 1.0%), the UT300A+ ensures consistent measurement results. The device is designed to measure a wide range of surface temperatures—from -20°C to 400°C (-4°F to 752°F)—making it equally suitable for industrial maintenance, HVAC troubleshooting, kitchen safety checks, or even outdoor vehicle inspections. With its fast response time of less than 500ms, users receive instant feedback, enabling real-time analysis and rapid decision-making. This speedy performance distinguishes the UT300A+ as not just an entry-level device, but a reliable partner for any critical task involving thermal diagnostics.

Designed for Safety in Hard-to-Reach Locations

Measuring the temperature of high-voltage, hard-to-reach, or hazardous surfaces is often fraught with risk, but the UT300A+ dramatically increases safety. With its non-contact infrared technology and a 10:1 distance-to-spot (D:S) optical ratio, users can stand safely back while making accurate measurements—eliminating the need for direct contact. This is especially invaluable when checking running motors, heated pipes, live electrical panels, or rotating machine parts in manufacturing or utilities. The integrated laser pointer allows quick, visual targeting of the precise measurement area, further reducing user error and enhancing both personal safety and measurement accuracy. Whether in a warehouse, production line, or even the kitchen, the UT300A+ brings peace of mind by minimizing user exposure to hazardous surfaces.

Multiple Applications Across Industrial, Domestic, and Scientific Fields

Among its greatest strengths, the UNI-T UT300A+ excels in its sheer versatility. In industrial settings, maintenance technicians use the UT300A+ to monitor overheating machinery, check electrical fuse temperatures, and ensure the safety of conveyor belts. HVAC professionals depend on it for diagnosing airflow efficiency, detecting leaks, or verifying duct temperatures in air conditioning systems. In food safety, chefs and quality inspectors measure surface temperatures of food, ovens, and refrigerators without risk of contamination. Automotive and transportation specialists assess the heat of engines, exhausts, or brakes, making repairs more informed and efficient. Even laboratories utilize the UT300A+ for instant surface checks on chemical containers or scientific equipment where contact is impractical or unsafe. Its applicability doesn’t end there—it also supports home users with quick checks on water heaters, windows, or even troubleshooting electronic appliances, affirming its place as a universal measurement tool.

Robust Structure with Reliability for Daily Performance

Despite its economical positioning, the UNI-T UT300A+ is built to last. The durable construction withstands drops of up to 1 meter, offering reliability in tough working conditions and busy environments. It functions flawlessly through a wide operating temperature range (0°C–50°C) and maintains stored accuracy in a range of storage conditions (-20°C–60°C). The casing, finished in UNI-T’s trademark red-and-grey palette, is both modern and scratch-resistant, ensuring the instrument retains its professional appearance. Powered by two LR03 1.5V batteries, it is optimized for long, continuous operation, reducing the need for frequent replacements. Every detail of the UT300A+ is designed for resilience, making it a preferred choice for users who require a dependable infrared thermometer for continuous use.

The Leading Source: tpt24 for Global Buyers

Selecting the right supplier is just as crucial as choosing the right tool. The UNI-T UT300A+ Infrared Thermometer is best acquired through tpt24, the preeminent global online store specializing in genuine measurement and diagnostic instruments. tpt24’s reputation as the world’s top retailer of UNI-T products comes with an unmatched guarantee of authenticity and product quality. Regardless of your location—be it North America, Europe, Asia, Africa, or Oceania—tpt24 delivers the UT300A+ directly to your door, backed by full warranty support and customer service excellence. Professionals and hobbyists alike can shop with total peace of mind: every UT300A+ shipped from tpt24 is a certified original, supplied in its official packaging, and includes all specified accessories and manuals. tpt24’s global presence, customer-centric ethos, and proven track record make it the number one destination for those demanding the best in measurement technology, everywhere in the world.

Specifications

Specifications UT300A+ UT300S
Temperature range -20℃~400℃ -32°C~400°C
-4℉~752℉ -25.6°F~752°F
Accuracy >0℃: ±2.0℃ or ±2%; ≤0℃: ±(2.0℃+0.1℃/℃) ±2°C or ±2%
>32℉: ±4.0℉ or ±2%; ≤32℉: ±(4.0℉+0.1℉/℉)
Repeatability 1℃ or 1.0% (2℉ or 1.0%) ±0.5°C or ±0.5%
D:S ratio 10:1 12:1
Response time ≤500ms (95% of reading) 500ms
Emissivity 0.95 0.10~1.00 Adjustable
Spectral response 5.5um~14um 8μm~14μm
Laser power < 1mW <1mW
Features
Auto power off 8s 8s
Low battery indication
Data hold
℃/℉ selection
Backlight
Laser
Operating temperature 0℃~50℃ (32℉~122℉)
Storage temperature -20℃~60℃ (-4℉~140℉)
Operating humidity <90% RH (non-condensing)
Drop test 1m
General Characteristics
Power 1.5V battery (LR03) x 2 9V Battery (6F22)
Display 20mm x 24mm 22mm X 22mm
Product color Red and grey
Product net weight 146g 185g
Product size 135mm x 94mm x 36.5mm 153mm X 108mm X40mm
Standard individual packing Blister, English manual
Standard quantity per carton 20pcs 48pcs
Standard carton measurement 430mm x 265mm x 300mm 590×530×360mm (0.11 CBM Per Standard Carton)
Standard carton gross weight 6.97kg 14.8kg

Data Sheet

Download Data Sheet Of: UNI-T UT300A+ Infrared Thermometers