UNI-T UT303C+ Infrared Thermometer

The UNI-T UT303C+ Infrared Thermometer is a high-precision, industrial-grade non-contact temperature measurement device engineered for professionals who demand speed, accuracy, and safety when analyzing surface temperatures. Designed for HVAC technicians, electrical engineers, automotive specialists, mechanical inspectors, industrial maintenance teams, and laboratory professionals, the UT303C+ delivers reliable and stable performance even in challenging environments.

With its advanced long-distance infrared sensor and enhanced signal-processing algorithms, the UNI-T UT303C+ Infrared Thermometer provides rapid, repeatable temperature measurements without the need for physical contact—ideal for monitoring hot surfaces, moving machinery, electrical panels, motors, heating systems, automotive components, and industrial equipment. A multi-laser targeting system ensures precise aiming and accurate identification of the measurement area, reducing errors and improving workflow efficiency.

The UT303C+ includes a variety of professional functions: MAX/MIN reading capture, adjustable emissivity for compatibility with different materials, high/low temperature alarms, data hold, °C/°F unit switching, and automatic power-off. Its ergonomic industrial design, shock-resistant casing, and large backlit LCD display make it suitable for use in low-light environments and demanding field conditions.

Widely used across manufacturing facilities, maintenance departments, automotive workshops, HVAC service teams, and research labs, the UT303C+ stands out as a versatile and dependable infrared thermometer for both routine and advanced temperature diagnostics.

Key Features

• High-precision non-contact infrared temperature measurement

• Wide temperature range suitable for industrial applications

• Multi-laser targeting system for precise long-distance aiming

• Adjustable emissivity for accurate readings on various materials

• MAX/MIN capture and high/low temperature alarms

• °C/°F switching with fast response time

• Large backlit LCD display

• Rugged, ergonomic, shock-resistant industrial design

• Ideal for HVAC, automotive diagnostics, electrical inspections & industrial maintenance

Technical Datasheet

Temperature Range

• –50°C to 1550°C (model-dependent)

Accuracy

• ±1.5% or ±1.5°C (typical)

Optical Resolution

• 40:1 distance-to-spot ratio

Response Time

• < 250 ms

Laser Targeting

• Class II multi-laser for accurate aiming

Emissivity

• Adjustable: 0.10 – 1.00

Display

• Backlit LCD

• MAX/MIN

• Data hold

• High/low alarms

• °C / °F switching

Power

• 9V battery

• Auto power-off

• Low-battery indicator

Environmental Conditions

• Operating temperature: 0°C to 50°C

• Humidity: < 85% RH

Build

• Rugged industrial ABS housing

• Ergonomic anti-slip grip

• Shock-resistant casing