UNI-T UT305A+ Professional Infrared Thermometer: Advanced Non-Contact Temperature Measurement

Overview

The UNI-T UT305A+ is a high-precision, professional-grade infrared thermometer engineered for versatile temperature measurement across diverse industrial applications. With its exceptional 55:1 distance-to-spot ratio, wide temperature range of -50°C to 1350°C (-58°F to 2462°F), and comprehensive measurement capabilities, the UT305A+ delivers superior performance for maintenance professionals, HVAC technicians, electrical inspectors, and facility managers who demand reliable, accurate temperature readings.

Key Features

• Superior Optical Resolution: 55:1 distance-to-spot ratio for precise measurements from safe distances
• Wide Temperature Range: Measure from -50°C to 1350°C (-58°F to 2462°F) with high accuracy
• Adjustable Emissivity: Customizable from 0.10 to 1.00 for accurate readings on various materials
• Multiple Measurement Modes: °C/°F selection, MAX/MIN/AVG/DIF functions for comprehensive analysis
• Real-time and Date Display: Timestamps measurements for thorough documentation
• Infrared Professional Mode: Specialized settings for advanced thermal analysis
• Surface Heat Conduction Detection: Identify thermal bridges and insulation issues
• Surface Dew Point Detection: Critical for building envelope and HVAC analysis
• Surface Temperature Comparison: Quickly identify temperature variations
• Trigger Lock Function: Enables continuous measurement for extended monitoring
• Data Management: 99 groups of data storage with PDF and CSV export support
• Ambient Monitoring: Displays ambient temperature, relative humidity, and dew point
• Type K Thermocouple Support: Additional contact measurement capability for verification

UNI-T UT305A+ Details

Advanced Optical System

The UNI-T UT305A+ features an exceptional 55:1 distance-to-spot ratio that allows you to measure smaller targets from greater distances with precision. This high-resolution optical system means you can accurately measure a 1-inch spot from over 4.5 feet away, enabling safe measurement of hot, hazardous, or hard-to-reach surfaces while maintaining measurement accuracy.

The precision optics combined with the single-laser targeting system creates a reliable measurement tool that delivers consistent results across various industrial and commercial applications. This optical performance outclasses standard infrared thermometers, providing professionals with laboratory-grade accuracy in field conditions.

Versatile Temperature Measurement

With its wide measurement range from -50°C to 1350°C (-58°F to 2462°F), the UT305A+ handles nearly any temperature measurement task from freezer verification to industrial heating applications. The thermometer delivers ±1.0% accuracy across its range, ensuring reliable readings for critical processes.

The adjustable emissivity settings (0.1-1.0) allow you to calibrate the device for different material surfaces, from highly reflective metals to matte-finished components. This versatility ensures accurate measurements regardless of the surface characteristics, making the UT305A+ adaptable to diverse measurement scenarios.

Comprehensive Environmental Analysis

Beyond simple temperature readings, the UNI-T UT305A+ offers complete environmental analysis capabilities including:

• Relative Humidity Measurement: Monitor ambient humidity conditions from 10%RH to 90%RH
• Dew Point Calculation: Automatically determine the temperature at which condensation forms
• Ambient Temperature Monitoring: Track surrounding conditions during measurements
• Wet Bulb Temperature: Essential data for HVAC applications and comfort analysis

These integrated environmental measurements make the UT305A+ an ideal tool for building diagnostics, HVAC commissioning, and environmental quality assessment.

Professional Data Management

The UT305A+ offers robust data management functionality with:

• 99 Data Storage Locations: Save measurements for later analysis and documentation
• USB Connectivity: Transfer data to computers for detailed reporting
• PDF/CSV Export Support: Generate professional documentation for clients and compliance
• Real-Time Clock: Timestamp all measurements for comprehensive record-keeping

This data management capability transforms the thermometer from a simple measurement tool into a complete documentation system for professional technicians.

Professional Applications

HVAC Systems

The UNI-T UT305A+ enables technicians to quickly diagnose heating and cooling system performance by measuring supply and return temperatures, identifying duct leakage points, assessing compressor operation, and verifying proper refrigerant levels through pipe surface temperatures. Its dew point calculation capabilities are invaluable for preventing condensation issues in ventilation systems.

Electrical Inspection

Electrical professionals rely on the UT305A+ to identify overheating connections, verify circuit loads, and detect potential failure points in electrical panels and equipment. The high distance-to-spot ratio allows for safe measurement of energized equipment from appropriate distances, while the multiple measurement modes help identify anomalies against baseline temperatures.

Building Envelope Analysis

Building inspectors and energy auditors use the UT305A+ to locate thermal bridges, identify insulation gaps, detect moisture intrusion, and assess window/door performance. The surface temperature comparison mode quickly highlights problem areas, while the dew point detection helps prevent potential condensation and mold issues within building structures.

Industrial Maintenance

Maintenance engineers depend on the UT305A+ for bearing temperature monitoring, motor performance assessment, steam trap testing, belt alignment verification, and preventive maintenance programs. The trigger lock function enables hands-free continuous monitoring, while the data storage capabilities support comprehensive maintenance documentation.

Technical Specifications

UNI-T UT305 Series Model Comparison

When selecting the ideal UNI-T infrared thermometer for your applications, understanding the differences between available models is crucial. The UNI-T UT305 series includes multiple professional-grade options to meet diverse needs:

When to Choose the UT305A+

The UT305A+ is the ideal choice when:

• Your temperature measurement needs typically fall below 1350°C
• You require a versatile tool for diverse industrial applications including HVAC, electrical, and building diagnostics
• Standard data storage capacity meets your documentation needs
• You're seeking a cost-effective professional measurement solution with excellent value

When to Consider the UT305C+

The UT305C+ may be more appropriate when:

• Your applications routinely involve temperatures exceeding 1350°C
• You work in metallurgy, glass production, or ceramic manufacturing
• You need enhanced visualization capabilities with the TFT display
• Your documentation requirements demand extensive data storage

Both models feature the same exceptional optical system, adjustable emissivity, and core measurement technology that have made UNI-T infrared thermometers the trusted choice for professionals worldwide.

Package Contents

• UNI-T UT305A+ Infrared Thermometer
• 9V Battery
• USB Cable
• Professional Carrying Case
• User Manual
• Quick Start Guide
• Calibration Certificate
• Wrist Strap

Customer Testimonials

"As an HVAC contractor, the UT305A+ has become my go-to diagnostic tool. The ability to quickly measure temperatures across an entire system while simultaneously monitoring ambient conditions has streamlined my troubleshooting process significantly. The dew point calculation feature alone has helped me prevent several potential condensation issues for my clients." - Robert M., HVAC Systems Specialist

"I'm impressed with the UT305A+'s versatility for electrical inspection work. The 55:1 distance ratio means I can safely measure panel components from an appropriate distance, and the data logging capabilities make documentation for compliance reports much more efficient. It's replaced three separate tools in my kit." - Sarah K., Electrical Safety Inspector

Warranty and Support

The UNI-T UT305A+ includes a comprehensive 1-year manufacturer's warranty. Our dedicated technical support team is available to assist with application-specific questions and ensure you maximize the value of your professional measurement investment.

Frequently Asked Questions

How does the distance-to-spot ratio affect measurement accuracy?

The 55:1 ratio indicates that for every 55 units of distance, the measurement spot is 1 unit in diameter. For example, at 55 inches away, the device measures a 1-inch spot. This high ratio enables precise measurement of smaller targets from greater distances, ensuring accuracy by preventing the inclusion of surrounding areas in the measurement field.

Can the UT305A+ be used for food service temperature verification?

While the UT305A+ has the technical capability for food temperature measurement, we recommend our dedicated food service models for this application. The UT305A+ is optimized for industrial and maintenance applications rather than food safety compliance.

How do I ensure accurate readings on reflective surfaces?

For highly reflective surfaces, we recommend either adjusting the emissivity setting appropriate to the material (typically 0.1-0.3 for polished metals) or applying a small piece of masking tape or matte finish paint to the target area and measuring that spot with emissivity set to 0.95.

What is the difference between the surface temperature mode and the dew point detection mode?

The surface temperature mode simply measures the current temperature of the target surface. The dew point detection mode calculates the temperature at which condensation would form based on current ambient temperature and humidity, then compares this to the measured surface temperature to indicate condensation risk.

How often should I have my UT305A+ calibrated?

For most industrial applications, we recommend annual calibration to ensure continued measurement accuracy. However, for critical applications or quality control processes, more frequent calibration (every 6 months) may be appropriate. UNI-T offers professional calibration services with traceable certification.

Ready to Upgrade Your Temperature Measurement Capabilities?

Experience the professional-grade performance of the UNI-T UT305A+ infrared thermometer, designed to meet the demands of today's maintenance professionals, inspectors, and technicians who require reliable, accurate temperature data for critical decision-making.