UNI-T UT303D+ Infrared Thermometer with Data Logger 1300°C

UNI-T UT303D+ Infrared Thermometer with Data Logger in Sri Lanka

High-Range 1300°C IR Thermometer with 30:1 D:S Ratio, 99-Set Storage and Scheduled Measurement

The UNI-T UT303D+ Infrared Thermometer is a high-performance data-logging IR thermometer capable of measuring surface temperatures up to 1300°C, making it an advanced solution for Sri Lanka's high-temperature industrial measurement requirements. With a 30:1 distance-to-spot ratio, adjustable emissivity storing up to 5 preset values, and 99-set onboard data storage with scheduled automatic measurement, it is engineered for process engineers and quality inspectors who demand both precision and documented temperature histories.

Explore our full range of Infrared Thermometers – non-contact, laser, and industrial temperature meters in Sri Lanka!

The UT303D+'s dual laser targeting and colour EBTN display ensure precise spot identification and clear readout in demanding plant environments, while its time-scheduled measurement function — programmable from 1-minute to 96-hour intervals — enables completely unattended thermal monitoring across long process cycles.

Technical Specifications

Temperature Range: -32°C to +1300°C (-25.6°F to +2372°F)

Accuracy: ±1.5°C or ±1.5% of reading (±3°F or ±1.5%)

Repeatability: 0.7°C or 0.7% (1.5°F or 0.7%)

Resolution: 0.1°C

Distance-to-Spot Ratio: 30:1

Emissivity: 0.1~1.0 adjustable (stores 5 preset values)

Laser Type: Dual, Class 2

Laser Power: <1mW | Wavelength: 630nm~670nm

Spectral Response: 8μm~14μm

Response Time: 250ms

Display: Colour EBTN LCD (35 × 35mm)

Data Storage: 99 sets with date and time stamp

Scheduled Measurement: Interval 1 min~96 hours, up to 99 sets

Operating Temperature: 0°C~50°C (32°F~122°F)

Operating Humidity: <90%RH (non-condensing)

Power: 9V battery (6F22)

Product Size: 172 × 113.5 × 53mm

Net Weight: 310g

Certifications: CE, UKCA

Key Features

99-Set Data Logger with Date/Time Stamp: Documents temperature readings with timestamps for process compliance, quality reporting, and audit trails

Scheduled Automatic Measurement: Programmes unattended measurement cycles at intervals from 1 minute to 96 hours — ideal for long-duration thermal monitoring

30:1 Distance-to-Spot Ratio: Accurately measures small targets from significant distances on hot or electrically hazardous surfaces

Adjustable Emissivity with 5 Preset Stores: Quickly switch between saved emissivity profiles for different surface materials in multi-material inspection workflows

Colour EBTN Display: High-contrast colour screen for clear readout in bright outdoor or dimly lit plant environments

MAX / MIN / AVG / DIFF Modes: Comprehensive statistical capture for thermal process profiling

User-Defined Visual and Audio Alarm: Configurable high and low threshold alerts for process boundary monitoring

Data Hold / Lock Measurement: Freeze readings during hazardous or difficult-access inspections

Tripod Mounting Hole: Supports fixed-position continuous temperature monitoring

Low Battery Indication: Alerts before readings are affected

Applications

High-temperature furnace and boiler surface process monitoring up to 1300°C

Scheduled unattended thermal audits of industrial plant equipment

Process temperature validation and compliance documentation

Electrical switchgear and high-voltage equipment thermal logging

Predictive maintenance temperature trending for manufacturing plant reliability programmes

Package Includes

1 × UNI-T UT303D+ Infrared Thermometer main unit

9V battery (6F22, installed)

Carrying bag

English user manual

For the highest temperature measurement capability in our range — up to 2000°C for extreme industrial processes including steel, glass, and foundry applications — explore the UNI-T UT305S Professional Infrared Thermometer (2000°C).

Downloads

📄 Download UNI-T UT303D+ Data Sheet
📄 Download UNI-T UT303D+ User Manual