UNI-T UT305S Professional Infrared Thermometer
The UNI-T UT305S is a handheld infrared thermometer engineered to provide rapid, non-contact temperature readings through a precise laser-aiming system. Its pistol-grip housing houses an infrared sensor that captures thermal radiation from a distance, converting it into real-time temperature values displayed on a backlit LCD. Users simply point the integrated laser sight toward a surface, press the trigger, and within a fraction of a second the instrument computes and displays the target temperature. Internally, the device’s optics focus infrared energy onto a sensor array; a microprocessor then translates this signal into a numeric readout, while also logging the measurement in onboard storage for later review.
Ergonomics play a central role in the UT305S’s design: its contours and balanced weight allow for one-handed operation, and tactile buttons positioned near the trigger facilitate menu navigation without shifting grip. The housing incorporates a tripod-mount socket, enabling stable positioning when continuous monitoring is required. A low-battery indicator alerts operators when power is waning, and an auto-shutdown feature helps preserve battery life during extended periods of inactivity.
The thermometer’s laser pointer makes it easy to pinpoint small or distant hotspots, while digital circuitry filters noise and ensures that readings remain stable even if the user’s hand moves slightly. By combining a responsive trigger mechanism, clear visual feedback, and straightforward controls, the UT305S streamlines the process of capturing, storing, and reviewing temperature data in demanding settings. Its overall form and function reflect a careful balance between durability and accuracy, offering a dependable tool for professionals who require quick thermal assessments without physical contact.
Features:
- Laser aiming for precise target alignment.
- 50:1 distance-to-spot (D:S) ratio for accurate long-range measurements.
- 99-point onboard data storage for recording measurements.
- °C/°F selectable display modes.
- Laser on/off switch to disable the aiming beam when not needed.
- Data hold function and backlit LCD for easy reading of results.
- Auto power-off to conserve battery life.
- Tripod mounting hole for hands-free, fixed-point measurements.
- Low-battery indication to alert when power is running low.
- MAX/MIN/AVG/DIFF measurement modes for flexible data analysis.
- High/low temperature alarm with LED indicators.
Specifications:
| Category | Specification |
|---|---|
| Temperature Range: | –50 °C to 2000 °C (–58 °F to 3632 °F) |
| Accuracy: | ±1.0 °C or ±1.0 % of reading (whichever is greater) |
| Repeatability: | ±0.7 °C or ±0.7 % of reading |
| Distance-to-Spot Ratio: | 50:1 |
| Response Time: | 250 ms (95% of reading) |
| Spectral Response: | 8 µm to 14 µm |
| Emissivity: | Adjustable from 0.10 to 1.00 |
| Resolution: | 0.1 °C or 0.1 °F |
| Laser Pointer: | Class 2, 630 nm–670 nm, <1 mW |
| Data Storage: | 99 sets of measurement data |
| Display: | Backlit LCD, 35 mm × 35 mm viewing area |
| Power Supply: | 9 V battery (6F22 / 1604S) |
| Body Dimensions: | 172 mm × 113.5 mm × 53 mm |
| Weight: | 310 g (with battery) |
| Operating Temperature: | 0 °C to 50 °C; RH < 80 % |
| Storage Temperature: | –20 °C to 60 °C; RH < 90 % |
| Certifications: | CE, UKCA |
Applications:
- Industrial Quality Inspection.
- HVAC System Diagnostics.
- Metalworking and Foundry Monitoring.
- Electronics Manufacturing.

Package Include:
- 1x 9 V battery (type 1604S) for immediate operation
- 1x carrying bag for protection and portability
- 1x English-language user manual








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