UNI-T UT305A+ Infrared Thermometers
The UNI-T UT305A+ is a high-precision non-contact infrared thermometer engineered to provide accurate surface temperature measurements across a broad spectrum. Housed in a rugged enclosure, it integrates a bright TFT LCD display that delivers clear, easy-to-read data in various lighting conditions. Equipped with a laser targeting system, the device ensures precise aiming and rapid acquisition of thermal information. An ergonomic design offers comfortable handling during extended use, while intuitive controls facilitate seamless operation for both novice and experienced users.
The thermometer incorporates an ambient sensor to continually monitor environmental conditions, enabling users to factor in surrounding temperature when conducting measurements. Data handling is streamlined through a micro USB interface that supports effortless transfer of recorded values to a computer for detailed analysis. Internal memory capacity allows storage of multiple readings, making it convenient to track temperature trends over time. Despite its sophisticated capabilities, the UT305A+ remains user-friendly, featuring responsive buttons and a straightforward menu system.
Durable construction protects against accidental drops and harsh field conditions, ensuring long-term reliability. Balancing performance, portability, and robustness, this infrared thermometer serves as an indispensable tool for professionals across various disciplines. Its compact dimensions and lightweight design make it easy to carry for field inspections.
Features:
- °C/°F selectable units.
- Audible buzzer alarm.
- Real-time clock and date display.
- “Infrared Professional” measurement mode.
- Surface heat-conduction detection mode.
- Surface dew-point detection mode.
- Surface temperature comparison mode.
- Trigger-lock function for continuous measurements.
- Reservation measurement capability.
- Storage for up to 999 data groups, with PDF and CSV export support.
- High-precision display of ambient temperature, relative humidity, dew-point temperature, and wet-bulb temperature.
- Integrated Type K thermocouple temperature measurement capability.
Specifications:
| Specification | Details |
|---|---|
| Infrared Temperature Range: | –50 °C to 2200 °C (–58 °F to 3992 °F) |
| Accuracy (Infrared): | ±1.0 °C or ±0.01×T °C (whichever is greater) |
| Ambient Temperature Range: | –10 °C to 50 °C |
| Ambient Temp Accuracy: | 0–40 °C: ±0.5 °C; –10–0 °C / 40–50 °C: ±1.0 °C |
| Relative Humidity Range: | 10 % RH to 90 % RH |
| Humidity Accuracy: | ±5 % RH |
| Type K Thermocouple Range: | –50 °C to 1370 °C |
| Type K Accuracy: | ±(0.5 %×T + 1.5) °C |
| Spectral Response: | 8 µm to 14 µm |
| Display Resolution: | 0.1 °C |
| Adjustable Emissivity: | 0.1 to 1.0 |
| Temperature Coefficient: | ±0.1 °C/°C or ±0.1 % °C/°C (whichever is greater) |
| Repeatability (Infrared): | ±0.5 %×T °C or 1 °C (whichever is greater) |
| Distance-to-Spot Ratio (D:S): | 55 : 1 |
| Laser Targeting: | Single laser, <1 mW, Class II |
| LCD Display: | 2.4-inch TFT, 320 × 240 pixels |
| Drop Resistance: | Withstands 1 m drop |
| Thermocouple Probe: | 1 m cable, bead type, micro connector |
| USB Interface: | Built-in micro USB port for data transfer |
Applications:
- Industrial Equipment Maintenance.
- HVAC System Diagnostics.
- Power Distribution Inspection.
- Automotive Diagnostics.
- Food Safety and Processing.
- Fire Prevention and Safety Monitoring.
- Laboratory and Research Use.
- Building and Home Inspection.

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






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