The UNI-T UT300S is a handheld infrared thermometer for fast, non-contact measurement of surface temperatures from -32°C to 400°C. Its 12:1 distance-to-spot ratio, adjustable emissivity and rapid 500ms response make it suitable for industrial inspection and maintenance work.
Key Features
- Non-contact surface temperature measurement from -32°C to 400°C
- 12:1 distance-to-spot ratio for measuring difficult-to-reach surfaces
- Adjustable emissivity from 0.10 to 1.00 for different materials
- Fast 500ms response with reliable measurement repeatability
- Laser targeting, data hold, LCD backlight and selectable °C/°F units
Product Specifications
| Specification |
Details |
| Brand |
UNI-T |
| Series |
UT300 Series |
| Model |
UT300S |
| Measurement Method |
Non-contact infrared |
| Temperature Range |
-32°C to 400°C (-25.6°F to 752°F) |
| Measurement Accuracy |
±2°C or ±2%, whichever is greater |
| Repeatability |
±0.5°C or ±0.5% |
| Distance-to-Spot Ratio |
12:1 |
| Response Time |
500ms |
| Emissivity |
Adjustable from 0.10 to 1.00 |
| Spectral Response |
8–14µm |
| Laser Power |
<1mW |
| Temperature Units |
°C and °F |
| Data Hold |
Supported |
| LCD Backlight |
Supported |
| Low-Battery Indication |
Supported |
| Automatic Power-Off |
After approximately 8 seconds |
| Power Supply |
1 × 9V 6F22 battery |
| Display Size |
22 × 22mm |
| Product Dimensions |
153 × 108 × 40mm |
| Net Weight |
185g |
| Product Colour |
Red and grey |
| Certifications |
CE and UKCA |
Applications
- Surface temperature inspection of machinery and equipment
- Heating, ventilation and air-conditioning system checks
- Electrical and mechanical maintenance inspections
- Measurement of difficult-to-reach or potentially hazardous surfaces
Included Components
- 1 × UNI-T UT300S Infrared Thermometer
- 1 × English User Manual