UNI-T UT309E Infrared Thermometer
The UNI-T UT309E Infrared Thermometer is a rugged, high-performance infrared temperature meter that measures surface temperatures quickly and safely without physical contact. Featuring a wide temperature range up to 850°C, a 20:1 distance-to-spot ratio, dual laser targeting, and adjustable emissivity, it delivers highly accurate measurements for electrical inspections, industrial maintenance, HVAC servicing, automotive diagnostics, and manufacturing processes.
Designed for demanding work environments, the UT309E offers an IP65-rated dustproof and water-resistant housing with 3-meter drop protection for enhanced durability. It includes a large color EBTN display, MAX/MIN/AVG/DIF measurement modes, programmable high/low temperature alarms, data logging, trigger lock, and automatic power-off, making it an ideal instrument for engineers, technicians, and maintenance professionals.
Features:
- Non-contact infrared temperature measurement.
- Dual laser targeting system.
- Adjustable emissivity.
- Large color EBTN backlit display.
- MAX, MIN, AVG, and DIF measurement modes.
- High and low temperature alarms.
- LED alarm indication.
- Fast response time.
- Data Hold function.
- Trigger lock for continuous measurement.
- Built-in data storage.
- Automatic power-off.
- Low battery indication.
- IP65 dust and water resistance.
- 3-meter drop-resistant design.
- Rugged ergonomic housing.
- Suitable for industrial and electrical inspections.
Specifications:
| Specifications | UT309A | UT309C | UT309E |
| Temperature range | -35°C~450°C | -35℃~650℃ | -35℃~850℃ |
| -31°F~842°F | -31℉~1202℉ | -31℉~1562℉ | |
| Accuracy | ≥0°C: ±1.8°C or ±1.8% | ||
| <0°C: ±(1.8°C+0.1°C/°C) | |||
| ≥32°F: ±3.6°F or ±1.8% | |||
| <32°F: ±(3.6°F+0.1°F/°F) | |||
| Resolution | 0.1°C/0.1°F | ||
| D:S ratio | 10:1 | 12:1 | 20:1 |
| Response time | 250ms (95% of reading) | ||
| Emissivity | 0.95 | 0.1~1 adjustable | 0.1~1 adjustable |
| Number of lasers | Single laser | Dual lasers | Dual lasers |
| Laser type | Class 2 | ||
| Laser power | <1mW | ||
| Laser wavelength | 630nm~670nm | ||
| Spectral response | 8μm~14μm | ||
| Features | |||
| °C/°F selection/Laser switch | ✔ | ||
| Display hold(s) | 8 | ||
| Data hold/Auto power off | ✔ | ||
| Low battery indication | ✔ | ||
| Lock measurement | ✔ | ||
| MAX/MIN/AVG/DIFF mode | ✔ | ||
| High alarm (red LED) | ✔ | ||
| Low alarm (blue LED) | ✔ | ||
| LCD backlight | ✔ | ||
| Tripod mounting hole | ✔ | ||
| General Characteristics | |||
| Power | 9V battery (6F22) | ||
| Display | 32mm x 29mm | ||
| Product color | Red and grey | ||
| Product net weight | 292g | ||
| Product size | 189mm x 118mm x 55mm | ||
| Standard accessories | PC software CD, carrying bag | ||
| Standard individual packing | Gift box, blister, English manual (UT309A/C only: German, French, Spanish optional) | ||
| Standard quantity per carton | 10pcs | ||
| Standard carton measurement | 430mm x 335mm x 330mm | ||
| Standard carton gross weight | 6.5kg | ||
Applications:
- Electrical panel inspection.
- HVAC system maintenance.
- Motor and bearing temperature monitoring.
- Industrial equipment inspection.
- Manufacturing quality control.
- Mechanical maintenance.
- Automotive diagnostics.
- Boiler and furnace inspection.
- Power distribution inspection.
- Transportation equipment maintenance.
- Laboratory surface temperature measurement.
- Preventive maintenance.
Package Includes:
- 1 × UNI-T UT309E Infrared Thermometer.
- 1 × 9V (6F22) Battery.
- 1 × Carrying Bag.
- 1 × User Manual.