
FLIR T540 – Professional Thermal Imaging Camera

The FLIR T540 is a versatile thermal imaging camera designed for electrical, mechanical, and building inspections. Featuring a 464 × 348 infrared detector, ergonomic design with a rotating optical block, and advanced measurement tools, the T540 makes it easier for professionals to diagnose faults quickly, safely, and accurately.
Key Features
- 464 × 348 infrared resolution – clear, detailed thermal images.
- UltraMax® image enhancement – increases effective resolution to 928 × 696.
- < 30 mK thermal sensitivity – detect even the smallest temperature variations.
- 180° rotating optical block – ergonomic operation in tight or overhead spaces.
- Laser-assisted autofocus – ensures accurate and fast focusing.
- Customizable measurement tools – area boxes, profiles, and isotherms for precise analysis.
- Wi-Fi & Bluetooth connectivity – quick data sharing with mobile devices or networks.
- Integration with FLIR Thermal Studio – professional reporting and analysis software.
Specifications
IR Resolution | 464 × 348 pixels (161,472 pixels) |
Thermal Sensitivity (NETD) | < 30 mK @ +30°C |
Field of View (FOV) | 24° × 18° (standard lens); optional lenses available |
Temperature Range | -20°C to +120°C; 0°C to +650°C; up to +1500°C (lens dependent) |
Accuracy | ±2°C or ±2% of reading |
Focus | Laser-assisted autofocus, continuous autofocus, manual |
Display | 4” LCD touchscreen, high brightness |
Image Storage | Radiometric JPEG, MPEG4 video, removable SD card |
Battery Life | Up to 4 hours continuous operation |
Weight | ~1.3 kg (with lens and battery) |
Applications
The FLIR T540 is designed to support a wide range of professional applications, including:
- Electrical inspections – detect hotspots in switchgear, panels, and transformers.
- Mechanical inspections – monitor motors, pumps, bearings, and rotating machinery.
- Building diagnostics – identify insulation problems, moisture intrusion, and HVAC inefficiencies.
- Industrial maintenance – minimize downtime by catching problems early.
- Renewable energy – inspect solar arrays and wind turbines effectively.
With its combination of high thermal resolution, ergonomic design, and advanced features, the FLIR T540 is a reliable tool for professionals who need accurate thermal imaging in demanding inspection environments.