
FLIR T865 – Professional Thermal Imaging Camera

The FLIR T865 is a versatile, high-performance thermal imaging camera designed for professional inspections in power utilities, industrial plants, and building applications. Featuring up to 640 × 480 infrared resolution, advanced FLIR optics, and extended temperature ranges, the T865 helps professionals perform precise inspections safely and efficiently—whether at ground level or when paired with a telephoto lens for distant targets.
Key Features
- 640 × 480 infrared resolution – delivers sharp, detailed thermal images.
- Optional 6° telephoto lens – capture targets from a safe distance.
- High thermal sensitivity (< 30 mK) – detect small temperature differences.
- Temperature range up to 2000°C – suitable for industrial and power utility inspections.
- Ergonomic rotating optical block (180°) – comfortable use even in tight spaces.
- Laser-assisted autofocus – ensures accurate focus at all times.
- Wi-Fi, Bluetooth, and GPS – fast data transfer and geolocation tagging.
- Optional Inspection Route system – guides users through pre-planned inspection points.
Specifications
IR Resolution | 640 × 480 pixels |
Thermal Sensitivity (NETD) | < 30 mK @ +30°C |
Field of View (FOV) | 28° × 21° (standard lens), optional 6° telephoto |
Temperature Range | -40°C to +2000°C (lens dependent) |
Accuracy | ±2°C or ±2% of reading |
Focus | Autofocus, continuous autofocus, manual focus |
Image Storage | Removable SD card; radiometric JPEG and video |
Display | 4” LCD touchscreen with high brightness |
Battery Life | Up to 4.5 hours continuous operation |
Weight | ~1.3 kg (with lens and battery) |
Applications
The FLIR T865 is designed to handle diverse professional applications, including:
- Power utilities – inspect transmission lines, substations, and transformers safely.
- Industrial maintenance – monitor high-temperature processes, motors, and bearings.
- Building inspections – detect insulation issues, energy losses, and moisture intrusion.
- HVAC systems – troubleshoot efficiency problems and thermal anomalies.
- Preventive maintenance – reduce downtime by identifying issues before failure.
Combining ergonomic design, high-resolution imaging, and powerful optics, the FLIR T865 gives professionals the accuracy and flexibility needed for demanding thermal inspections.