FlirMate Pro 640

FLIR Boson 640: Why Sensor Choice Matters

The thermal sensor determines everything else about a thermal drone's capability. The FLIR Boson 640 is the dominant sensor choice for professional airborne thermal platforms globally — used in military reconnaissance, search and rescue, firefighting aircraft, and the most capable commercial inspection drones. FLIR's manufacturing processes achieve a consistency and sensitivity that generic microbolometer sensors, including those found on consumer thermal drones, cannot match at equivalent pixel counts.

The 50mK NETD figure means the sensor detects temperature differences of 0.05°C. A typical entry-level thermal sensor achieves 100–150mK NETD. At that difference in sensitivity, the Boson 640 detects a human who has been submerged in cold water for 20 minutes — a scenario where an entry-level thermal sensor may produce an image too noisy to reliably distinguish the target from the background.

30Hz Refresh Rate

The 30Hz frame rate produces full-motion video at the same rate as standard broadcast video. Entry-level thermal sensors often operate at 9Hz (nine frames per second) — a frame rate that creates visible stuttering during fast aircraft movement and can cause the operator to miss a brief thermal signature. At 30Hz, the FlirMate Pro 640 produces smooth, broadcast-quality thermal video that accurately captures rapidly changing thermal scenes including moving subjects and dynamic fire fronts.

Search and Rescue Applications

The FlirMate Pro 640 is the sensor of choice for search and rescue operations because it excels at the most demanding thermal challenge: detecting a human body (37°C core temperature) against a background that may be only slightly cooler, at altitude, through partial obscuration. In woodland search operations, the Boson 640 can detect body heat through broken tree canopy at altitudes that keep the drone outside audible range of a casualty — avoiding the directional sounds that can disorient a disoriented or injured subject.

The 13mm f/1.0 lens maximises light collection (in the thermal sense — maximises infrared gathering) to produce the best possible image in low-flux conditions such as cold ambient temperatures or overcast skies that suppress thermal contrast.

Medical Screening

Elevated skin surface temperature is an indicator of fever. The FlirMate Pro 640's radiometric output enables temperature measurement per pixel accurate to ±0.5°C (within the sensor's calibrated range), which is sufficient for screening applications where subjects suspected of elevated temperature are flagged for secondary contact measurement. Drone-based medical screening has been used at border crossing points, large outdoor events, and disaster response triage situations. The 35-minute flight time and 15 m/s wind resistance mean the platform can operate continuously throughout a screening deployment without rotation.

Wildfire Perimeter Mapping

Wildfire incident commanders need accurate, real-time fire perimeter data to deploy ground crews and air resources safely. Ground crew GPS tracks and satellite imagery both have limitations in active fire conditions — ground crews can't always reach perimeter measurement points, and satellite revisit times are typically 12–24 hours. The FlirMate Pro 640 operates safely above the fire line and produces thermal orthomosaics that map the fire perimeter, identify spot fires, and detect smouldering areas beneath smoke cover — all within a single 35-minute flight that can be repeated as the fire evolves.

The HDMI output connects directly to an incident command post display system, putting live thermal video in front of the incident commander in real time. The GPS-tagged thermal imagery also feeds directly into standard incident management GIS platforms.

FlirMate Pro 640 vs Entry-Level Thermal Drones

The InfraEye Scout at $3,400 uses a 320×256 thermal sensor with 100mK NETD. For roof inspection, energy audit, and solar panel inspection where temperature differentials are typically 5°C or more, the InfraEye performs well and the cost difference is hard to justify. For search and rescue, medical screening, and wildfire mapping — where the mission depends on detecting subtle temperature differentials quickly and reliably — the Boson 640's sensitivity is not a marginal improvement. It is the difference between detecting a subject and not detecting them.

What's in the Box

• FlirMate Pro 640 airframe with FLIR Boson 640 payload
• 13mm f/1.0 thermal lens (standard; additional lenses available)
• Smart flight battery (x3)
• Remote controller with HDMI output for external monitor
• Ground station HDMI cable (5m)
• Pelican-style hard carry case
• FLIR Tools Pro software licence (1 seat)
• Radiometric data analysis guide

Frequently Asked Questions

What is the difference between the Boson 640 and a standard uncooled microbolometer?

The FLIR Boson 640 is an uncooled sensor (does not require cryogenic cooling), but achieves below-50mK NETD through FLIR's proprietary pixel design, read-out integrated circuit, and manufacturing process. The distinction is between standard uncooled sensors (typically 80–150mK NETD) and a premium uncooled sensor engineered specifically for thermal sensitivity.

Can the FlirMate Pro 640 transmit live thermal video to a command post?

Yes — the HDMI output on the remote controller enables connection to any HDMI-capable monitor or display system. Maximum HDMI cable run with the provided cable is 5m; active HDMI extenders up to 30m are compatible. For wireless transmission to a separate display beyond HDMI range, the video downlink can be split via HDMI distribution amplifier.

Is the FlirMate Pro 640 available for demonstration before purchase?

Yes — we offer in-person demonstrations for qualified SAR, fire service, and public safety agency buyers. Contact our team to arrange a demonstration at your location.

What radiometric data format does the FlirMate Pro 640 output?

Radiometric data is stored as per-frame TIFF files with embedded temperature metadata, readable by FLIR Tools Pro, MATLAB, and any thermal analysis software that supports the FLIR radiometric TIFF standard. Temperature CSV export is available in the companion app for integration with data analysis workflows.