Technical data14
14.10 FLIR A655sc 25°
P/N: 55001-0302
Rev.: 35207
General description
The FLIR A655sc is an excellent choice for those working in R&D and require the highest frame rates
and 640 × 480 pixel resolution. When using the camera in R&D, it is highly recommended to use the
FLIR ResearchIR software from FLIR Systems.
The camera is equipped with the standard 25° lens.
Key features:
• Affordable.
• 16-bit 640 × 480 pixel images at 50 Hz.
• Start-and-stop recording in FLIR ResearchIR using digital input.
• Windowing mode: 640 × 240 pixels at 100 Hz or 640 × 120 pixels at 200 Hz.
Typical applications:
• Mid- or high-end industrial R&D.
Imaging and optical data
IR resolution 640 × 480 pixels
Thermal sensitivity/NETD < 0.03°C @ +30°C (+86°F) / 30 mK
Field of view (FOV) 25° × 19° (31° diagonal)
Minimum focus distance 0.25 m (0.82 ft.)
Focal length 24.6 mm (0.97 in.)
Spatial resolution (IFOV) 0.68 mrad
Lens identification Automatic
F-number 1.0
Image frequency 50 Hz (100/200 Hz with windowing)
Focus Automatic or manual (built in motor)
Detector data
Detector type Focal plane array (FPA), uncooled
microbolometer
Spectral range
7.5–14 µm
Detector pitch 17 µm
Detector time constant Typical 8 ms
Measurement
Object temperature range
• –40°C to +150°C (–40°F to +302°F)
• 100 to +650°C (+212 to +1202°F)
Accuracy ±2°C (±3.6°F) or ±2% of reading
Measurement analysis
Atmospheric transmission correction Automatic, based on inputs for distance, atmos-
pheric temperature and relative humidity
Optics transmission correction Automatic, based on signals from internal sensors
Emissivity correction Variable from 0.01 to 1.0
Reflected apparent temperature correction Automatic, based on input of reflected
temperature
External optics/windows correction Automatic, based on input of optics/window trans-
mission and temperature
Measurement corrections Global object parameters
#T559950; r. AD/35720/35720; en-US
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