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Flir K55 High Performance Thermal Imaging Camera

With a FLIR K55 TIC in hand, you can attack fires more strategically, maneuver through smoke more easily, and save lives.

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Flir K55 High Performance Thermal Imaging Camera
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  • Flir K55 High Performance Thermal Imaging Camera

With a FLIR K55 TIC in hand, you can attack fires more strategically, maneuver through smoke more easily, and save lives.

The K55 displays crisp thermal images on a bright LCD, helping you navigate better and expedite critical decisions. The 320 x 240 pixel IR sensor and FSX™ Flexible Scene Enhancement produce detail-rich imagery at a 60 Hz frame rate that keeps up with the action.


  • The maintenance-free sensor produces detail-rich 320 x 240 pixels thermal images to help you navigate easier in smokey conditions.
  • K45 cameras are protected by FLIR's 2-5-10 Warranty: 2 years for batteries, 5 for the camera, and 10 years for the detector.
  • Store up to 200 photos or video files that can be played-back in-camera or from a computer for later analysis.
Detector TypeFocal plane array (FPA), uncooled microbolometer
Focal Length9 mm (0.35 in.)
IR Resolution320 × 240 pixels
MaterialPPSU Silicon rubber Aluminium, cast Flame-resistant magnesium alloy
Packaging Size500 × 190 × 370 mm (19.7 × 7.5 × 14.6 in.)
Pitch25 µm
Report GenerationSeparate software (FLIR Tools
Set-up CommandsLocal adaptation of units, date and time formats
Spectral Range7.5–13 µm
Tripod MountingUNC ¼"-20 (adapter needed)
Zoom2× digital zoom 
Compatible with FLIR software FLIR Tools® 
InterfaceUpdate from PC devices Data transfer to and from PC
Storage MediaInternal flash memory
DirectivesDesigned to meet NFPA 1801:2018 specification: Vibration Impact acceleration resistance Corrosion Viewing surface abrasion Heat resistance Heat and flame Product label durability
Drop2 m (6.6 ft.) on concrete floor (IEC 60068-2-31)
EMCEN 61000-6-2:2005 (Immunity) EN 61000-6-3: 2011 (Emission) FCC 47 CFR Part 15 B (Emission)
EncapsulationIP 67 (IEC 60529)
Humidity (Operating and Storage)IEC 60068-2-30/24 h 95% relative humidity 25°C to 40°C (77°F to 104°F) / 2 cycles
Magnetic fieldsEN 61 000-4-8, Test level 5 for continuous field (severe industrial environment)
Operating Temperature Range–20°C to 85°C (–4°F to 185°F) 150°C (302°F): 15 min. 260°C (500°F): 5 min.
Relative Humidity95% relative humidity 25°C to 40°C (77°F to 104°F) non-condensing
Shock25 g (IEC 60068-2-27)
Storage Temperature Range–40°C to +85°C (–40°F to +185°F)
Vibration2 g (IEC 60068-2-6)
Camera size (L x W x H)120 × 125 × 280 mm (4.7 × 4.9 × 11 in.)
Camera weight incl battery1.1 ±0.05 kg (2.4 ±0.1 lb.)
Contrast optimizationDigital image enhancement using FSX
Depth of Field0.84 m to infinity (33 in. to infinity)
Field of view (FOV)51° × 38°
Image Frequency60 Hz
Image ModesIR image TI Basic fire-fighting mode Black-and-white fire-fighting mode Fire mode Search-and-rescue mode Heat detection mode Thumbnail gallery
Non-radiometric IR video recordingMPEG-4 to internal flash memory
Non-radiometric IR video streamingUncompressed colorized video using USB
Spatial resolution (IFOV)2.8 mrad
Storage Capacity200 files in total, with a maximum duration of 30 minutes. The total number of files is co-dependent on the number of saved images.
Accuracy±4°C (±7.2°F) or ±4% of reading, for ambient temperature 10°C to 35°C (50°F to 95°F)
Automatic Hot DetectionHeat detection mode (the hottest 20% of the of scene is colorized)
Object Temperature Range–20°C to 150°C (–4°F to 302°F) 0°C to 650°C (32°F to 1202°F)
Spot Meter1.0
Thermal Sensitivity/NETD<30 mK @ 30°C (86°F)
Meter Data
Auto RangeYes, selectable on/off using FLIR Tools®
Display4 in. LCD, 320 × 240 pixels, backlit
Battery capacity4.4 Ah, at 20°C to 25°C (68°F to 77°F)
Battery operating timeApprox. 4 hours at 25°C (77°F) ambient temperature and typical use
Battery TypeLi Ion
Battery voltage3.6 V
Battery weight0.152 kg (0.3 lb.)
Charging systemBattery is charged inside the camera 2-bay charger Optional In-truck charger
Charging Temperature0°C to 45°C (32°F to 113°F)
Charging Time2 h to 85% capacity, charging status indicated by LEDs
Power ManagementAutomatic shutdown and sleep mode
Safety [power supply]CE/EN/UL/CSA/PSE 60950-1
Start Up Time<17 s. (IR image, no GUI)
Start-up time from sleep mode<4 s.
File FormatsStandard JPEG
Image StorageStandard JPEG; Image freeze: configurable
Image Storage Capacity200 files in total. The total number of files is co-dependent on the number of saved video clips.
Image Storage ModeIR only