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FLIR K55 thermal imaging camera


Digital Image Enhancement Through FSX

FSX enhances K55 thermal images through real-time digital processing inside the camera. The result is an ultra-sharp image that shows extraordinary structural, edge, and other instantly-recognizable detail.

Extremely Affordable

We believe there should be a Thermal Imaging Camera in Every Fire Truck.  FLIR develops and manufactures more thermal imaging cameras than any other company. Thanks to economies of scale, FLIR is able to offer K-Series at an extremely affordable price.


All new K-Series cameras are protected by our exclusive FLIR 2-5-10 Warranty that includes 2 years of coverage on batteries, five years on the camera, and ten years on the detector.

FLIR FSX™ Flexible Scene Enhancement Clear Images in Critical Environments

FLIR firefighter thermal image

Firefighters rely on technology to perform demanding tasks: locating people in a smoke filled room, finding their way through smoke and dark areas… Luckily, thermal imaging cameras can support them in these tasks. Thermal imaging cameras use the heat emitted from the environment to see through smoke, locate subjects or visualize hot spots. However, in cases where the scene temperatures have low contrast, it can still be hard and time-consuming to get a good picture of the situation. That’s where FLIR’s Flexible Scene Enhancement (FSX™) technology comes in.

FLIR Firefighter using TIC

The new Flexible Scene Enhancement (FSX™) technology, which is featured on the FLIR K65 camera, provides enhanced image detail in the thermal video image. Firefighters can use the K65 to see ultra-sharp thermal images with the smallest of details.

FLIR K45 K55 K65 thermal image camera with FSX

FLIR K-Series 3 button cameras

Trust in FLIR K-Series thermal imaging camera to protect your life and to save the lives of others.
Thoroughly tested! Don’t believe us,
watch the video.

FLIR Technical Specifications

Technical Specifications

Model K45 K55 K65



Certified according to NFPA 1801:2013 specification No Yes

Imaging and optical data

IR resolution 240 x 180 pixels                                  320 × 240 pixels
Thermal sensitivity < 40 mK @ +30°C (+86°F)                                < 30 mK @ +30°C (+86°F)
Contrast optimization               Digital image enhancement using FSX
Field of view (FOV) / focus                          51° × 38° / fixed focus
Image frequency                                         60 Hz
Zoom                                   2x, digital zoom
Focal Plane Array (FPA) / Spectral range                 Uncooled microbolometer / 7.5–13 µm
Start-up time                         < 17 sec. (IR-image, no GUI)
Start-up time from sleep mode                                           < 4 sec.
Image storage Up to 200 JPEG images on internal Flash Memory (co-dependent on the number of saved video clips)
Video storage No 200 files in total, with a maximum duration of 5 minutes per video clip
In-camera video recording format No Non radiometric MPEG-4 to internal Flash Memory

Image presentation

Display 4” LCD, 320 × 240 pixels, backlit
Image modes • IR image:
TI Basic NFPA fire-fighting mode / Black-and-white fire-fighting mode / Fire mode
Search-and-rescue mode / Heat detection mode
• Thumbnail gallery
Auto-range Yes, mode dependent


Object temperature range –20 °C to +150 °C / -4 °F to +302 °F, 0 °C to +650 °C / 32 °F to +1,202 °F
Accuracy ±4°C or ±4% of reading for ambient temperature, 10°C to 35°C / 50 °F to 95 °F

Measurement analysis

Spotmeter 1
Isotherm Yes, According to NFPA and mode dependent
Automatic heat detection Heat detection mode (the hottest 20% of the scene is colorized)


Color palettes Multiple palettes, mode dependent
Regional adjustments Units, date and time formats
Data communication interfaces
Interfaces USB-mini
USB USB Mini-B: Data transfer to and from PC / uncompressed colorized video

Power system

Battery Li Ion, 4 hours operating time
Charging system 2-bay charger, truck charger available
Charging time 2 hours to 85% (3 hours and 25 minutes) capacity, charging status indicated by LED’s
Charging temperature 0 °C to +45 °C / 32 °F to 113 °F

Environmental data

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
Storage temperature range –40 °C to +85 °C (-40 °F to +185 °F)
Humidity (operating and storage) IEC 60068-2-30/24 h 95% relative humidity +25ºC to + 40ºC (+77ºF to +104ºF) / 2 cycles
Relative humidity 95% relative humidity +25ºC to + 40ºC (+77ºF to +104ºF) non-condensing
Directives Designed to meet
NFPA 1801:2013 specification:
• Vibration
• Impact acceleration resistance
• Corrosion
• Viewing surface abrasion
• Heat resistance
• Heat and flame
• Product label durability
Certified according to
NFPA 1801:2013 specification:
• Vibration
• Impact acceleration resistance
• Corrosion
• Viewing surface abrasion
• Heat resistance
• Heat and flame
• Product label durability
EMC • EN 61000-6-2:2005 (Immunity)
• EN 61000-6-3:2011 (Emission)
• FCC 47 CFR Part 15B (Emission)
Magnetic fields EN 61 000-4-8, Test level 5 for continuous field (severe industrial environment)
Encapsulation IP 67 (IEC 60529)
Shock 25 g (IEC 60068-2-27)
Vibration 2 g (IEC 60068-2-6)
Drop 2.0 m / 6.6 ft., on concrete floor (IEC 60068-2-31)
Safety (power supply) CE/EN/UL/CSA/PSE 60950-1

Physical data

Camera weight, incl. battery <1,1 kg / 2.4lb
Camera size (L × W × H) <120 × 125 × 280 mm / <4.7 x 4.9 x 11”
Tripod mounting UNC ¼”-20


Packaging, contents K45/K55/K65 box contents: Infrared camera, Battery (2 ea.), Battery charger, Hard transport case, Power supply, Printed documentation, USB cable,
K45/K55 (not K65) also includes: Lanyard strap, Neck strap, Retractable lanyard
K65 also includes: Torx screwdriver (T20)
Optional accessories Extra battery, battery charger, retractable lanyard, strap lanyard, neck strap, USB-cable,
tripod adapter, in-truck charger


FLIR Thermal Imaging Cameras

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6620 Orchid Lake Road

New Port Richey, Fl. 34653-1111

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