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FLIR K53 Firefighting Thermal Camera - 60Hz, 320 x 240 Pixels

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With super-smooth frame rate, excellent thermal resolution and a range of professional tools made specifically for use in firefighting applications, FLIR's K53 thermal camera is a must-have for any professional firefighter.

Serious Fire Protection

The FLIR K53, which is the upgraded version of FLIR's K33 firefighting thermal camera, is designed from the ground-up to enable firefighters to work quicker, more effectively and safer in dangerous environments.

With the power of the FLIR K53, you'll be able to:

  • See through complete darkness and smoke, helping you to plot your course through a dangerous area
  • Spot the body heat of trapped people
  • Easily identify structural weaknesses and plan accordingly
  • Instantly capture thermal images at the touch of a large-size button (ideal for use in gloved hands) ready for further analysis when you need it

Unlike many other commercial-grade thermal cameras on the market which offer frame rates from appox 9 to 15Hz, the FLIR K53 has super-smooth 60Hz frame rate. in practice, this means that the image on the screen of the K53 refreshes much faster, adapting to the changing environments that firefighters will find themselves working in.

This firefighting thermal camera also has enhanced thermal resolution compared to the FLIR K33. Images are captured on this camera with resolution of 320 x 240 pixels, packing every image with even more temperature data than the K33 could. The thermal sensitivity of this camera is also further upgraded to <30mK, ensuring you get as accurate temperature results as possible.

FLIR K33 and K53 Firefighting Thermal Camera Video

See the Detail with FLIR Flexible Scene Enhancement (FSX)

Worried about blurry thermal images that make it hard to see where you're going? With FLIR FSX, you don't have to be.

By using FSX mode, the FLIR K53 firefighting thermal camera will actively blend together both digital and thermal images. This means that you get all of the temperature detail you need, while still maintaining your view of an environment, complete with clear edges and detail around objects.

This technology helps you to more accurately move through an environment, is better for identifying structural problems and helps you to capture higher quality images.

FLIR K53 Firefighting Thermal Camera Key Features

  • See through the dark and through smoke, easily identify structural weakness, detect fire patterns and body heat and much more
  • Excellent thermal resolution of 320 x 240 pixels ensures you get high quality images
  • Capture thermal images and video (upgrade from the K33, which doesn't include this ability)
  • Unique FLIR Flexible Scene Enhancement (FSX) helps you to identify structural points and actually see what you need when using the camera
  • Exceptional 60Hz frame rate delivers smooth, crisp viewing even when moving
  • Startup from sleep mode of less than 4 seconds - ready whenever you need it
  • 4", backlit 320 x 240 pixel LCD screen
  • Single button operation - ideal for use when working with gloved hands
  • Capture images instantly using the built-in trigger
  • Automatic heat detection (hottest 20% of the scene is colourised)
  • Up to 4 hours operating time - fully rechargeable batteries
  • 2-bay charging system with optional truck charger available (sold separately)
  • Made tough - withstands drops of up to 2m onto a concrete floor

What's Included?

  • FLIR K53 Firefighting Thermal Camera
  • 2 x Rechargeable Batteries
  • Battery Charger
  • Hard Transport Case
  • Power Supply
  • Printed Documentation
  • USB Cable
  • Lanyard Strap
  • Neck Strap
  • Retractable Lanyard
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Part Code72203-0511

FLIR K53 Technical Specifications

Infrared Resolution 320 x 240 pixels
Thermal Sensitivity/NETD <30mK @ 30°C (86°F)
Contrast Optimisation Digital image enhancement using FSX
Field of View (FOV) 51 x 38°
Focus Fixed
Image Frequency 60Hz
Detector Type Focal Plane Array (FPA), Uncooled Microbolometer
Spectral Range 7.5 to 13μm
Startup TIme <17 seconds (IR image, no GUI)
Startup Time from Sleep Mode <4 seconds
Image Storage Up to 200 JPEGS
Video Storage Up to 200 files (5 minute max per clip)
In-Camera Video Recording Non-radiometric MPEG-4 to internal flash memory
Image Presentation
Display 4" LCD, 320 x 240 pixels, backlit
Image Modes Ti Basic
Auto-Range Yes, mode-dependant
Object Temperature Range -20 to 150°C (-4 to 302°F), 0 to 650°C (32 to 1202°F)
Accuracy ±4°C or ±4% of reading for ambient temperature, 10 to 35°C (50 to 95°F)
Measurement Analysis
Spotmeter One spotmeter
Isotherm Yes, according to NFPA and mode-dependant
Automatic Heat Detection Heat detection mode (hottest 20% of the scene is colourised)
Colour Palettes Multiple palettes, mode-dependant
Regional Adjustments Units, date and time formats
Data Communication Interfaces
Interface USB-mini
USB USB Mini-B: data transfer to and from PC
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 LEDs
Charging Temperature 0 to 45°C (32 to 113°F)
Environmental Specs
Operating Temperature Range -20 to 85°C (-4 to 185°F), 150°C (302°F): 15 min., 260°C (500°F): 5 min
Storage Temperature Range -40 to 85°C (-40 to 185°F)
Humidity (Operating and Storage) IEC 60068-2-30/24 h 95% relative humidity, 25 to 40°C (77 to 104°F) / 2 cycles
Directives Designed to meet NFPA 1801: 2013 specification
Impact acceleration resistance
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 6100-4-8, Test level 5 for continuous field (severe industrial environment)
Encapsulation IP67 (IEC 60529)
Shock 25g (IEC 60068-2-27)

2g (IEC 60068-2-6)

Drop 2.0m (6.6ft) on concrete floor (IEC 60068-2-31)
Safety (Power Supply) CE/EN/UL/CSA/PSE 60950-1
Physical Specs
Camera Weight (Incl. Battery) <1.1kg (2.4lbs)
Camera Size (L x W x H) 120 x 125 x 280mm (4.7 x 4.9 x 11 inches)
Tripod Mount UNC 1/4" -20
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