FLIR
K53
The FLIR K53 offers the reliable clarity and performance firefighters need to work quickly and safely in the smokiest environments. This TIC features FSX Flexible Scene Enhancement, which intensifies structural and textural details in thermal images.
Thanks to the K53's enhanced perspective and orientation, firefighters gain better situational awareness as well as a greater sense of confidence and safety.

K53
Personal TIC
The K53 is an easy-to-use thermal imaging camera (TIC) that offers affordability without sacrificing the reliability, clarity, or performance first responders expect from FLIR. The K53 features FLIR's patented FSX® Flexible Scene Enhancement, which intensifies thermal images' structural and textural details.
The enhanced perspective improves firefighters' orientation and tactical decision-making capabilities. First responders gain a sense of confidence and safety as they forge ahead to fight fires and save lives.
FLIR now gives you a new lower-cost, easier-to-use option without sacrificing the reliable clarity and performance that FLIR K-Series TICs are well-known for. The K53 features FLIR’s FSX Flexible Scene Enhancement that intensifies structural and textural details in thermal images for better perspective and orientation to help improve situational awareness and give firefighters a greater sense of confidence and safety.
Firepower Simplified
Uncompromising Resolution
Affordability Redefined
Vivid FSX Thermal Images
Streamlined High Performance Made even more affordable
Streamlined High Performance
Simple, single-button glove-friendly control; straightforward operation
Compact and lightweight enough to carry anywhere or attach to your gear
Water resistant (IP67) and rugged enough to withstand a 2-meter drop onto concrete
Fully operational at temperatures up to 500°F/260°C (max. 3 minutes)
Uncompromising Clarity and Resolution
Detail-rich images help you see clearly and move safely in smoky conditions
K33 240 × 180 (43,200 pixel) resolution and K53 320 × 240 (76,800 pixel) resolution to see clearly in smoky environments
- Rapid refresh-rate (60 Hz) for better on-scene orientation
FLIR FSX digital processing adds edge detail for greater perspective and increased navigational capabilities
Bright and easy to see 4" LCD display
Improved Tactical Decision-Making
High-quality imaging can be standard issue for every firefighter
Affordable enough for fire crews to have multiple TICs in use at a fire scene
Provides clear visual information needed to make crucial tactical decisions
Stores thermal images and video clips to access for on-scene review or to produce scene incident reports
Thermal Imaging and optical data
- IR Resolution
- 320 × 240 (76,800)
- Refresh Rate
- 60 Hz
- Thermal Sensitivity/NETD
- <30 mK @86°F (30°C)
- Field of View (FOV)
- 51° × 38°
- Focal plane array
- Uncooled microbolometer, 7.5 - 13 µm
- Start-up time
- <17 sec (IR image, no GUI)
Image Presentation
- Display
- 320 × 240 pixel, 4 in backlit LCD
- Auto-range
- Selectable on/off in FLIR Tools
- Image modes (switch in FLIR Tools)
- Fixed color scale, TI Basic
- Flexible Scene Enhancement
- Yes
Measurement
- Object Temperature Range
- -4°F to 302°F (-20°Cto 150°C)
- 32°Fto 1202°F (0°Cto 650°C)
- Accuracy
- ±7.2°F (±4°C) or ±4% of reading for ambient temperature 50°F to 95°F (10°Cto 35°C)
- Spotmeter
- 1
Data Storage, transfer and compatibility
- USB Type
- USB mini-B
- Interfaces
- Update from PC devices, data transfer to and from PC
- Compatibility
- Works with FLIR Tools Software
- Image/Video Storage
- Up to 200 image or video files (max. duration of 5 min)
- Video Streaming
- Uncompressed video over USB
General
- Operating Temperature Range
- -4°F to 185°F (-20°C to 85°C) - infinity;
- 302°F (150°C) - 15 minutes;
- 500°F (260°C) - 3 minutes
- Storage Temperature Range
- -40°F to 185°F (-40°C to 85°C)
- Battery Type and Voltage
- Li-ion, 3.6V rechargeable
- Battery Operating Time
- Approximately 4 hours at 77°F (25°C) and with typical use
- Charging Time
- 2h to 85% capacity
- Drop
- 6.6 ft (2m)
- Weight w/ Battery
- 1.54lbs (0.7kg)
- Size (L × W × H)
- 4.7 × 4.9 × 11in (120 × 125 × 280mm)
- Tripod Mount
- UNC ¼”-20
Introducing the FLIR K33 & K53 Thermal Imaging Cameras for Firefighters