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    • FLIR

    FLIR K53 – Rugged, Affordable Thermal Imaging Camera for Firefighters

    The FLIR K53 is a durable, budget-friendly thermal imaging camera with FSX™ enhancement for clearer visibility, better orientation, and confident firefighting.

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    Description

    FLIR K53

    Affordable clarity. Fireground reliability.

    The FLIR K53 is a dependable, easy-to-operate thermal imaging camera (TIC) designed for frontline firefighting. Built with affordability in mind, the K53 delivers the core essentials of the FLIR K-Series—clarity, ruggedness, and performance—at a lower cost without compromising effectiveness.

    Featuring FLIR’s patented FSX® Flexible Scene Enhancement, the K53 intensifies structural and textural details in thermal images, giving firefighters better perspective and orientation in low-visibility, high-stress environments. This enhancement helps crews make quicker decisions, navigate dangerous structures, and locate victims with greater confidence.

    Features

    • Firepower Simplified

    • Uncompromising Resolution

    • Affordability Redefined

    • Vivid FSX Thermal Images

    • Streamlined High Performance

    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 condition

    • 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

    Specifications

    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

    Resources

    K53 Datasheet

    Media

    Introducing the FLIR K33 & K53 Thermal Imaging Cameras for Firefighters

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