Which Camera Should I Choose?
K33
- 240 × 180 thermal resolution
- Low range: -20°C to 150°C (-4°F to 302°F), High range: 0°C to 650°C (32°F to 1202°F)
- <40 mK NETD
IR Resolution
240 × 180 pixels
Display
4 in. LCD, 320 × 240 pixels, backlit
Object Temperature Range
–20°C to 150°C (–4°F to 302°F) 0°C to 650°C (32°F to 1202°F)
K75
- 320 × 240 thermal resolution
- Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
- <60 mK NETD
IR Resolution
320 × 240
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
K85
- 640 × 480 thermal resolution
- Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
- <60 mK NETD
IR Resolution
640 × 480
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
K85-N
- NFPA 1930:2025 certified
- 640 × 480 thermal resolution
- Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
IR Resolution
640 × 480
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
IR Resolution
240 × 180 pixels
IR Resolution
320 × 240
IR Resolution
640 × 480
IR Resolution
640 × 480
Display
4 in. LCD, 320 × 240 pixels, backlit
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Display
4" LCD, 640 × 480, backlit, 60 Hz display frame rate
Object Temperature Range
–20°C to 150°C (–4°F to 302°F) 0°C to 650°C (32°F to 1202°F)
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
Object Temperature Range
Single range solution operating: -20°C to 650°C (-4°F to 1202°F)
Resources & Support
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Firmware Download
FLIR Camera Firmware - K33, K45, K53, K55, K65
Firmware Download
Flir K75 K85 Firmware
Datasheet
Flir K85-N Datasheet
Warranty
FLIR Fire Service 2-5-10 Global Limited Warranty
Datasheet
FLIR Kxx Series Datasheet with Product Comparison Matrix
Warranty
FLIR Fire Service 2-5-10 Limited Warranty (US Only)
Brochure
FLIR Thermal Firefighting Brochure
Application Story
Flir Thermal Firefighting Cameras Vs. The Competition
Certification
ISO 9001-2015 FLIR Sweden
Datasheet
Flir K75 and K85 (2026 Version) Datasheet
Datasheet
Flir K75 and K85 (2025 Version) Datasheet