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FLIR T-Series Infrared Camera Comparison Chart

Model Number FLIR T420 / T420bx FLIR T440 / T440bx FLIR T620 / T620bx FLIR T640 / T640bx
  Flir T Thermal Imaging Camera Flir T Thermal Imaging Camera Flir_T620.jpg Flir_T640.jpg
Accuracy ±2% or 2°C
IR Pixel Resolution 76,800 (320 × 240) 307,200 (640 × 480)
Thermal Sensitivity <0.045°C <0.04°C <0.035°C
Temperature Range -4°F to 1,202°F
(-20°C to 650°C)
Optional to 2,192°F (1,200°C)
bx: -4°F to 662°F (-20°C to 350°C)
-4°F to 2,192°F
(-20°C to 1,200°C)
bx: -4°F to 1202°F
(-20°C to 650°C)
-40°F to 1,202°F
(-40°C to 650°C)
Optional: to 3,632°F (2,000°C) bx:
-40°F to 662°F (-40°C to 350°C)
-40°F to 3,632°F
(-40°C to 2,000°C)
bx: -40°F to 1,202°F
(-40°C to 650°C)
Display Size / Format 3.5”/Landscape (Widescreen) 4.3”/Landscape (Widescreen)
Viewfinder - - - x
Measurement Modes 5 modes: 5 Spotmeters, 5 Area Boxes,
Isotherm, Auto hot/cold spot, Delta T
5 modes:10 Spots, 5 Area Boxes/Circles,
Isotherm, Auto hot/cold spot, Delta T
Spot Mode 5 moveable 10 moveable
Frame Rate 60 Hz 30 Hz
Field of View 25° × 19°
FOV Same as IR Lens x x x x
Optional Lenses 7: 6°, 15° Tele, 45° Wide, 90°; Close up: 100, 50 μm 6: 7° & 15° Tele, 45° Wide; Close-up: 80, 100, 50μm
Focus Manual and Automatic
Continuous Auto Focus - - - x
Min. Focus Distance 0.4 m (1.31 ft) 0.25 m (9.8 in.)
Radiometric JPEG to SD Card x x x x
MPEG4 to SD (Non-radiometric IR) x x x x
Thermal Palettes 12: Arctic, Gray, Iron, Lava, Rainbow, and Rainbow High Contrast (plus all inverted)
FLIR Tools for PC x x x x
Instant Report x x x x
Battery Operating Time >4hrs >2.5 hrs
Built-in Digital Camera 3.1 MP 5MP
Built-in Illuminator LED x x x x
Touchscreen x x x x
Digital Zoom 4x 8x 4x 8x
Insulation Alarm bx Model Only bx Model Only bx Model Only bx Model Only
Dewpoint Alarm bx Model Only bx Model Only bx Model Only bx Model Only
Meterlink® Connectivity x x x x
Laser Pointer x x x x
Laser Locator (on IR Image) x x x x
Compass - bx Model Only - bx Model Only
GPS - - x x
IR Window Correction x x x x
Delta T x x x x
Picture in Picture Scalable PIP   Scalable and Moveable  
Thermal / Visible Fusion x x x x
MSXTM Thermal Image Enhancement - x - x
Onscreen Sketching x x x x
Sketch on IR / Visual Image - x - x
Voice / Text Annotation x x x x
FLIR Tools Mobile app for
Apple® & Android™
x x x x
FLIR App Streaming Video x x x x
FLIR App Remote Control x x x x
Weight (Including Battery) 1.94 lbs (0.88 kg) 2.87 lbs (1.3 kg)

Bosworth Instrument 1995 E. 55th St.  Cleveland, OH 44103  |  800-804-6216  |  info@bosworthsupply.com

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