Longwave Infrared Thermal Camera


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The FLIR A6750 SLS longwave camera is the ideal choice for high-speed thermal events and fast moving targets. It offers extremely short integration times and windowed frame rates above 4,000 Hz, so you can freeze motion or achieve accurate temperature measurements on moving subjects. The 327,680 (640 x 512) pixel IR resolution and high sensitivity produce crisp imagery, well suited to electronics inspections, medical thermography, and more.

Affordable, Flexible Solution For Lwir Thermal Analysis

  • Fast Integration Times

    FLIR A6750 SLS capture all pixels from a scene simultaneously in under 190 µs with full frame-rates of 125 Hz—both crucial to imaging fast-moving objects.

  • Standard Video Interfaces

    Gigabit Ethernet and analog video are simultaneously active yet independently controlled allowing greater flexibility for recording and display purposes.

  • Custom Cold Filters

    Add custom cold filters for spectral detection to image through glass, measure the temperature of thin film plastics, and more.

Connectivity and Compatibility

Connectivity and Compatibility

The FLIR A6750 SLS is plug-and-play with third-party software, and works seamlessly with FLIR ResearchIR for intuitive viewing, recording, and advanced processing of thermal data. Use the optional SDK for integration into your own custom software program.

Detector Type
Strained Layer Superlattice (SLS)
Dynamic Range
Integration Time
480 ns to 687 sec
2 × 1/4"-20, 1 × 3/8"– 16, 4 × 10/24
24 VDC ( <50 W steady state)
Size [L x W x H ] w/o Lens
7.7" x 4.0" x 4.0"
Spectral Range
7.5 - 10.5 µm
Weight [without lens]
5 lbs / 2.3 kg
Well Capacity
7.2 M electrons
Connections & Communications
Analog Video
Synchronization Modes
Sync In, Sync Out, Trigger In
Operating Temperature Range
-20°C to 50°C (-4°F to 122°F)
Optional Temperature Range
Up to 1,500°C (2,732°F); up to 2,000°C (3,632°F); up to 3000°C (5432°F)
Standard Temperature Range
-20°C to 650°C (-4°F to 1,202°F)
Storage Temperature Range
-55°C to 80°C (-67°F to 176°F)
Imaging & Optical
Manual, Linear, Plateau Equalization, DDE
Analog Palettes
Grayscale + Color
Available Lenses
13 mm, 25 mm, 50 mm, 100 mm, 200 mm
Camera f-number
f/2.5 or f/4.0
Close-up Lenses/Microscopes
Detector Pitch
15 µm
Digital Data Protocol
Gigabit Ethernet (GigE Vision 2.0)
Digital Zoom
Video Zoom is Auto Selected: Full Res = 1×, 1/4 Res = 2×
Behind the Lens, Custom Cold Filtering
Frame Rate [Full Window]
125 Hz
HD Video
Max Frame Rate [at Min Window]
4,175 Hz (16 × 4)
Snapshot (FLIR 4 Channel)
Readout Modes
Asynchronous Integrate While Read; Asynchronous Integrate Then Read
640 × 512
Sensor Cooling
Closed Cycle Rotary
Subwindow Modes
User Defined Size, Centered in Image
Command and Control
Gigabit Ethernet and RS-232
Measurement & Analysis
±2°C or ±2% of reading
<45 mK (< 40 mK typical)
Thermal Imaging
Detector Resolution
640 × 512
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Export Restrictions

Export Restrictions

The information contained in this page pertains to a dual use product controlled for export by the Export Administration Regulations (EAR). Diversion contrary to US law is prohibited. US Department of Commerce authorization is not required prior to export or transfer to foreign persons or parties unless otherwise prohibited.