FLIR FB-393-O Thermal Security Camera

FLIR FB-393-O Thermal Security Camera

FLIR FB-393-O Thermal Security Camera

  • 320 x 240
  • Uncooled VOx Microbolometer
  • 30Hz Frame Rate
  • 3.7mm
  • 17 μm Pixel Pitch
  • FoV: 93°
  • F/#: F1.3
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FLIR FB-393-O™ Thermal Security Camera

Affordable thermal camera for wide area instruction detection.

The FLIR FB-393-O camera introduces thermal image detail in a bullet-type form factor, ideal for wide area intrusion detection. Combined with external video analytics the FB-393-O is an ideal choice for intrusion detection and sterile-zone monitoring, at short to medium range distances. Implemented with FLIR’s award-winning thermal technology, FB-Series O is designed to handle challenging environments, harsh weather conditions and can operate in complete darkness.


The FB-Series O's crisp thermal imaging sees potential threats, day or night, and is ideal for use with FLIR TRK analytics encoders that classify humans and vehicles, and hand-off targets for PTZ tracking. Narrow and wide lens options also offer flexible coverage.


The FB-Series O is fully integrated and certified by third party video management systems, as well as FLIR United VMS, which enables additional thermal configuration and alarm management.


Built by FLIR, the FB-Series O utilizes the same award-winning thermal sensor technology used in all of FLIR's award-winning perimeter protection thermal cameras, with an unmatched warranty of 10 years for the sensor, and three years for the camera body.


Model: FB 3xx Series O
Array Format (NTSC) 320 × 240
Detector Type Long-Life, Uncooled VOx Microbolometer
Spectral Range 8 μm to 14 μm
Effective Resolution 76,800 pixels
Pixel Pitch 12μm/17μm (see chart)
Thermal Frame Rate NTSC: 30 Hz - PAL: 25 Hz / 8.3 Hz
Optical Characteristics: Model Field of View F#, Focal Length Pixel Pitch
  FB-393 O


f/1.3, 3.7 mm

  FB-349 O 49°

f/1.3, 6.8 mm

  FB-324 O


f/1.0, 12.8 mm 17μm
  FB-312 O


/1.0, 18 mm

  FB-309 O

f/1.0, 24 mm

Focus Range Athermalized, focus-free
Sensitivity <50mK
Composite Video NTSC or PAL Hybrid system with IP & analog video
Video Compression Two independent channels of H.264 and MJPEG)
Streaming Resolution Native: 320 x 256
Thermal Image Settings Auto AGC, Dynamic Detail Enhancement (DDE), Brightness, Sharpness, Contrast
Thermal AGC Region of Interest (ROI) Default, Presets and User definable to insure optimal image quality on subjects of interest
Image Uniformity Optimization Automatic Flat Field Correction (FFC); Thermal and Temporal Triggers
Ethernet 10/100 Mbps
External Analytics Compatible Yes
Network Protocols IPV4, HTTP, Bonjour, UPnP, DNS, NTP, RTSP, RTCP, RTP, TCP, UDP, ICMP, IGMP, DHCP, ARP
Network APIs Nexus SDK for comprehensive system control and integration;
Nexus CGI for http command interfaces; ONVIF Profile S
Dimensions (L, W, H) 285 x 96 x 94 mm/11.1” x 3.8” x 3.7”
With sunshield and fully extended mounting arm
Dry Contacts (I/O) Input: 1 relay contact Output: 1 relay contact, 300V AC / DC at 130 mA max connection terminal block
Input Voltage 12 VDC
Power Consumption

12 VDC: 17 W (maximum with heaters)
24VAC : 13 VA (maximum with heaters)
24VDC : 13 W (maximum with heaters)
PoE: 13 W

IP Rating (Dust & Water Ingress) IP66
Operating Temperature Range 40° to 50° C (-40° to 122° F) Cold Start
Storage Temperature Range -40° to 70° C (-40° to 158° F)
Humidity 10%-90% relative humidity
Regulatory FCC Part 15 (Subpart B, Class A), CE marked, EN55032, EN55024, RoHS, WEEE


FLIR FB-Series O - Easy Integration

Easy Integration

FB-Series is integrated and certified by 3rd party video management systems, as well as FLIR United VMS.

FLIR FB-Series O - Support Analytics

Supports analytics

The FB-Series O works out of the box with FLIR analytic encoders.

FLIR FB-Series O - Enhanced Image Contrast | FLIR Systems

Enhanced Image Contrast

Advanced AGC, plus FLIR's Digital Detail Enhancement (DDE), provides optimal image quality in all scenes

FLIR FB-Series O - Lens Options | FLIR Systems

Lens Options

Narrow and wide lens options offer several choices of coverage.

FLIR FB-Series O - Warranty

FLIR 10/3 warranty

FB-Series O warranty features 10 years for the thermal sensor and three for the camera.

FLIR FB-Series O - Video Outputs

Video outputs

FB-Series O offers simultaneous IP and analog video outputs for use with network and legacy analog systems.