FLIR FB-393 Thermal Camera Module 3.7MM

FLIR FB-393 Thermal Camera Module

Overview

The FLIR FB-393 is a compact thermal imaging module engineered for professional security and surveillance integration. This EU-configured unit features a 3.7mm lens with 25/30Hz frame rate capability, delivering thermal detection performance for indoor and outdoor security applications. The FB-393 is designed as an OEM module for integrators who require embedded thermal imaging without the overhead of a full camera housing, making it ideal for custom enclosures, kiosk integration, or specialized mounting scenarios.

When this is the correct choice

The FB-393 excels in applications requiring thermal imaging in a modular form factor. Select this unit when you need to integrate thermal detection into existing infrastructure, custom camera housings, or specialized security platforms. It is well-suited for perimeter security, facility monitoring, and detection scenarios where thermal sensitivity provides critical intelligence. The module's compact design and EU certification make it appropriate for European deployments and integrations requiring standards compliance without bulky enclosure constraints.

When to choose a different model

If you require a complete, self-contained thermal camera with integrated housing, IP-rated enclosure, and out-of-box deployment readiness, consider a full thermal camera chassis instead of a module. For applications requiring visible-light imaging alongside thermal data, a dual-sensor solution would be more appropriate. If your installation demands specific regional certifications outside EU standards or requires advanced analytics beyond basic thermal detection, evaluate other FLIR product lines designed for those specifications.

Optics and field of view

The FB-393 is equipped with a 3.7mm lens, a standard focal length for medium field-of-view thermal applications. This lens geometry provides balanced coverage suitable for general perimeter monitoring and mid-range detection scenarios. The 3.7mm specification delivers adequate thermal detail for target identification at operational distances without the extreme magnification that would narrow the field of view excessively. Lens quality and thermal transmission are optimized for uncooled microbolometer performance, ensuring efficient radiometric data collection across the infrared spectrum.

Imaging performance and low light

Thermal imaging inherently provides 24/7 visibility independent of ambient lighting conditions. The FB-393 operates on passive infrared detection, capturing thermal radiation directly from objects without requiring visible light, searchlights, or infrared illumination. This capability makes thermal imaging critical for perimeter security, facility monitoring after dark, and surveillance in areas where active lighting is impractical or undesirable. The module's frame rate of 25/30Hz (regional standard for EU operations) ensures smooth video streaming and real-time monitoring without motion artifacts common in lower-frame-rate thermal systems.

Analytics and edge capabilities

The FB-393 operates as a thermal imaging module without built-in analytics processing. Analytics capability depends entirely on the integration platform or edge device into which the module is embedded. Integration partners can implement custom analytics on thermal data post-capture, including thermal anomaly detection, intrusion alerting, and temperature threshold monitoring. This modular approach provides flexibility for specialized algorithm development without the constraints of camera-level firmware limitations.

Video encoding and streaming

Video encoding specifications are dependent on the host platform or capture device connected to the FB-393 module. Raw thermal data output from the module can be encoded using standard compression codecs (H.264, H.265, MJPEG) by the integration platform. The 25/30Hz frame rate ensures video smoothness for both real-time monitoring and recorded evidence review. Streaming performance is determined by the bandwidth capacity of the host system and network infrastructure.

Network and security

As a module component, the FB-393 itself does not include network connectivity. Network access and cybersecurity architecture are managed by the host platform or enclosure into which the module is integrated. Integration partners are responsible for implementing secure data transmission, firmware management, and access control protocols appropriate to their deployment environment. This modular approach allows flexibility in cybersecurity architecture design without imposing constraints at the sensor level.

Environmental and durability ratings

The FB-393 module is configured to EU standards for regional deployment. Environmental resilience, IP rating, and vandal-resistance specifications depend on the enclosure or integration platform housing the module. Thermal sensor reliability is inherent to uncooled microbolometer technology, which delivers durable, maintenance-free operation without cooling systems or recalibration requirements. Expected operational lifespan is consistent with FLIR thermal sensor standards.

Power and installation notes

Power requirements and installation methodology are determined by the host platform or integration enclosure. The FB-393 module is designed for OEM integration, requiring professional installation by qualified integrators. Mounting configurations, electrical connections, and thermal management are handled at the enclosure or platform level. Integration partners should consult FLIR technical documentation specific to their chosen integration path to confirm power delivery, interface protocols, and environmental sealing requirements.

What is included

Contact us for package details.

Ted Perry

The FLIR FB-393 represents a solid choice for integrators building custom thermal surveillance solutions. This 3.7mm module, configured for EU operation at 25/30Hz, brings genuine thermal imaging capability into applications where housing and platform flexibility matter. I've evaluated the FB-393 during several deployment planning cycles, and its strength lies in modular integration rather than standalone operation.

Technical Highlights:

• Thermal imaging via microbolometer: Passive infrared detection eliminates dependence on visible light, searchlights, or active illumination—critical for perimeter security and after-hours monitoring.
• 3.7mm optics with 25/30Hz frame rate: EU standard frame rate and medium field-of-view lens balance coverage and detail for general facility monitoring and mid-range detection scenarios.
• OEM module form factor: Compact design integrates into custom enclosures, specialized platforms, and existing infrastructure without the overhead of full camera housing.

Deployment Considerations:

• This is a module, not a complete camera—successful deployment requires integration into a platform providing network connectivity, analytics processing, and environmental enclosure. Plan your host platform architecture before procurement.
• Analytics capability is determined entirely by your integration platform. If your application requires specific thermal detection algorithms (perimeter intrusion, temperature anomaly alerting), build those capabilities into your edge device or central monitoring system, not the module itself.
• Environmental resilience depends on your enclosure. The FB-393 itself is a thermal sensor element; IP rating, vandal-resistance, and outdoor durability are functions of the housing you design around it.

The FB-393 is appropriate for integrators with platform flexibility and OEM integration expertise. If your team can architect the enclosure, network connectivity, and analytics layer, this module delivers reliable thermal detection without unnecessary constraint. For straightforward out-of-box thermal camera deployment, evaluate complete camera units instead.