FLIR Chameleon3 USB3 CMOS Camera
| Brand | FLIR |
|---|---|
| Origin | Canada |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Chameleon3 USB3 |
| Image Resolution | 1288 × 964 |
| Pixel Size | 3.75 µm |
| Physical Dimensions | 44 mm × 35 mm × 19.5 mm (including housing) |
| Onboard Memory | ≥2 GB RAM |
| Frame Rate | 30 FPS |
| Dynamic Range | 58.77 dB |
| Quantum Efficiency | 46% @ 470 nm |
Overview
The FLIR Chameleon3 USB3 CMOS Camera is an industrial-grade imaging solution engineered for integration into automated inspection systems, machine vision applications, and scientific imaging platforms requiring compact form factor, plug-and-play connectivity, and reliable performance under controlled lighting conditions. Built around a global-shutter CMOS image sensor, the Chameleon3 operates on the USB 3.0 (SuperSpeed) interface, delivering high-bandwidth data transfer with low-latency frame delivery—critical for real-time analysis in production-line environments. Unlike rolling-shutter architectures, its global shutter ensures pixel-synchronized exposure across the entire sensor array, eliminating motion-induced skew or distortion when capturing fast-moving objects. The camera’s optical format and pixel geometry are optimized for compatibility with standard C-mount lenses, enabling seamless integration into existing optical setups without custom adapters.
Key Features
- USB 3.0 interface with GenICam-compliant protocol stack, ensuring interoperability with major machine vision software frameworks including HALCON, OpenCV, and Common Vision Blox
- Compact board-level design (44 × 35 × 19.5 mm), facilitating embedding into space-constrained enclosures or OEM equipment
- Global shutter CMOS sensor with 1288 × 964 active pixels and 3.75 µm square pixel pitch, balancing resolution, sensitivity, and fill factor
- Onboard 2 GB RAM buffer supporting burst capture, firmware-over-USB updates, and metadata tagging of individual frames
- Configurable exposure time, gain, and trigger modes (free-run, software-triggered, hardware-triggered via GPIO)
- Industrial-grade thermal and mechanical stability: operational temperature range from 0 °C to 50 °C; conformal coating available upon request for enhanced environmental resilience
Sample Compatibility & Compliance
The Chameleon3 is designed for use with reflective, transmissive, and fluorescence-based sample illumination configurations typical in industrial metrology, PCB inspection, biomedical slide scanning, and precision alignment tasks. Its quantum efficiency profile—peaking at 46% at 470 nm—makes it particularly suitable for blue-light excitation applications such as UV-curable adhesive monitoring or LED binning. The camera complies with CE, FCC Class B, and RoHS directives. While not certified for medical device use per IEC 62304 or ISO 13485, it meets functional safety requirements for non-diagnostic automation per ISO 13849-1 PLc. Firmware supports user-configurable LUTs and flat-field correction, enabling traceable calibration workflows aligned with ISO/IEC 17025 laboratory practices.
Software & Data Management
FLIR provides the Spinnaker SDK—a cross-platform (Windows/Linux/macOS), open-source–friendly API supporting C++, Python, C#, and MATLAB bindings. The SDK includes built-in support for GenTL transport layers, enabling direct integration with third-party acquisition engines. All captured frames embed timestamping accurate to ±1 µs (via internal hardware clock synchronized to USB SOF), supporting time-correlated multi-sensor experiments. Metadata—including exposure settings, sensor temperature, and GPIO state—is embedded in each frame’s header, ensuring full auditability for GLP/GMP-aligned quality documentation. No proprietary drivers are required; the camera enumerates as a UVC-compliant device for basic preview functionality.
Applications
- Automated optical inspection (AOI) of microelectronics, solder joints, and surface defects
- Real-time dimensional metrology using sub-pixel edge detection algorithms
- Fluorescence imaging in life science research where moderate QE and global shutter are prioritized over ultra-low noise
- Embedded vision modules in robotics guidance and pick-and-place verification systems
- Time-lapse documentation in materials testing and packaging integrity validation
- Calibration reference instrumentation for optical system alignment and MTF characterization
FAQ
Is the Chameleon3 compatible with Linux-based embedded systems?
Yes—the Spinnaker SDK provides native ARM64 and x86_64 binaries for Ubuntu LTS and Debian distributions, with documented support for NVIDIA Jetson platforms.
Does the camera support hardware synchronization with other devices?
Yes—it features a programmable GPIO interface supporting TTL-level input/output for external triggering, strobe synchronization, and encoder pulse counting.
Can I perform radiometric calibration with this model?
While the Chameleon3 does not include factory-installed NIST-traceable radiometric calibration, its linear response and stable gain/exposure control enable user-performed flat-field and dark-frame correction per ASTM E2720 standards.
What is the maximum cable length supported for USB 3.0 operation?
Up to 3 meters with passive cables; active optical USB 3.0 extenders support distances up to 100 meters while maintaining full bandwidth and timing fidelity.
Is firmware update capability available in-field?
Yes—firmware updates are performed over USB using the Spinnaker SDK or FLIR’s Camera Explorer utility, with rollback protection and CRC-verified flashing sequences.
