Description
BASLER A404KM-RT | 4MP Monochrome Camera Link Industrial Camera
Architect’s Product Breakdown
The Basler A404KM-RT is a high-performance 4-megapixel monochrome industrial area scan camera designed for high-speed automated optical inspection (AOI), electronics manufacturing, and precision measurement cells. Driven by a progressive scan CMOS sensor featuring a global electronic shutter, the unit captures sharp, distortion-free images of fast-moving components at frame rates up to 96 frames per second at full resolution. The “-RT” suffix highlights a specific hardware revision tailored for enhanced thermal stability and RoHS compliance, while the “KM” designation signifies a monochrome high-sensitivity sensor variant paired with a robust Camera Link data interface.
Integrating the A404KM-RT into a high-speed machine vision cell requires precise configuration of the multi-tap Camera Link frame grabber architecture, stable 12 VDC power delivery, and secure optical alignment via F-mount lens assemblies. Because the onboard FPGA handles real-time dark signal non-uniformity (DSNU) and photo response non-uniformity (PRNU) corrections to eliminate fixed pattern noise, the camera delivers immaculate raw data streams directly to the host system. Proper thermal management and enclosure airflow are essential to keep the housing below its operational threshold during continuous maximum-throughput runs.
A404KM-RT
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | Basler |
| Model Number | A404KM-RT (Variant: A404KM / A404K series) |
| Sensor Type | Progressive Scan CMOS (Global Shutter) |
| Resolution | 2352 x 1726 pixels (4 Megapixel class) |
| Chroma | Monochrome (KM = Monochrome variant) |
| Maximum Frame Rate | Up to 96 fps at full resolution |
| Digital Video Output | Camera Link (Medium / Full configurations) |
| Lens Mount | F-mount (Standard for A400 4MP high-resolution series) |
| Power Supply | 12 VDC (±10%), Max ~9.0 W |
| Operating Temperature | 0°C to 50°C (Standard Industrial Environment) |
Field Engineer’s Pitfall Guide
- Electrostatic Discharge (ESD) and Sensor Contamination: Warning: The internal CMOS pixel array and high-speed Camera Link transceivers are exceptionally vulnerable to electrostatic discharge and airborne particulates. Always wear a grounded ESD wrist strap and leave the protective optical cap threaded on until mounting the lens in a clean environment.
- Camera Link Cable Length Limits and Tap Mismatches: Do not exceed standard Camera Link distance recommendations or attempt to run mismatched tap geometries in your frame grabber software. Using unshielded cables over 5 meters or incorrect tap configurations leads to immediate synchronization loss and garbled image frames at 96 fps.
- Thermal Overload from Enclosure Restrictions: Running this 4MP sensor continuously at its maximum 96 fps throughput increases internal power dissipation. If trapped in a sealed, unventilated cabinet, thermal noise creeps into the pixel matrix, degrading signal-to-noise ratios and causing false inspection triggers.
QA & Testing SOP (Transparency)
- Visual & Mechanical Audit: Incoming cameras are audited under optical magnification for housing wear, F-mount flange alignment, thread condition, and authentic OEM labeling.
- Bench Power Rail & Signal Testing: Technicians verify 12 VDC input power draw, ground plane isolation, and multi-pin trigger I/O connector line continuity under static bench conditions.
- Live Frame Grabber & Sensor Calibration: The camera is connected via Camera Link to a certified test station frame grabber. It undergoes sensor flat-field correction verification, stuck/dead pixel checks, and PRNU/DSNU hardware shading correction tests.
- Full-Frame 96 FPS Burn-In Run: The A404KM-RT undergoes an extended stress test operating at maximum frame rate (96 fps) via a Camera Link Full configuration to confirm frame stability, hardware trigger response, and thermal equilibrium prior to anti-static packaging.
Technical FAQ
What does the “-RT” suffix indicate on this Basler camera model?
The “-RT” designation denotes specific hardware revisions aligned with compliance standards (such as RoHS requirements) and optimized component sourcing for long-term industrial deployment.
What frame grabber configuration is required to operate at 96 fps?
To achieve the maximum 96 fps frame rate at full 2352 x 1726 resolution, you must pair the camera with a Camera Link frame grabber capable of supporting an 8-tap, 8-bit “Full” configuration.
Can I use C-mount lenses directly on the A404KM-RT?
Because the features a large 1 1/4″ optical sensor format, standard C-mount lenses will cause severe optical vignetting (dark corners). An F-mount adapter and corresponding large-format industrial lenses must be utilized.
How is external trigger synchronization handled on this model?
Triggering can be accomplished either via the Camera Link control lines (CC1–CC4) or through the dedicated rear Hirose multi-pin I/O connector, allowing microsecond-accurate strobe and part-in-place synchronization.
