Chromasens chromaPIXA Review: Inline Color Measurement
Updated: 7 days ago
chromaPIXA is a CCD color line-scan family with calibrated color-space output. Its value is a reproducible inline color measurement recipe, with optics, illumination and scanning geometry included. Select the exact line width and documented receiving mode. Price: Request a quote.
The camera should be selected as part of an imaging system rather than evaluated from one headline specification. The useful result is an image that reveals the required feature at the right time, followed by a reliable inspection or measurement decision. This review considers the documented acquisition package, optical implications and practical purchasing scope for chromaPIXA.
Quick Verdict
chromaPIXA merits evaluation when a moving surface must be assessed by a color-based criterion and a calibrated line-scan arrangement fits the machine. Outputting a named color space simplifies some analysis, but it does not establish a universal color-measurement accuracy. Define the material, lighting and tolerance before choosing a model.
chromaPIXA at a Glance
Product: Chromasens chromaPIXA
Image format: Ordered trilinear line width; constructed image height is scan dependent
Acquisition: Trilinear Ccd Line-Scan Acquisition
Interface: Camera Link
Capture rate: Model-specific line frequency; current 7.3K entry 29 kHz
Sensor architecture: Trilinear RGB CCD
Line widths: Model-specific 2048 to 7300 spatial pixels
Pixel pitch: 10 µm
Color output: Configured RGB spaces, CIE-L*a*b* or CIE-XYZ
Receiving: Camera Link; exact configuration dependent
Calibration software: chromaCalc
7.3K rate scope: Current model page: 29 kHz; older datasheet: 29.7 kHz
Price: Request a quote
chromaPIXA Technical Specifications
Specification | Value or configuration |
Product | Chromasens chromaPIXA |
Image format | Ordered trilinear line width; constructed image height is scan dependent |
Acquisition | Trilinear Ccd Line-Scan Acquisition |
Interface | Camera Link |
Capture rate | Model-specific line frequency; current 7.3K entry 29 kHz |
Sensor architecture | Trilinear RGB CCD |
Line widths | Model-specific 2048 to 7300 spatial pixels |
Pixel pitch | 10 µm |
Color output | Configured RGB spaces, CIE-L*a*b* or CIE-XYZ |
Receiving | Camera Link; exact configuration dependent |
Calibration software | chromaCalc |
7.3K rate scope | Current model page: 29 kHz; older datasheet: 29.7 kHz |
Price | Request a quote |
Design and Optical Requirements
The sensor width and optical field need to preserve the smallest relevant color feature. Trilinear channels observe displaced scan positions, so motion and registration contribute to the combined image. Select optics with adequate coverage and evaluate illumination across the entire line. Stable spectral illumination matters because a changed light source can alter the color interpretation even when spatial focus remains good.
Acquisition Speed and Integration
Line frequency must be paired with sensor width and Camera Link mode. The current 7.3K model page lists 29 kHz, while the older family datasheet gives 29.7 kHz. Use the current confirmed operating point in the quotation rather than silently combining those figures. Establish encoder or trigger synchronization and validate the complete scan through the receiver and host analysis.
Programming and Image Processing
The supplier describes chromaCalc calibration with reference color charts and configured output color spaces. Define the reference and selected color transform around the material and lighting. Keep the calibrated recipe with the inspection configuration. A new light, optical setup or material process should be checked against representative samples before the previous tolerance is reused.
Image Data and Host Capacity
Budget line width, channel representation and actual line frequency together, including the selected color output and receiver mapping. Constructed image height depends on transport and retained scan length. Include buffers, calibration transforms and the final analysis. A displayed color-space conversion is part of the processing scope rather than extra independent sensor channels.
chromaPIXA Applications and Use Cases
Print, web and surface color inspection can merit a calibrated trial. Include normal material variation, small localized faults and color differences close to the acceptance limit. Define how measurements from the line image are aggregated into a part or area result. A whole-surface average can hide a localized defect that a regional decision would detect.
Building a Useful Acceptance Trial
Prepare representative parts or scenes that include the smallest required feature, normal production variation and realistic faults. Confirm the field of view and exposure before tuning the inspection. Record wrong accepts, wrong rejects, missing frames and the complete trigger-to-decision timing. A trial should also show what happens when the expected image is absent or unusable. This connects camera selection to the station's actual acceptance requirement rather than relying on a sharp reference picture.
chromaPIXA Price and Value
Price: Request a quote. Ask for the complete chromaPIXA ordering code and an itemized scope covering the camera, suitable optics, receiving hardware, cables, power and commissioning. Compare quotations for the same image format, acquisition mode and integration scope. The cost of a camera component is different from the cost of a working inspection station. Evaluate any financial return with the plant's actual labor, defect, rework and maintenance data; no universal payback period follows from these specifications.
Comparison and Selection
Compare chromaPIXA with an ordinary RGB line camera on the actual need for calibrated color-space output and the required repeatability. Compare it with a point spectrophotometer when the task needs another measurement method or spectral information. Their spatial and spectral scopes differ, so matching a displayed L*a*b* value is not sufficient to treat the systems as interchangeable.
Ordering, Environment and Lifecycle
Require the exact CP code, sensor-line width, firmware and receiving mode. The supplied entry describes chromaCalc and color-chart calibration, while current model pages use a broader portfolio format. Confirm which calibration and output functions are supported by the delivered arrangement. Preserve the illumination, reference and scan conditions with the inspection recipe.
Pros and Cons
Pros
Documented calibrated color-space output workflow.
Several line widths support different optical fields.
Camera Link and calibration scope can be specified together.
Cons
Color performance depends on the complete calibration arrangement.
Motion and illumination influence spatial and color repeatability.
Published rate summaries differ and require exact-mode confirmation.
Who Should Buy chromaPIXA?
Shortlist chromaPIXA when its documented sensor, interface and acquisition mode match the imaging task and the team can demonstrate the complete host pipeline. Use the sample trial to establish whether the relevant features remain distinguishable under the expected lighting, presentation and motion. Before purchase, settle the optical configuration, ordering variants and support requirements. The best choice is the configuration that satisfies the acceptance criteria with a maintainable system architecture.
chromaPIXA FAQ
Is chromaPIXA an area-image camera?
It acquires trilinear color lines; an area image is constructed over scanning motion.
What output distinction is described?
The family datasheet describes configured RGB spaces and CIE-L*a*b* or CIE-XYZ output.
Does a named output space guarantee measurement accuracy?
No. The calibration, illumination, optics, material and method must meet the required conditions.
What rate applies to 7.3K?
The current model page lists 29 kHz; the older family datasheet gives 29.7 kHz. Confirm the delivered mode.
What receiving interface is described?
Camera Link, with the exact configuration matched to the receiver.
How should color be accepted?
Use the specified color method and tolerance with representative material and a controlled imaging recipe.
What is the price?
Price: Request a quote for the camera, optics, illumination, calibration and receiving scope.
What should the trial verify?
Verify channel registration, color repeatability, scan geometry and the actual regional or part acceptance decision.
Price: Request a quote. Final configuration, pricing, availability and support terms depend on the supplier's current quotation.
