Imperx B4821 Review: CCD Imaging & Integration
Updated: 7 days ago
Imperx B4821 uses a KAI-16050 interline-transfer CCD. The reviewed native/maximum grid is 4920 × 3280, while the active area is 4896 × 3264. Its published cadence is configuration dependent. 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 B4821.
Quick Verdict
B4821 merits evaluation for large-field fine-feature inspection when the documented CCD image format and chosen receiving architecture fit the machine. The large retained image should be justified by useful feature detail across the field. Demonstrate the final optical and receiving arrangement with the actual inspection rather than selecting from the megapixel label.
B4821 Technical Specifications
Specification | Value or configuration |
Product | Imperx B4821 |
Image format | 4920 × 3280 |
Acquisition | Interline-Transfer Ccd Electronic Acquisition |
Interface | Camera Link Base/PoCL, GigE Vision/PoE or CoaXPress ordering versions |
Capture rate | 3.1 fps normal / 4.2 fps overclock in cited ICL datasheet |
Sensor | KAI-16050 interline-transfer CCD |
Optical format | 32.36 mm diagonal |
Active image area | 4896 × 3264 pixels |
Output scope | Exact monochrome/color and interface ordering code |
Lens scope | Match the selected sensor and ordering option |
Price | Request a quote |
Design and Optical Requirements
The large sensor field requires optics with sufficient image-circle coverage and contrast across the entire view. Check focus at the edges and normal object-height variation before relying on the dense pixel grid. The selected mount is an ordering decision. A lens that forms an image is not necessarily adequate for the smallest feature.
Acquisition Speed and Integration
The published rate is 3.1 fps normal / 4.2 fps overclock in cited icl datasheet. Camera Link, Ethernet and CXP are separate ordering arrangements with different receivers and power requirements. Match the exact output representation and delivered operating mode to the host. Exposure and readout contribute to timing, while analysis and result transfer add further work. Validate sustained acquisition and complete trigger-to-decision behavior under normal machine load.
Programming and Image Processing
Configure exposure, gain, retained image area and acquisition timing using the supported controls for the exact camera revision. Record the output representation and receiver settings with the inspection recipe. Determine which image corrections belong in the camera and which are performed in host software. Test representative good and faulty samples after a setting changes, and retain a reproducible commissioning configuration.
Image Data and Host Capacity
As an engineering estimate, a 4920 × 3280 frame represented as one uncompressed 8-bit value per pixel contains about 16.14 MB of pixel data, using decimal megabytes. This excludes transport overhead and metadata. It is a sizing example, not a measured camera transfer rate; other output representations change the data volume. Multiply the selected frame size by the planned acquisition rate when budgeting host memory, processing and storage, then validate the complete pipeline under realistic load.
B4821 Applications and Use Cases
A large-field fine-feature inspection task can merit a representative sample trial. The CCD architecture supplies image data rather than a validated defect decision. Evaluate normal finish and presentation variation alongside actual faults. Include the entire wide or dense field and check that small defects remain visible away from its center. Define what the station does when an image is absent or unsuitable.
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.
B4821 Price and Value
Price: Request a quote. Ask for the complete B4821 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 B4821 with a lower-resolution camera on how many useful samples the full field needs. A dense full image can reduce view subdivision, but optics, acquisition time and processing must support that choice.
Ordering, Environment and Lifecycle
The manufacturer distinguishes native or maximum output dimensions from the smaller active image area. Specify the delivered output mode and calibration field explicitly. Confirm the full interface prefix, sensor/output option, lens mount, firmware and current lifecycle; a published product page is not a delivery commitment. The ICL datasheet identifies 4.2 fps as overclock operation, with a separate normal rate. Do not transfer a restricted-region maximum to the full image.
Pros and Cons
Pros
A specific CCD sensor and image grid are documented.
Several receiving architectures can be quoted as separate configurations.
The chosen optical field can be evaluated against the actual feature requirement.
Cons
Native and active output regions need explicit selection.
The stated rate requires exact-mode confirmation.
Lifecycle, optics and receiving scope belong in the complete proposal.
Who Should Buy B4821?
Shortlist B4821 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.
B4821 FAQ
What image grids are distinguished?
4920 × 3280 is the reviewed native/maximum output grid; 4896 × 3264 is the stated active image area. Confirm the delivered mode.
Which sensor architecture is described?
KAI-16050 interline-transfer CCD. It should not be described as a CMOS model.
What receiving interface is needed?
Select the actual Camera Link, GigE/PoE or CXP ordering version and a compatible receiver.
What cadence is published?
3.1 fps normal / 4.2 fps overclock in cited ICL datasheet. Validate the complete inspection throughput separately.
Does the sensor eliminate exposure blur?
No. Movement during an exposure can still blur a feature; evaluate timing and illumination for the actual scene.
How should it be compared?
Compare B4821 with a lower-resolution camera on how many useful samples the full field needs. A dense full image can reduce view subdivision, but optics, acquisition time and processing must support that choice.
What is the price?
Price: Request a quote for the exact camera, optics, receiving hardware, power, cables and commissioning.
What should acceptance verify?
Verify feature contrast, selected image area, acquisition diagnostics and the actual result associated with each inspected object.
Price: Request a quote. Final configuration, pricing, availability and support terms depend on the supplier's current quotation.
