TILO VideoChecker Camera Testing Light Booth
| Origin | Guangdong, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | VideoChecker |
| Pricing | Upon Request |
Overview
The TILO VideoChecker Camera Testing Light Booth is a precision-engineered optical calibration and evaluation system designed specifically for objective, repeatable imaging performance assessment of digital cameras, smartphone modules, automotive ADAS sensors, and industrial vision systems. It operates on the principle of controlled, spectrally stable illumination under standardized CIE-compliant lighting conditions—enabling quantitative measurement of color fidelity, white balance accuracy, exposure linearity, lens flare, and dynamic range across varying photometric parameters. Unlike generic light cabinets, the VideoChecker integrates metrologically traceable light sources (D65, TL84, F) with real-time intensity modulation, spatial uniformity optimization (>80% uniformity per IEC 61223-3-5), and mechanically adjustable test geometry—making it suitable for ISO/IEC 17025-accredited laboratories, R&D validation labs, and production-line QA/QC stations where lighting consistency directly impacts image algorithm training and sensor qualification.
Key Features
- CIE-standardized multi-source illumination: Primary D65 (6500 K, 18 W) simulating daylight; secondary TL84 (4000 K, 18 W) for retail lighting simulation; tertiary F (2700 K, 40 W) for warm ambient reference—all certified to CIE Publication No. 51 and ISO 12040.
- Digital microprocessor-controlled source switching: Enables millisecond-level transitions between lighting modes without thermal drift or spectral shift—critical for automated multi-illuminant test sequences.
- Continuous dimming from 1% to 100% output (750–3200 lux at 70 cm), calibrated against NIST-traceable photometers and compliant with ASTM E308 spectral integration protocols.
- Neutral grey (Munsell N5) non-reflective interior surface with matte-finish absorption coefficient >95%, minimizing stray light and ensuring high contrast fidelity during MTF or SNR measurements.
- Motor-assisted height adjustment (70 cm standard, ±30 cm range) via ergonomic hand-crank mechanism—allowing precise control over working distance (WD) to meet ISO 12233 slanted-edge or ISO 15739 noise analysis requirements.
- Integrated usage logging: Independent runtime counters for each lamp group support preventive maintenance scheduling and GLP-compliant audit trails per FDA 21 CFR Part 11 Annex 11 guidelines.
Sample Compatibility & Compliance
The VideoChecker accommodates imaging devices ranging from 1/4″ to 1″ optical format sensors, including board-level camera modules, embedded vision systems, and compact machine vision lenses. Its modular lamp configuration permits rapid reconfiguration for standardized test charts (e.g., ISO 12233 resolution chart, ISO 15739 grayscale target, X-Rite ColorChecker Passport). All light sources comply with IEC 61000-3-2 harmonic emission limits and carry CE marking for electromagnetic compatibility. The booth meets Class II safety requirements per IEC 62471 for LED and fluorescent lamp photobiological safety. Optional accessories—including collimated diffuser panels, ND filters, and mounting adapters—are available to extend compliance with ISO/IEC 17025 method validation procedures.
Software & Data Management
While the VideoChecker operates as a standalone hardware platform, its programmable relay interface (RS-232 / TTL logic level) enables synchronization with third-party imaging software (e.g., Imatest, DxO Analyzer, MATLAB Image Processing Toolbox) for fully automated illumination-triggered capture sequences. Firmware supports timestamped event logging with UTC sync, exportable in CSV format for integration into LIMS or MES platforms. Audit trail functionality records operator ID (via optional RFID badge reader), lamp activation history, intensity settings, and duration—ensuring full traceability required under ISO 9001:2015 Clause 8.5.2 and GMP Annex 11.
Applications
- Camera module OQC: Verification of auto-white balance convergence, color rendering index (CRI ≥90 for D65), and gamma response across multiple illuminants.
- ADAS sensor validation: Evaluation of low-light sensitivity, HDR behavior, and chromatic aberration under mixed-spectrum conditions (e.g., D65 + F).
- Machine vision system calibration: Establishing consistent illumination baselines for OCR accuracy, defect detection repeatability, and dimensional measurement stability.
- Academic optical research: Controlled stimulus delivery for psychophysical experiments, spectral sensitivity mapping, and lens transmission characterization.
- Standards laboratory use: Supporting inter-laboratory comparison studies aligned with ISO/IEC 17043 proficiency testing schemes.
FAQ
What standards does the D65 source comply with?
The D65 lamp meets CIE S 014-2/E:2020 spectral power distribution specifications and is validated per ISO 12040:2021 for colorimetric testing applications.
Can the VideoChecker be integrated into an automated test station?
Yes—via RS-232 serial command protocol or dry-contact trigger input, enabling synchronization with robotic handlers, shutter controllers, and image acquisition software.
Is firmware update capability available?
Firmware upgrades are delivered via USB flash drive and supported by TILO’s technical documentation portal (accessible under NDA for qualified customers).
What is the expected service life of each lamp type?
D65 and TL84 lamps: ≥5,000 hours at rated output; F lamp: ≥3,000 hours—based on IEC 62717 accelerated lifetime testing at 25°C ambient.
Does the system support photometric recalibration?
Yes—TILO provides factory recalibration services traceable to PTB (Physikalisch-Technische Bundesanstalt) standards, with calibration certificates issued per ISO/IEC 17025 requirements.
