3nh YG45 45° Precision Gloss Meter

Overview

The 3nh YG45 45° Precision Gloss Meter is a manually operated optical instrument engineered for reliable, high-reproducibility surface gloss measurement in industrial quality control environments. It operates on the principle of specular reflectance at a fixed 45° incident angle—per ASTM D523 and ISO 2813—where a collimated beam illuminates the sample surface, and the intensity of reflected light within the specular direction is quantified relative to a reference standard (typically a black glass tile calibrated at 100 GU). This geometry is especially suited for medium-to-high gloss surfaces such as coated papers, printed films, automotive clear coats, ceramic glazes, and anodized aluminum, where 45° provides enhanced sensitivity compared to conventional 20° or 60° geometries for semi-gloss and high-gloss materials. The YG45’s optical architecture integrates a stabilized LED source, precision-aperture optics, and a photodiode detector with temperature-compensated signal processing to minimize drift and ensure long-term stability under variable ambient conditions.

Key Features

• Human-centered ergonomic design with smooth curvature and balanced weight distribution, enabling fatigue-free operation during extended shift-based inspection routines.
• Four operational modes: Basic (instant single-shot measurement), Statistical (mean, min/max, SD, CV calculation across batches), Continuous (real-time monitoring at 0.5 s intervals), and Quality Control (user-defined upper/lower limits with pass/fail visual feedback and audible alert).
• Ultra-low power consumption: Delivers ≥10,000 measurements per AA battery charge—ideal for mobile field use or remote production lines without access to continuous power.
• Integrated calibration verification: Automatically checks spectral response and reflectance baseline against the included certified calibration tile before each session; supports both automatic and manual recalibration procedures.
• Robust mechanical construction with IP52-rated enclosure, optimized for factory-floor durability while maintaining laboratory-grade repeatability (±0.5 GU below 100 GU; ±0.5% GU above).
• USB 2.0 interface compliant with Windows OS (7/10/11), enabling direct firmware updates, synchronized data transfer, and real-time display mirroring via GQC6 software.

Sample Compatibility & Compliance

The YG45 accommodates flat, curved, or textured surfaces with minimal topographical constraints due to its 10 × 13 mm rectangular aperture—suitable for rigid substrates (e.g., porcelain tiles, metal panels, injection-molded housings) and flexible media (e.g., BOPP films, laminated packaging, coated paperboard). Its 45° geometry aligns with industry-specific standards including TAPPI T480 (paper and board), ASTM D2457 (plastics), and GB/T 9754 (Chinese national standard for coatings). Instrument validation meets JJG 696 requirements for working gloss meters, covering linearity, angular tolerance, stray light rejection, and thermal stability. While not FDA 21 CFR Part 11–certified out-of-the-box, audit trails, electronic signatures, and report export functions in GQC6 support GLP/GMP-aligned documentation workflows when deployed with appropriate procedural controls.

Software & Data Management

The bundled GQC6 Quality Control Software provides full traceability for regulated environments. It enables batch-level metadata tagging (operator ID, timestamp, lot number, location), customizable report templates (PDF/CSV/XLSX), SPC charting (X-bar/R, Cpk/Ppk), and automated pass/fail flagging based on configurable specification limits. All stored measurements—including raw values, statistics, and mode-specific context—are encrypted during USB transfer and retain time-stamped audit logs. Software supports multi-instrument fleet management, allowing centralized firmware version tracking and calibration history synchronization across distributed manufacturing sites.

Applications

• Coatings & Inks: Monitoring gloss consistency of automotive basecoats, architectural paints, and gravure-printed inks across drying stages.
• Packaging: Verifying surface finish uniformity of metallized PET films, laminated pouches, and embossed cardboard prior to lamination or printing.
• Ceramics & Building Materials: Quantifying glaze reflectivity of sanitaryware, floor tiles, and engineered stone to meet EN 101 and ISO 10545-15 specifications.
• Electronics: Assessing anti-glare treatment efficacy on display cover glasses and housing finishes for consumer devices.
• Automotive Interiors: Validating gloss matching between instrument panels, door trims, and center consoles under controlled lighting per VDA 231-101.

FAQ

What standards does the YG45 comply with?
It conforms to JJG 696 (China’s national verification regulation for working gloss meters), and its 45° geometry satisfies ASTM D523, ISO 2813, and GB/T 9754 for comparative gloss evaluation.
Can the YG45 measure curved or irregular surfaces?
Yes—the 10 × 13 mm aperture allows stable contact measurement on gently curved surfaces (radius ≥50 mm); however, highly convex or concave geometries may require auxiliary fixtures for consistent angle alignment.
Is GQC6 software compatible with macOS or Linux?
No—GQC6 is Windows-native (x64 only); cross-platform data exchange is supported via CSV export and third-party SPC tools.
How often should the calibration tile be recertified?
Annual recalibration by an accredited metrology lab is recommended; the instrument’s self-check function verifies tile integrity before each use but does not replace periodic traceable certification.
Does the YG45 support Bluetooth or Wi-Fi connectivity?
Not natively—but optional Bluetooth 5.0 adapters (sold separately) enable wireless data streaming to Windows tablets or industrial HMIs running GQC6-compatible middleware.