Luminous Afterglow Performance Tester
The Luminous Afterglow Performance Tester is a precision instrument designed to evaluate the afterglow characteristics of textiles, including fibers, yarns, fabrics, and powders. It measures the brightness and decay time after excitation, providing quantitative data for luminescent materials. The system features automated measurement, data recording, and sample switching for efficient, repeatable testing.
Application
The instrument is widely used in:
Textile R&D: Evaluating luminescent fibers, yarns, and glow-in-the-dark fabrics.
Quality Control: Ensuring consistent afterglow performance in production batches.
Specialty Materials: Testing photoluminescent coatings, powders, and textiles.
Safety Textiles: Evaluating visibility features in reflective and emergency fabrics.
Educational and Research Institutions: Studying luminescence properties in textiles and materials science.
Standards
Chinese Standards:
GB/T 43716-2024: Textiles – Test Method for Luminous Afterglow Performance – Photometer Method
International Standards (Expanded Reference):
ISO 17398: Photoluminescent materials – Determination of afterglow properties
ASTM E2072: Standard Test Method for Photoluminescence of Materials
EN 1838: Lighting Applications – Emergency lighting – Luminance and duration requirements
BS EN 14256: Photoluminescent coatings and textiles – Afterglow measurement
IEC 62721: Photoluminescent performance testing for materials and coatings
Instrument Features
Automatic measurement and data recording: Records brightness values over the set test duration with software support.
Fully enclosed test chamber: Reduces interference from external light sources for accurate measurements.
Sample automation: Automatically switches among 3 sample positions for high-throughput testing.
High-precision sensors: Imported brightness and illuminance sensors with fast sampling speed and high accuracy.
Wide applicability: Suitable for fibers, yarns, fabrics, and powders.
User-friendly interface: Integrated computer system with printer for instant data output.
Technical Specifications
| Parameter | Specification |
|---|---|
| Excitation Light Source | Fluorescent lamp, 6500 ± 500 K |
| Brightness Meter | 0–10000 mcd/m², resolution 0.01 mcd/cm², accuracy ±5% |
| Illuminometer | 0–10000 lx, resolution 0.1 lx, accuracy ±4% |
| Sample Capacity | 3 samples per test session |
| Power Supply | AC 220V, 50Hz |
| Approximate Weight | 30 kg |
| Dimensions (W×D×H) | 375 × 500 × 598 mm |
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