Fastness to Light
Fastness to Light Xenon Arc Tester
The Fastness to Light Tester, or Light Fastness Tester, Xenon Tester is used for light fastness testing and xenon arc testing. It also does light aging tests for textiles, printing, dyeing, and clothing.
Feature & Advantage

Light aging tests:
Textiles, printing, dyeing, and clothing
Specification
Fastness to Light
Working modes | To simulate and reinforce the impact of the nature of the measured object, providing light and dark, temperature and humidity, raining and other quantitative indicators. |
Irradiance | 0.80 ~ 1.50W/m2 @ 420nm (340nm, 300~400nm, 300~800nm is offered on request), Digital set, automatic closed-loop compensation |
Irradiance accuracy | ± 0.02W/m2 @ 420nm |
Light source | 2500W air-cooled long-arc xenon lamp |
Sample holder | • ISO / GB 16 Pcs, can hold samples 135 x 45mm • AATCC 8 Pcs, can hold samples 140 x 75mm |
Temperature range | 25 ~ 50 ℃, Resolution 0.1 ℃ |
Humidity range | Bright cycle 10 ~ 70% RH, Dark cycle 30 ~ 95%, R. H. resolution 0.1% |
Test time control | ≤ 10000h |
Rotation speed of sample holder | 5 rpm |
BPT Range | (40 ~ 80) +/- 2℃ |
BST Range | (40 ~ 85) +/- 1℃ |
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