Light Fastness Tester. To determine the colour fastness and degradation due to the effects of sunlight on textiles. Standard model fitted with 500 watt mercury blended tungsten lamp, presettable timer and time elapsed counter. Can be fitted with type C, D or E sample holders within which humidity can be controlled using saturated salts. Rapid Light Fastness Tester. Rapid fade model fitted with 400 watt mercury tungsten high power lamp with transformer, presettable timer and time elapsed counter. Can be fitted with type D or E sample holders.
