Verivide 600 mm (18W) Point of Sale (TL83/830) 3000° K
Brand: Verivide | View more from Verivide
৳ 3,200 ৳ 3,500
The following table of VeriVide lamps for viewing cabinets covers all supply chain viewing conditions, including the specific requirements of individual major retailers.
Retailers have differing specifications for the lamps and grey used in the Colour Assessment Cabinets. VeriVide equipment provides these conditions for all applications. For consistency, the source of light must be controllable and constant. To understand light sources, two factors need to be considered:
- COLOUR TEMPERATURE – expressed in Kelvin. (K)
Colour temperature describes the colour appearance of the lamp itself and the light it emits and can vary along with its spectral power distribution. “Correlated” colour temperature applies to fluorescent lamps and approximates the true colour temperature.
- Lamps with lower colour temperatures appear warmer i.e. red/orange and typical examples would be illuminant A and 830.
- Lamps with a higher colour temperature look bluer, and examples would include the VeriVide D65 and D75.
- COLOUR RENDERING INDEX (CRI)
A numerical system that measures how well colours are rendered by a lamp in comparison to a reference light source. The CRI is measured on an index from 0-100, with 100 representing an exact match, whilst low values indicate poor colour rendering.
- Therefore a lamp rated with a CRI of 98 such as the VeriVide D65 will show colours more accurately than a lamp with a CRI rating of 62 such as the CWF.
This rating method is recognised by the Illuminating Engineering Society (IES) and the Commission International de L’Eclairage (CIE).
Product description
Often, colours need to be assessed using more than one light source in order to replicate different viewing environments. The need for different light sources becomes apparent when, for example, consumers complain that a product ‘looked different when we got it home’.
When two or more materials match visually under one illuminant but mismatch under another, the inconsistency is termed metamerism. It is most usually caused by differences in the colouring matter used for each material. If only one light source is used for colour assessment, metamerism can easily slip through the net with the potential to cause problems at the consumer interface.
Specification:
| CIE Daylight Illuminants | |||||||
| Light Source | Name | Lamp Description | C.R.I. | Length | Watts | Diam | Product Code |
| 840 P15 | VeriVide 840P15 | Narrow Band Triphosphor Fluorescent Lamps. Correlated colour temperature of 4000K. CIE Illuminant F11. Often chosen as a European “Point of Sale” light source, with good colour rendering and manufactured to a tighter tolerance specification as prescribed by Marks & Spencer. (Formerly TL84P15) | 85 | 600mm 1200mm |
18w 36w |
T8 T8 |
60084P15 120084P15 |
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Retailers have differing specifications for the lamps and grey used in the Colour Assessment Cabinets. VeriVide equipment provides these conditions for all applications. For consistency, the source of light must be controllable and constant. To understand light sources, two factors need to be considered:
- COLOUR TEMPERATURE – expressed in Kelvin. (K)
Colour temperature describes the colour appearance of the lamp itself and the light it emits and can vary along with its spectral power distribution. “Correlated” colour temperature applies to fluorescent lamps and approximates the true colour temperature.
- Lamps with lower colour temperatures appear warmer i.e. red/orange and typical examples would be illuminant A and 830.
- Lamps with a higher colour temperature look bluer, and examples would include the VeriVide D65 and D75.
- COLOUR RENDERING INDEX (CRI)
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- COLOUR TEMPERATURE – expressed in Kelvin. (K)
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- Lamps with lower colour temperatures appear warmer i.e. red/orange and typical examples would be illuminant A and 830.
- Lamps with a higher colour temperature look bluer, and examples would include the VeriVide D65 and D75.
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A numerical system that measures how well colours are rendered by a lamp in comparison to a reference light source. The CRI is measured on an index from 0-100, with 100 representing an exact match, whilst low values indicate poor colour rendering.
- Therefore a lamp rated with a CRI of 98 such as the VeriVide D65 will show colours more accurately than a lamp with a CRI rating of 62 such as the CWF.
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- Filtered tungsten halogen daylight provides the most accurate daylight simulation available for optimum visual assessment.
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- Every instrument starts with exacting UV calibration. Built-in sensors monitor and correct UV output to maintain inter-instrument agreement.
- Real-time digital lux output can be adjusted to comply with ASTM and AATCC standards based on the sample type or user needs.
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Available as either a hand operated or motorised instrument.
· Easy to load
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· Alternative applications
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It also tests the micro-scratch resistance of lacquers, coatings or painted surfaces.
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