Beijing Silk Road Enterprise Management Services Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000 pieces per Month |
| Delivery Time | 5-8 working days |
| Packaging Details | MDF Wooden Carton, Safe Packages |
| Color Temperature | 6500K, 5000K, 4000K, 3500K |
| Length | 60cm, 90cm, 120cm, 150cm |
| Brand Name | Phlips Macbeth Sylvania Verivide |
| Model Number | 60cm, 90cm, 120cm, 150cm |
| Place of Origin | Netherlands, Poland, France, Canada, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000 pieces per Month |
| Delivery Time | 5-8 working days | Packaging Details | MDF Wooden Carton, Safe Packages |
| Color Temperature | 6500K, 5000K, 4000K, 3500K | Length | 60cm, 90cm, 120cm, 150cm |
| Brand Name | Phlips Macbeth Sylvania Verivide | Model Number | 60cm, 90cm, 120cm, 150cm |
| Place of Origin | Netherlands, Poland, France, Canada, China | ||
| High Light | long fluorescent tubes ，fluorescent tube lamp | ||
Standard Color Temperature Light Tube D65 D50 UV Light Sources Tube Accessory for Color Assessment Light Cabinet
CIE illuminants
The International Commission on Illumination (usually abbreviated CIE for its French name) is the body responsible for publishing all of the well-known standard illuminants. Each of these is known by a letter or by a letter-number combination.
Illuminants A, B, and C were introduced in 1931, with the intention of respectively representing average incandescent light, direct sunlight, and average daylight. Illuminants D represent phases of daylight, Illuminant E is the equal-energy illuminant, while Illuminants F represent fluorescent lamps of various composition.
There are instructions on how to experimentally produce light sources ("standard sources") corresponding to the older illuminants. For the relatively newer ones (such as series D), experimenters are left to measure to profiles of their sources and compare them to the published spectra:
At present no artificial source is recommended to realize CIE standard illuminant D65 or any other illuminant D of different CCT. It is hoped that new developments in light sources and filters will eventually offer sufficient basis for a CIE recommendation.
— CIE, Technical Report (2004) Colorimetry, 3rd ed., Publication 15:2004, CIE Central Bureau, Vienna
Nevertheless, they do provide a measure, called the Metamerism Index, to assess the quality of daylight simulators. The Metamerism Index tests how well five sets of metameric samples match under the test and reference illuminant. In a manner similar to the color rendering index, the average difference between the metamers is calculated.
Company Details
Business Type:
Manufacturer
Year Established:
1998
Total Annual:
10000-50000
Employee Number:
100~200
Ecer Certification：
Active Member
The company is also the authorized agent of Philips and Sylvania. All products are widely used in plastic electronics, paint and ink, textile and dyeing, printing paper, food, medicine, cosmetics, scientific research, schools, laboratories, optical image testing ,and other fields. The company has ga... The company is also the authorized agent of Philips and Sylvania. All products are widely used in plastic electronics, paint and ink, textile and dyeing, printing paper, food, medicine, cosmetics, scientific research, schools, laboratories, optical image testing ,and other fields. The company has ga...
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