3nh / Sineimage X-Rite White Balance Test Chart
Negotiable Min Order Quantity Unit
- Required Quantity
-
- Place of Origin
- China
- Brand name
- 3nh
- Payment Terms
- T/T,Western Union
- Production method
- Negotiable
- Shipping / Lead Time
- Negotiable / Negotiable
- Keyword
- test chart, xrite, color charts, white balance test chart
Shenzhen 3nh Technology CO., LTD
- Verified Certificate
-
11
Product name | 3nh / Sineimage X-Rite White Balance Test Chart | Certification | - |
---|---|---|---|
Category |
Other Measuring & Gauging
Other Optical Instruments |
Ingredients | - |
Keyword | test chart , xrite , color charts , white balance test chart | Unit Size | 20.0 * 5.0 * 10.0 mm |
Brand name | 3nh | Unit Weigh | 2 kg |
origin | China | Stock | - |
Supply type | - | HS code | 4821 |
Product Information
3nh / Sineimage X-Rite White Balance Chart White Balacing Test Chart YE0178 for shading measurement
The test chart consists of a blank film between two glass panes.
The test chart is designed for shading measurement under the same lightning conditions as other transparency measurements.
It is possible to perform shading measurements on illuminator (LG2, LE6) without any chart. But then lightning conditions are different to other measurements with test transparencies. By using a test transparency the light intensity of an illuminator changes.
This is caused by two superimposed factors
a) the filter effect of the film and glass (25% light absorption) and
b) the light remission of the transparency ack in the illuminator
While factor a) is predominat with th LG2, the remission factor b) is predominant with the lightning sphere LE6, i.e. the light intensity rises significantly when a test chart is inserted. To carry out shading measurement under the same lighting condition as other measurements the use of the YE0178 is essential.
Definition of white shading or white level uniformity
Determination of maximum white level variations in various areas of the picture, when the camera is directed at an evenly illuminated test chart.
The YE0153 is designed for evaluation of the halftone reproduction of electronic cameras. Two 11-graduated counter current gray scales are arranged on a gray background (D=0.75), the gray scale being graduated logarithmically.
Related to the densities of the gray scales: gamma = 0.45
Related to the reflectance values (brightness): gamma = 2.2 , that being exactly the reciprocal value of gamma = 0.45.
The output signal of an optimally gamma-corrected camera yield two 11-graduates counter current linear step signals. The contrast range of the gray scales is 40 : 1.
The values of the 11-graduated gray scale are as follows:
Step | Density | Reflectance in % |
1 | 0.05 | 89 |
2 | 0.13 | 74 |
3 | 0.22 | 60 |
4 | 0.32 | 48 |
5 | 0.43 | 37 |
6 | 0.55 | 28 |
7 | 0.69 | 20 |
8 | 0.88 | 13 |
9 | 1.06 | 8 |
10 | 1.31 | 5 |
11 | 1.65 | 2 |
The density values are based on BaSo4 = 0. Two black fields and a white field are located between the gray scales, the density of the black filed is D > 2.4 (reflectance < 0.5 %). The density of the white filed is D = 0.05 (reflectance = 89.9 %).
18% grey card
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4K (UHD TV) cctv camera UNIVERSAL TEST CHART 16:9 TRANSPARENT TE279 D
B2B Trade
Price (FOB) | Negotiable | transportation | - |
---|---|---|---|
MOQ | Negotiable | Leadtime | Negotiable |
Payment Options | T/T,Western Union | Shipping time | Negotiable |
- President
- Su
- Address
- 4/F,Building 8,Nangang Second Industry Zone,Xili,Nanshan District,Shenzhen,China
- Product Category
- Testing Equipment
- Year Established
- 2011
- No. of Total Employees
- 101-500
- Company introduction
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<p>Shenzhen ThreeNH Technology Co., Ltd. is a high-tech enterprise, including companiesShenzhen 3nh Technology Co., LtdShenzhen Sine Image Technology Co., LtdShenzhen Tilo Technology Co., LtdCOLORCONTROLLER HK LIMITEDWe research, develop, produce and market photoelectric detection products in photoelectric detection technology field and color management field. After years of intensive research, 3nh has many products such as :YS series grating spectrophotometerNS series handheld spectrophotometerNH/NR portable colorimeterNHG/HG series gloss meterColor light boxISO 12233 test charts etcOur products are widely used are widely used in plastic, electronic, paint, ink, textile, garment, printing and dyeing, food, medical, cosmetic, optical image test industries and the field of scientific research, school and laboratory.3nh Vision Focus on color, to become the industry leader in color management field. 3nh adheres to people-oriented, customer first, technological innovation, sustainable development business philosophy to meet customer demand continuously, to create value for customers and to achieve win-win situation and common development.
- Main Markets
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Brazil
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Egypt
Finland
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India
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- Factory Information
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Shenzhen 3nh Technology Co., Ltd
- Main Product