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Products Infomation
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- Electronic Measuring Instruments
- Optical related measuring instruments
- TechnoOptis UA-20C
Luminance & Chromaticity Uniformity Analyzer
The UA-20C 2D luminance and chromaticity uniformity analyzer features a 24.5-megapixel CMOS sensor for high-resolution display and lighting evaluation.
Designed for production line integration, it supports 0.01–50,000 cd/m² measurement (up to 500 million cd/m² with ND filter).
Ideal for Mura inspection, automotive displays, AR/VR panels, Micro LED devices, and LED lighting uniformity testing. Compact, lightweight, and equipped with GigE interface and external control SDK for automated inspection systems.
Features
■ High resolution measurement
• 24.5 megapixel CMOS camera
• 4 types of lens deformation (standard/wide angle/telescope/Macro)
■ Wide range brightness measurement
• Standard/Wide/Telescope lens : 0.01 – 50,000 cd/m2 / ND filter (optional): 5.0 – 500 million cd/m2
• Macro lens: 0.1 – 240,000 cd/m2 / ND filter (optional):10 – 240 million cd/m2
• Micro LED, Mini LED Device Assessment
■ Optimal specifications for the production process
• Small/lightweight (palm size)
• External control SDK provided as standard accessory
■ Analysis software
• Measurement/Analysis Application Software CI-100
• Features various View modes, measurement results display, and various evaluation and analysis functions
Principal use
￭ Uniformity measurement of a various displays or backlight
￭ Mura measurement of an automotive meter panel and interior/exterior lighting
￭ AR/VR Mura measurement
￭ Measurement of luminance and chromaticity uniformity of LED lighting and OLED lighting
￭ Measurement of reflection and transmission characteristics of film, etc
￭ Inspection and measurement on production line
Specifications
| Model type | UA-20CS / CW / CT | UA-20CM | |
| Photo detector | 24.5 million-pixel CMOS Image sensor | ||
| Objective lens | Standard type: UA-20CS Fixed focal lens f=35mm Wide type : UA-20CW Fixed focal lens f=12mm Telephoto type : UA-20CT Fixed focal lens f=50mm |
– | |
| Number of measurment point | 5328×4608 | ||
| Luminance masurement range | 0.01 – 50,000cd/m2 | 0.1 – 240,000cd/m2 | |
| Luminance linearity*1*2 | ±2% (0.1 cd/m2 – ), ±3% (0.01 – 0.1 cd/m2) | ±2% | |
| Chromaticity accuracy*1*2 | ±0.003 (0.1 cd/m2 – ) ±0.007 (0.01 – 0.1 cd/m2) |
±0.003 | |
| In-plane unevennes uniformity*1*3 |
luminance:±2% | ||
| Chromaticity:±0.003 | |||
| Repeat characteristic*1 | luminance:0.3(0.1 cd/m2 – ), 0.5% (0.01 – 0.1 cd/m2) *4 | ||
| Chromaticity:0.002 (0.1 cd/m2 – ), 0.005 (0.01 – 0.1 cd/m2)*5 | |||
| Measurement time*6 | Fastest about 3 sec. | ||
| Stability | luminance:±1% | ||
| Repeatability | luminance:±2% | ||
| Temperature characteristic | luminance : ±3% (reference : 20°C, 0 – 40°C) | ||
| Humidity characteristic | luminance : ±3% (Humidity : 80% RH or lower, No condensation) | ||
| Interface | Gig E | ||
| Outer Dimensions | UA-20CS : 122.8×69.3×59.5mm UA-20CW: 131.2×69.3×61.0mm UA-20CT : 131.3×69.3×61.0mm |
UA-20CM : 154.7×69.3×59.5 | |
| Weight | UA-20CS: about 470g UA-20CW: about 510g UA-20CT: about 490g |
UA-20CM: about 540g | |
*1 Standard illuminant A
*2 Evaluated on the center of the CMOS
*3 Reference: Center of the CMOS
*4 2σ
*5 Max – Min value
*6 This value varies depending on conditions of use.
Measurement area
UA-20CS Measurement area
| Measurement distance [mm] | 300 | 400 | 500 | 1,000 | 1,500 | 2,000 | 2,500 |
| Display size (inch) | 6.0 | 7.9 | 9.8 | 19.5 | 29.3 | 39.1 | 48.9 |
| Horizonal [mm] | 115.3 | 151.0 | 187.7 | 375.4 | 563.1 | 750.8 | 938.5 |
| Vertical [mm] | 99.7 | 130.6 | 162.3 | 324.7 | 487.0 | 649.3 | 811.7 |
UA-20CW Measurement area
| Measurement distance [mm] | 250 | 400 | 500 | 1,000 | 1,500 | 2,000 | 2,500 |
| Display size (inch) | 14.9 | 22.8 | 28.5 | 57.0 | 85.5 | 114.0 | 142.5 |
| Horizonal [mm] | 285.6 | 438.0 | 547.5 | 1094.9 | 1642.4 | 2189.8 | 2737.3 |
| Vertical [mm] | 247.0 | 378.8 | 473.5 | 946.9 | 1420.4 | 1839.9 | 2367.4 |
UA-20CT Measurement area
| Measurement distance [mm] | 300 | 400 | 500 | 1,000 | 1,500 | 2,000 | 2,500 |
| Display size (inch) | 4.3 | 5.7 | 7.1 | 14.0 | 20.9 | 27.9 | 34.9 |
| Horizonal [mm] | 82.6 | 109.5 | 136.9 | 268.1 | 402.2 | 536.3 | 670.3 |
| Vertical [mm] | 71.5 | 94.7 | 118.4 | 231.9 | 347.9 | 463.8 | 579.8 |
UA-20CM Measurement area
| Measurement distance[mm] | Magnification[M] | Horizonal[mm] | Vertical[mm] | Inch | Resolution[μm] |
| 5.5 | 2.0x | 6.5 | 5.6 | 0.33 | 1.37 |
* The measurement distance is from tip of objective lens to the measurement target.
* Abobe values are 90 % area of FOV.
Operating condition
| OS | Windows 10 Pro (64bit) Windows 11 Pro (64bit) |
| CPU | Intel Core i7-11700 or higher |
| Memory | 16GB or higher |
| HDD | 500GB or higher More than 3GB free space is necessary in the system drive (that is a drive where OS is installed). If full size measurement is executed, data size of its result is about 3GB. |
| LAN Port | Gigabit Ethernet 1port * Support for Jumbo frame (Jumbo packet : 9KB and above) |
| Other | DVD-ROM drive |
*Microsoft and Windows are registered trademark of Microsoft Corp. in the US and other countries.
*Intel Core is a registered trademark or trademark of Intel Corporation in the US and other countries.
*All other company and product names listed in this sheet are trademarks or registered trademarks of their respective companies.
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