Based on ISO 12233:2000, the QA-77 has all of the original features as the QA-72 plus several new ones, such as; Star Sector target; 5° slant bar; 5° dark gray square for SFR analysis as well as a greater resolution range, from 100 - 4000 Line Width / Pixel Height and hyperbolic wedges.
Common standard specifications
This chart does not conform to the updated ISO 12233:2014 standard. We recommend thePhotographic ISO 12233:2014 E-SFR chart for testing that does not specifically require the old chart.
Product NO | Multiple | Size |
NE-10-50A | 0,5X | 10x17.8 cm |
NE-10-100A | 1X | 20x35.6 cm |
NE-10-200A | 2X | 40x71.1 cm |
NE-10-400A | 4X | 80x142.2 cm |
NE-10-800A | 8X | 160x284.4 cm |
With 12 rigorous quality inspection processes in place, we ensure a high yield rate of up to 98% for batch processed precision parts.
FAQs About ISO Test Charts
At most of time, we have Spectrophotometer stock in the factory. Generally it is 1-3 working days after the payment confirmed. After shipped, we will email you the tracking number. You can check the shipping status of your order on the website. If you are in urgent need, we can consider making special arrangement for you.
a. If this phenomenon occurred, it means the battery power is not enough. You need to charge the battery.
b. When charge the battery, please insert the battery to the instrument, and plug in the adapter to charge the battery. After 5 minutes, the instrument can be turned on.
c. If the instrument still cannot be turned on after charging 5 minutes, you can pull out the adapter and re-plug in to check it. Or repeat this operation.
d. If the instrument still cannot be turned on after charging 5 minutes, you can turn off the colorimeter and turn on it again to check it. Or repeat this operation.
e. If you have tried all the methods above but the colorimeter still cannot be turned on, please change the battery.
A colorimeter is a scientific instrument used to measure and analyze the color characteristics of objects or materials. It quantifies color by evaluating specific parameters related to human visual perception and standardized color spaces.
Who are we? Threnh Technology: 22-Year Professional Color Measurement Solution Provider
Threnh Technology is a Chinese professional Measurement Instrument manufacturer with 22 years of industry experience, specializing in the field of color measurement and surface gloss detection. Integrating research and development, design, production, marketing, and sales, the company takes technological innovation as its core and is committed to providing global customers with high-precision and intelligent testing instruments as well as professional solutions.
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