GUANGDONG THREENH TECHNOLOGY CO.,LTD.Shenzhen Threenh Technology Co., Ltd. with certificates IS9001, CE, ROHS, FCC, is a high-tech enterprise. 3nh has produced YS series spectrophotometer, NS series spectrophotometer and NH, NR series colorimeter, gloss meters, ISO12233 resolution test chart, optical image test solution and specific standard illuminant which are widely used in plastic, electronic, paint, ink, textile, garment, printing and dyeing, food, medical, cosmetic, optical image test industries as well as school and laboratory. The products are exported to many countries in Europe, Asia, North America, South America, Oceania and Africa. Main Products YS sepctrophotometer: YS3060, YS3020, YS3010 NS spectrophotometer: NS810, NS800, NS808 NH colorimeter: NH310, NH300 NR colorimeter: NR200, NR60CP, NR110, NR145, NR20XE NHG...
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a. It’s needed to perform manual calibration for NH300 when first starting.
b. In the subsequent starting, no need to perform manual calibration.
c. Suggestion: it’s best to perform manual calibration once a week or when NH300 measured data is not accurate.