optical colourimeter 光学色度计

colourimeter with lamp 带灯色度计

colourimeter tube 比色管

grating light colourimeter 光栅光比色计

differential scanning colourimeter 微分扫描比色计

Colourimeter method 测色仪法

ifferential colourimeter 差动比色计

disc colourimeter 盘式比色计

color meter colourimeter 比色计