韓國G-WON糖度測定儀-GMK-703AC 糖度計（折光儀）-GMK-704AC 糖度計（折光儀）-GMK-705AC 糖度計（折光儀）-GMK-703F 糖度計（折光儀）-GMK-705DC 柑橘酸度計-GMK-835 橙,橘子酸度計-GMK-835A 菠蘿酸度計-GMK-835B 葡萄酸度計-GMK-845 蘋果酸度計-GMK-855 梨酸度計-GMK-855A