เครื่องวัดค่าความหวาน รุ่น HI96804 Digital Refractometer for Sugar Analysis Invert Sugar The HI 96804 Invert Sugar digital refractometer is rugged, portable and water resistant for measurements in the lab or field. This ...
Hand Held Series / JEDTO เครื่องวัดค่าความหวาน The Hand Held Refractometers are specially designed for measuring the concentration of many kinds of solution listed as following: Juices, Beverages, Honey, Salt water, ...