Digital desktop densitometer, fully automatic, available in three models DA-640, DA-645 and DA-650 made by KEM Japan, densitometers in accordance with ASTM standards D1250, D1475, D4052, D4806, D5002, D5798, D5931 ISO 12185, ISO 15212 and can be used in oil and petrochemical industries, pharmaceuticals, food industries, etc. Density measurement range: 3-0 g / cm3 Temperature measurement range: 0-0 90 ° C Minimum required sample: 2 -1 ml with internal pump for automatic sampling as well as injection syringe for sampling. Measurement: 2 to 10 minutes with 5.7-inch color LCD screen. Connectivity to PC via USB / RS232. Automatic viscosity correction. Automatic ability to convert concentration to density : DA-640: +/- 0.0001g / cm3DA-645: +/- 0.00005g / cm3DA-650: +/- 0.00002g / cm3