Product descriptionandamp;lt;br /andamp;gt;Density measurement range: 1 0-1 070, minimum scale is 0 001andamp;lt;br /andamp;gt;Concentration measuring range: 0-100 C, minimum scale is 1 Candamp;lt;br /andamp;gt;Measuring range: 0-10% salinityandamp;lt;br /andamp;gt;Graduation: 0 2% salinityandamp;lt;br /andamp;gt;Accuracy: 0 2%andamp;lt;br /andamp;gt;ATC: 0-10 Candamp;lt;br /andamp;gt;Reference temperature: 20 Candamp;lt;br /andamp;gt;Delivery content:andamp;lt;br /andamp;gt;1 x salinity refractometerandamp;lt;br /andamp;gt;1 x plastic pipetteandamp;lt;br /andamp;gt;1 x mini screwdriverandamp;lt;br /andamp;gt;1 x cleaning clothandamp;lt;br /andamp;gt;1 Precision Measurement Sharp dividing line (blue-white), good readability (daylight recognizable), adjustable eyepiece for focus adjustment andamp;lt;br /andamp;gt;2 Material Developed for testing the concentration of salt water saline solution, ideal for aquariums, marine surveillance, aquaculture fish shrimp crab coral etc quality control in research clinical laboratories andamp;lt;br /andamp;gt;3 Easy to use Place 2, 3 drops of the sample on the main prism, close the plate look through the viewing window to read the salinity value andamp;lt;br /andamp;gt;4 Our chrome-plated brass body is resistant to chemical corrosion wear-resistant, the lifespan of the refractometer is increased several times than other aluminum housings andamp;lt;br /andamp;gt;5 Measuring range: salinity 0- (0-10% salinity), density 1,000-1,070 SG, accuracy: salinity 1%, density 0 001 SG, accuracy: 0 2% andamp;lt;br /andamp;gt;