Digital Salinity Refractometer

Hanna HI931102 digital salinity meter is a professional grade portable instrument designed for accurate measurement of sodium chloride concentration in food and industrial samples.Featuring automatic calibration,a large dual -level LCD display with simultaneous salinity and temperature display and waterproof housing.It delivers reliable salinity reading across a wide measurement range.I deal for food manufacturers, laboratories and quality control professionals requiring precise salt-content analysis. Power supply -3 *AAA batteries