à¤ÃÕèͧÇÑ´¤ÇÒÁà¤çÁ à¤Ã×èͧÇÑ´à¡Å×Í ã¹ÍÒËÒà ¹éÓ·ÐàÅ Salt meter Salinity Meter Refractometer > à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ Digital Salinity Refractometer PAL-03S Digital Salinity Refractometer PAL-03S PAL-03S Digital Pocket Saltwater Refractometer. Sodium Chloride 0.0-28.0% (by weight) (g/100g), ±0.2% (minimum scale 0.1%) ATC 50 to 104°F (10 to 40°C). This refractometer is designed to measure a solution of table salt (NaCl - Sodium Chloride) and water only. Applicable in cooking, preparation of certain foods, rinsing of seafood, snow melting agents, etc. Easy water only calibration. Includes: Protective storage case and owner's manual. New generation of Atago Refractometer! Small enough to fit in your shirt pocket Used for Sodium Chloride Range: Sodium Chloride 0.0~28.0% (g/100g) Accuracy: Sodium Chloride ± 0.2% (g/100g) Measurement temperature: 10-40 degrees C Features automatic temperature compensation Powered by 2 AAA batteries Waterproof to IP65 Standards Atago PAL-03S Salinity Salt Meter Water Quality Meter à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ¹éÓ·ÐàÅ à¤Ã×èͧÇÑ´¤Ø³ÀÒ¾¹éÓ à¤Ã×èͧÇÑ´à¡Å×Í