Check the listing for details. ATAGO Official Site Hand Held Salinity Refractometer MASTER-S28M. Condition: New. Listed at 180.00 USD. The units can be used for controlling the concentration of saltwater used in rinsing seafood or salinity in cooking. NEW material which is durable for salty and acid sample is adopted. The Master-S28M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually.For the model with Automatic Temperature Compensation please choose MASTER-S28α.SpecificationsModelMASTER-S28MCat.No.2483RangeSodium chloride : 0.0 to 28.0g/100gMinimum ScaleSodium chloride : 0.2g/100gGreeting! Thank you for visiting ATAGO official site. We are a leading company of Refractometers since 1940s in JAPAN. We have established our reputation as a trusted brand and enjoys the fullest confidence of end-users not only in Japan but also in 154 countries worldwide. We guarantee...Proudly Made in Japan ProductsFactory Direct Speedy DeliveryQualityDurabilityCustomer SatisfactionGood packing Payment: Paypal OnlyShipment: FedexEstimated Delivery time: 1-2weeks Please feel free to ask any questions. We are available from 9:00-17:30 in Japan time