H-B DURAC B61809-0000 Salt Brine Hydrometer; 0/100 Percent by Saturation Used for measuring sodium chloride saturation of salt brines in various industries including food, fishing, and transportation Range: 0 to 100% by saturation; Divisions: 1%; Accuracy: 1%; Length: 280 mm (11") Individually serialized; Lead free ballast and glass Temperature standardization: 60F (15C) Packaged with a multi-language (English, French, German, Italian, Portuguese, and Spanish) Statement of Accuracy indicating accuracy traceable to NIST