Design Lightweight aluminum construction Ergonomic, comfortable & easy operation Anti-slip, rugged body with durable & hygiene smooth aluminum grips Translucent bule background Durable High quality all-aluminum body Value 3 year warranty High quality assurance from leading refractometer factory Competitive price directly from factory Specifications Cat.No Scale Range Minimum Division Accuracy salinity: 0-100? Specific gravity: 1.000-1.070 salinity:1? Specific gravity:0.001 salinity:±1? Specific gravity:±0.001 Accessories included Pipette Operations manual, Mini-calibration screwdriver, Desiccant packet, Storage case. Brand new, comes with screw driver, pipette, case and instructions. Ship in 1 business day. Additional Details ------------------------------ Package quantity: 1