Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to 1.070 S.G. DUAL SCALE Hydrometer By AdeAdvancedOptics
DesignLightweight aluminum constructionErgonomic, comfortable & easy operationAnti-slip, rugged body with durable & hygiene smooth aluminum gripsTranslucent bule backgroundDurableHigh quality all-aluminum bodyValue3 year warrantyHigh quality assurance from leading refractometer factoryCompetitive price directly from factorySpecifications Cat.No	 Scale Range	 Minimum Division	 Accuracysalinity: 0-100‰Specific gravity: 1.000-1.070	salinity:1‰Specific gravity:0.001	salinity:1‰Specific gravity:0.001Accessories includedPipetteOperations manual,Mini-calibration screwdriver,Desiccant packet,Storage case.