***If you grow your own fruit and vegetables to produce homemade pickles or to freeze, this refractometer will give you the information that you need to ensure your end products' quality. ***Vital if you need to check salt levels when preparing sea food and other ocean by-products. ***Ensure the percentage of salinity in your aquarium or pond is just how your fish like it. ***Essential piece of equipment used in research and clinical laboratories for checking and maintaining stock solutions and dilutions ***Vital for students of Oceanography for determining the soil quality, research and clinical laboratories and marine industry Features: 2 in 1 design to measure the Specific gravity (sg) of the salt solution and concentration of Nacl Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry arround. With Built-in ATC (Automatic Temperature Compensation) from 10~30 degree Celsius. Soft Rubber eyepiece for comfortable viewing Equipped with scale measurement which provides direct reading Accurate testing results guaranteed Durable and bulit to last long Adjustable manual focusing Use ambient light only which means battery or power source is not required Specifications: Measuring Range: Salinity: 0-10% Specific Gravity (SG): 1.000-1.070 Accuracy: Salinity: 0.1% Specific Gravity (SG): 0.001 Resolution: Salinity: 0.1% Specific Gravity (SG): 0.001 ATC range: -10~30 C (50~86 F) Dimension: 195x40x40mm Weight: 102g Packing Included: 1 x Refractometer 1 x Plastic pipette 1 x Mini Screw Driver 1 x Cleaning Cloth 1 x Plastic Box✓WIDE APPLICATION: It is for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality monitoring, salt production, manufacture of normal saline, salinity measurement in food processing etc. Can also be used for medical institutions, university research and so on. ✓AIRCRAFT ALUMIUM BODY MATERIAL:The aquarium refractometer is made of non-staining, non-corrosive and non-reactive aluminum which is lightweight to carry,anti-scratch and durable. ✓ATC TECHNOLOGY:Handheld Salinity Refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the fish keeping refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements. ✓ ENDLESS APPLICATION AND EASY TO USE,:Ideal for testing and monitoring aquariums,fish tank, saltwater pool,seawater.Just need 2-3 drops of solution, you can get accurate readings. No batteries needed. ✓DUAL SCALE MEASURES SALT PERCENT AND SG:Specific gravity,range: 1.000-1.070 g/cm3, resolution: 0.001 g/cm3.Salt percent, range: 0-100 ppt ( or say parts per thousand), resolution: 1 ppt.It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions.UNSPSC Code: 41000000. Part Number: ATC-MR0006. Number of Items: 1. Material: Plastic. Item Weight: 7.8 ounces. Brand Name: Abuycs. Best Sellers Rank: See Top 100 in Pet Supplies. : B082D8YBX3. Manufacturer: Rockgood ltd. Date First Available: December 5, 2019. Package Dimensions: 8.15 x 3.43 x 2.24 inches; 7.76 Ounces.