Description: _x000D_ 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. It can also be used for medical institutions and university research._x000D_ _x000D_ _x000D_ _x000D_ Feature: _x000D_ 0 to 10% salinity, 0.01% scale._x000D_ _x000D_ Durable aluminum body, durable and can use for a long time. _x000D_ Adjust the focus by twisting the handle. _x000D_ Compact design with rubber handle. _x000D_ Soft and flexible eyepiece for added comfort. _x000D_ Instant and reliable aqueous solution measurement._x000D_ _x000D_ Operating procedures:_x000D_ 1. Open the cover and clean the detection prism with a soft cloth._x000D_ 2. Take the test solution, place it on the detection prism, gently close the cover to avoid air bubbles, and make the solution spread over the prism surface and put the instrument into the light plate._x000D_ 3. Align the light source or the bright area, observe the field of view through the eyepiece, and turn the eyepiece to adjust the handwheel._x000D_ 4. Make the blue-white boundary of the field of view clear, and the scale value of the boundary is the concentration of the solution._x000D_ _x000D_ _x000D_ _x000D_ Speciation: _x000D_ Salinity: 0~10%_x000D_ Study accurately: 0.01%_x000D_ Size: (Dia.) x (H)19 x 4cm / 7.48 x 1.57 inch (appr.) _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x Salinity Refractometer _x000D_ _x000D_ 1 x Cloth_x000D_ _x000D_ 1 x Pipette _x000D_ _x000D_ 1 x Instruction Manual _x000D_ 1 x Mini Screwdriver _x000D_ 1 x Storage Case with Inner Protective Tray _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 10 to 10% salinity, 0.01% scale. 2Durable aluminum body, durable and can use for a long time. 3Adjust the focus by twisting the handle. 4Compact design with rubber handle. 5Soft and flexible eyepiece for added comfort.