<>Description:It is for measuring the salinity of salt water quickly and accurately, for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality ing, salt production, manufacture of normal saline, salinity measurement in food processing etc. It can also be for institutions and university research. <>Feature: 0 to 10% salinity, 0.01% scale. Durable aluminum body, durable and can use for a long. Adjust the twisting the handle. Compact design with rubber handle. Soft and flexible eyepiece for added comfort. Instant and reliable aqueous solution measurement.<>Operating procedures:1. Open the cover and the detection with a cloth.2. Take the test solution, place it on the detection, gently close the cover to avoid bubbles, and make the solution spread over the and put the instrument into the light plate.3. the light source or the bright area, observe the field of view through the eyepiece, and turn the eyepiece to adjust the handwheel.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. <>Speciation:Salinity: 0~10%Study accurately: 0.01%Size: (Dia.) x (H)17 x 4cm / 6.69 x.57 inch (appr.) <>Package Included:1 x Salinity 1 x Cloth1 x Pipette 1 x Instruction Manual 1 x Screwdriver 1 x Storage Case with Inner ive Tray