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URlighting Salinity Refractometer Portable Seawater Salt Tester Specific Gravity Automatic Temperature Compensation Dual Scale Hydrometer for Pool Aquarium Fish Tank

Product ID : 33756123


Galleon Product ID 33756123
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About URlighting Salinity Refractometer Portable Seawater

Instructions for use: 1. To take a reading, place a few drops of a sample liquid on the measurement prism. 2. Ensure that enough solution is added to the prism in order to cover the entire prism. 3. Close the prism so that the liquid spreads across the entire surface of the prism without air bubbles or dry spots. 4. While holding the instrument under a light source, look through the eyepiece. 5. The salinity concentration is determined by the intersection of the boundary of the light and dark fields (known as the shadowline) on the printed scale. The left side of the scale indicates the specific gravity and the right side parts per thousand. 6. If the scale appears out of focus, the eyepiece may be adjusted by rotating the knurled portion. Under normal conditions, optimal contrast is obtained by holding the instrument underneath and perpendicular to a light source. Operation Steps: 1. Open daylight plate,clean main prism carefully by using soft cloth. 2. Place 2-3 drops of sample tested onto the main prism,close daylight plate so water spreads across entire surface across entire surface of prism without air bubbles or dry spots. 3. Hold daylight plate in the direction of a light source and look into the eyepiece.Look into eyepiece and turn the calibration screw. 4.Make boundary of the blue field and the white field clearly. Specifications: Range: 0-10% Salinity; 1.000-1.070g/cm3 Density Resolution: 1ppt Salinity; 0.001 g/cm3 Density Reference temperature: 20°C ATC: 10-30°C Item Length: 20.5cm/8.07in Item Weight :110g/0.24lb 2017-10-1 2027-10-1 Package included: 1 x Salinity Refractometer 1 x Pipette 1 x Soft cloth 1 x Mini Screwdriver 1 x Protective Carrying Case 1 x English Instruction manual