Check the listing for details. Salinity Refractometer Meter Water Reader Marine 0~10% Salt Aquarium Test Tester. Condition: New. Listed at 17.99 USD. Product DescriptionSalinity Refractometer Meter Water Reader Marine 0~10% Salt Aquarium Test Tester Product Description: • Measuring Range : w/w 0-10%• Accuracy :0.001sg(1%)• Length : 18CM• Heavy duty (Durable Aluminum)100% brand new and high quality• Ideal for garage workshop, metal workers ,builders, car mechanics, spray painters and DIY• Professional manufactured and designed for efficient blowing of air, the cleaning of parts and surfaces• Made of metal• Comes with a 10cm spare nozzle• Dimensions: 145mm x 85mm x 12 mm (L x W x H) (approx)• This refractometer is design according to the principle that different concentrations liquid have different refractive index ,with quick and accurate characteristics. • Automatic temperate compensation, the temperature of the water sample will not effect the reading.Operating procedures: 1. Open the cover and clean the detection prism with a soft cloth.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.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.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.Package Include:1 x Test Salinity Refractometer1 x Pipette1 x Wipe Cloth1 x Mini Screwdriver1 x Protective Carrying Case1 x Operations Manual Payment Shipping Customer Service Shopping Process Contact UsPayment Payments are only accepted via paypal with a confirmed paypal address. No exceptions. Shipping We aim to dispatch all items within 48 hours of receiving full and cleared payment subject to stock availability. Please note that items purchased on weekends and public holidays are dispatched the next working day. Delivery time and cost of shipment varies from one region to another. If for any reason you do not receive your item please let us know without delay. We will investigate the matter immediately. Customer Service If you have any questions regarding any of our items, please do not hesitate to contact us via email. You will receive a prompt reply answering your question from one of our professional cycling experts. Shopping Process Contact Us Please use ebay's messaging service to contact us.On Dec 12, 2023 at 20:14:16 PST, seller added the following information: