Thank you for visiting HT TECH LIMITED! High Quality, Low Cost, Guaranteed with excellent service and speedy shipment.All kinds of handheld refractometer, also for these instruments'requires. To all people in the world, offer all kinds of measuring range of Refractometers,such as honey/brix/wine/antifree/battery/cutting liquid/salinity refractometer etc... All the refractometers from manufacturer directly. High Quality, Low Cost, Guaranteed with excellent service and speedy shipment.