We have one used Atago Pen-Pro model 3730 for sale. This meter was only used three times before our customer retired. This is a highly accurate, temperature compensated, 0-85 brix digital meter. Comes with original instructions. This refractometer retails for $471.00 plus freight. Your cost $250.00. Price includes freight to the continental United States including Alaska and Hawaii. We have tested this meter and is working as expected based on accuracy. There is no warranty. Let us know if you have any questions.