Portable, durable and economical Density Gold Testers are available for testing the density of platinum, gold and other metals in a short time. They are designed with multi-mode option and high-weight-resolution. These compact machines are available in sturdy design with simple operations and digital display to ensure accurate measurement. They are designed with precise density resolution of 0.001g/cm3 with measuring time of 15 seconds. In addition, these Density Gold Testers are provided with function of top and bottom limitation.