... Measure concentration 2 Stable performance,photoelectric test 3 Temperature program control, LCD display ... of amorphous body highly polymerized compound 3 Photoelectric test, temperature program control, LCD display, high precision ... performance 4 Widely used to component control and quality test of tar, asphalt, paraffin, resin, fats, rosin ... 1A Dropping-Point and Softening-Point Apparatus