... Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter ... technologies, to ensure the smooth progress of the experiment and culture of the sample.2. Valve electronic control technology, ... and forced-fan convection, so that the cavity temperature of every point can be accurately achieve and maintainsettings ...