... Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS ... smooth progress of the experiment and culture of the sample.IQ, OQ, PQ and other related certification passed. With CE certification. Two- ... needs, time setting: 0-99h, 0-9999min; All set operations are recognized voice prompts, easy to operate ...