... Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc.Microprocessor Conductivity ... Meter AE- DDS-11AW Technical Dates:1.Single Point Push-Button Calibration:DDS-W series with single point ...