... 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 ... temperature coefficient correctly is very important to measurement, DDS-W series can be set in the range of 0 ...