... Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, ... fast response and convert range.3.Auto Temperature Compensation:DDS-12DW will recognize the temperature sensor automatically and ... setting temperature coefficient correctly is very important to measurement, DDS-W series can be set in the range of ...