... includes models 11AW, 307W, 12DW for the measurement of conductivity in liquids.AUTOMATIC CALIBRATION:The meters is capable of calibrating up ... The meters can set the temperature coefficient between 0and 3.9% in degrees centigrade for optimum accuracy, setthree cell constants(0.1 ... Manual0~50oC, Manual0~50oC, Automatic, Manual Temperature Coefficient 0~3.9% per oC Cell Constant K=0.1, 1, 10 (Adjustable ...