Hi Guys, I am new here, and I have an urgent question. As I am taking some rock samples by using the KAPPAMETER. According to the factory instruction, the KAPPAMETER should be remove from the sample after 1/2 second after the button is pressed. But I did it in the outdated way, which is the hold the KAPPAMETER against the sample until the reading is taken. The raw data between the 2 methods are about 2.33x difference (Factory method is higher). I then conducted an experiment involving 270 samples. The general trends of the 2 set of data are very similar. The correlation relationship of this two sets of readings against the laboratory magnetic readings are pretty close. Can anybody educate me why factory method is higher than the outdated method? Much appreciated!!