Post by Lake Shore Cosmin on Apr 9, 2018 9:26:42 GMT -5
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The data acquisition rate is limited by the time constant which is, in this case, 0.1 s. Therefore the 7400 and 7400S can acquire 10 points per second. The field ramp rate is affected by the size of the electromagnet, electromagnet pole cap size, electromagnet gap and field range. For example, during actual measurement, on a model 7410S, at the 10mm sample access gap, one could ramp the field from -0.5T to 0.5T in one second which results in 1T/s ramp rate. In open loop though, a 10” electromagnet can be brought to >3T in less than a second, but that is not a typical mode of operation.
here you can find other specifications regarding field and electromagnet size and gaps: