The MSA-200, MSA-300 and MSA-1000 are fast multiscaler cards. The devices count all pulses whose amplitude is greater than a selectable discriminator threshold and stores them into subsequent memory locations of the device memory. Ultra-fast input discriminators allow for direct counting of fast single electron pulses from photomultiplier tubes and channel plates. Applications are Luminescence and phosphorescence experiments in the nanosecond and microsecond range.
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