I have an ADC11. I have two input signals which give a diagram as expected in Picoscope. If I start up Picolog there appear peak pulses and after collecting some data you can see the peaks in the data sheet. Switching off Picolog gives a normal diagram in Picoscope again. I have tried to run Picolog...

I'm measuring the RPM of an engine by an approximation switch and some other things (voltage). When data logging there is no problem as long as I have a sampling rate of 1 second. But I want to have have more samples per second, so I turn to a sampling rate of 1 ms. Then the RPM reading falls away, ...