Multichannel Systems MEA1060-Up-BC Manual - Manual (Page 43)

Troubleshooting
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The response of the cells to the stimulation is instantaneous in the cells near to the pulse.
The cells recorded in the periphery of the syncytium need about 3 to 13 ms for their response
to the stimulus pulse. This is the propagation time during which the electrical pulse is spreading
in the cell syncytium.
5.8 Service and Maintenance
You should clean the contact pins of the amplifier with a soft tissue and pure (100 %)
alcohol from time to time, especially if you have problems with the noise level.