BC-535 Preliminary, Rev. 060126
Perfusion ............................................................................................................................................ 17
Oscilloscope ....................................................................................................................................... 17
INITIAL TEST.......................................................................................................................................... 18
Amplifier setup ..................................................................................................................................... 18
Overview................................................................................................................................................ 18
Initial conditions ................................................................................................................................... 18
Hold voltage test................................................................................................................................. 19
Input noise test without model membrane .......................................................................................... 20
Input noise test with model membrane ............................................................................................... 20
Test instrument I
m
output.................................................................................................................... 21
Cap test............................................................................................................................................... 21
Autozero ............................................................................................................................................. 21
Capacity compensation ...................................................................................................................... 22
OPERATION ............................................................................................................................................ 23
Setup of the bilayer chamber............................................................................................................... 23
Input offset ............................................................................................................................................ 24
Input offset adjustment ....................................................................................................................... 24
Bilayer formation.................................................................................................................................. 24
Commands............................................................................................................................................. 25
APPENDIX................................................................................................................................................ 26
Theoretical considerations ................................................................................................................... 26
Shielding............................................................................................................................................. 26
Grounding .......................................................................................................................................... 26
Membrane capacitance calculations ................................................................................................... 28
Suggested References ........................................................................................................................... 29
Specifications......................................................................................................................................... 30
Chloriding electrodes ........................................................................................................................... 32
Techniques for chloriding silver wires................................................................................................ 32
Accessories and replacement parts ..................................................................................................... 33
Warranty ............................................................................................................................................... 33
Service.................................................................................................................................................... 33
Service notes....................................................................................................................................... 33
Certifications......................................................................................................................................... 35
Glossary ................................................................................................................................................. 38