Warner PC-505B - NOMENCLATURE; Text Conventions; Device Panel Abbreviations; Signal Polarity Conventions

PC-505B Manual, Rev. 201013
Warner Instruments
A Harvard Apparatus Company
6
NOMENCLATURE
Text conventions
This manual refers to amplifier controls at three functional levels; control blocks, specific
controls within a block, and settings of specific controls. To minimize the potential for confusion,
we have employed several text conventions which are specified below. Since our goal is to provide
clarity rather than complexity, we welcome any feedback you may wish to provide.
➢ Warner Instrument product numbers are presented using bold type.
➢ References to instrument panel control blocks are specified using UNDERLINED SMALL CAPS.
➢ References to specific controls within a block are specified using SMALL CAPS.
➢ References to individual control settings are specified using italic type.
➢ Special comments and warnings are presented in highlighted text.
Any other formatting should be apparent from context.
Device panel abbreviations
Many controls on the PC-505B have abbreviations associated with them. Several of these
abbreviations are listed here for quick reference. In addition, these and other terms have been
collected and are included in a Glossary at the back of this manual.
Term
Meaning
Sections
CAP COMP
capacitance compensation
FAST CAP COMP
I
m
output current
OUTPUT, METER, REAR PANEL
V
m
membrane voltage
OUTPUT, METER, REAR PANEL
V
c
COMMAND IN voltage
OUTPUT, METER, REAR PANEL
V
c
sum of all command and
compensation voltages
METER
V
c
+ h IN
V
c
plus HOLDING voltage
METER
P STAT
potentiostat mode
OUTPUT, REAR PANEL
Signal polarity conventions
Membrane current (I
m
)
I
m
is indicated as positive when cations flow outward from the pipet tip, through the cell
membrane and into the bath, and/or when anions flow from the bath into the pipet. With