22
Simple Logger
®
II Model L261
APPENDIX B
GLOSSARY
Some general terminology associated with the data collection process is
listed here for convenience.
Bps:
Bits Per Second, a unit of signal transfer speed equal to the
number of elements per second. The Simple Logger
®
II transfers data at
the rate of 115200 bps.
Button:
An actual key on the logger or computer keyboard or a soft key
in the program on the computer screen.
Data logger:
A device used to sample and store electrical signals
representative of physical phenomena such as temperature, pressure
and flow, for long periods of time in an unattended environment.
Download:
The process of transferring data from the logger to the
computer.
Hz:
Hertz, a unit of measure of frequency equivalent to cycles per second.
I/O:
Input/output, a device or port capable of sending or receiving digital
information.
Port:
A name given to any connector allowing input or output of
information.
Processor:
A computing device used to calculate and run a set of
instructions.
Recording session:
A recording session is defined as the time and data
contained within the starting and ending of a recording.
Resolution:
The number of bits in which digitized values will be stored.
Ride-through:
Time during which the AC line voltage has dropped
sufficiently low to not be able to power the instrument.
Zoom:
The ability to select a section of the graph and magnify it for
better readability.
USB:
Universal Serial Bus, a communications port used to access the
Data Logger via a computer program (Dataview
®
).