ZES ZIMMER LMG450, User Manual

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Z E S ZIMMER Electronic Systems GmbH Chapter 15
285
Catchword Meaning
Sensors A small external device which converts a current or voltage
to a signal the LMG can measure.
Serial poll A PC program can ask every connected instrument in series
if it has data to send. Used by
⇒
GPIB.
SHORT headers
Shorter set of commands, equivalent to
⇒
SCPI.
Short term flicker level A result of statistical processing of instantaneous flicker
level quantities over a time period, which typically equals to
10 min.
Shunt input Special socket to connect the small voltages of an external
shunt to the correct channel.
Shuttle knob
⇒
Rotary knob.
Signal coupling
⇒
AC coupling; This coupling affects the measured values.
Signal source Where you get a signal from; e.g. frequency generator.
Slewrate Relation between the voltage rise and the used time.
Softkey This keys change the meaning depending on the menu.
Software options Options which can be installed with software.
Software update Updates your software of the LMG. Available on the
homepage: www.zes.com.
Status byte register Register in which several flags are set according to the status
of the LMG.
String Characters lined up in a row.
Sub menu A subdivision of a menu.
Synchronisation Periodic signals have to be measured for an integer number
of periods. So the LMG must synchronise it’s measuring to
the signal to get stable values.
System time Main time of the meter.
T
Table Special format for output of measuring values in a table.
Terminal Each device which takes an account on a data transfer.
Terminal program
⇒
Hyperterminal.
THD values Total harmonic distortion, relation of the harmonics of a
signal to the fundamental.
Time depended signals Signal of which the values change depending on the time.
Time domain views Values are displayed over time.
Total Harmonic Current Sum of all harmonics starting with 2
nd
order.
Total harmonic distortion
⇒
THD.
Total harmonic distortion factor
including noise (THD+N)
⇒
THD with included noise.