Newtons4th PSM3750 NumetriQ, Startup Manual, Page: 18 / 104

PSM3750 Quick User Guide
Page 16
Coupling
ac+dc
Default setting will allow both ac and dc signals to be
calculated in all measurements
ac
Select ac for measuring signals that are biased on a
dc level (such as an amplifier operating on a single
supply or the output of a dc PSU)
CH2 Channel 2 input control
Input
Direct
Select if input signal is connected directly into the
PSM3750 internal shunt connectors
External Shunt
Select if Channel 2 input signal is via an external
shunt
External Attenuator
Select if Channel 2 input signal is via an external
attenuator
Autoranging
Full Autorange
Default setting. Full autoranging will be selected and
implemented within the instrument
Range up Only
Selecting this option will allow the test being carried
out to find the highest range via peak detection and
hold on this range. Once this value has been found
another test can be carried out by pressing the
“Trigger” button which will restart from the minimum
value parameter. Essential for low frequency
measurements
Manual
Selecting this option will allow the user to set up the
range from the configured measurements available.
Essential for low frequency measurements
Minimum Range
Select the minimum voltage range from the drop
down menu
Scale Factor Manually set the scale factor required
Attenuator
Manually enter scale factor if input is via external
attenuator
Shunt
Manually enter shunt value if input is via external
shunt
Coupling
ac+dc
Default setting will allow both ac and dc signals to be
calculated in all measurements
ac
Select ac for measuring signals that are biased on a
dc level (such as an amplifier operating on a single
supply or the output of a dc PSU)