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4 Operating the Power System
Seamless Measurements
Seamless measurement autoranging for both voltage and current measurements is
available on models N678xA SMU and with Option SMR.
Seamless measurement autoranging enables a wide dynamic measurement range with no data lost
when transitioning across ranges. Seamless autoranging does not include the 10 μA range, which
must be selected manually.
Front Panel Menu Reference
Select Measure\Range.
Select Auto from the voltage or current dropdown
menu. Then press Select.
Simultaneous Measurements
Some models have simultaneous voltage and current measurement capability (refer to
Differences). In this case BOTH voltage and current can be acquired on any measurement.
Front Panel Menu Reference
Not available
Auxiliary Voltage Measurements
This information applies to models N6781A and N6785A only.
Keysight Models N6781A and N6785A have an auxiliary voltage measurement input, whose primary
use is for battery voltage rundown measurements. It may also be suitable for other applications
including general purpose DC voltage measurements between +/-20 VDC. The auxiliary voltage
measurement input is isolated from other commons. It has a bandwidth of about 2 kHz. It has one
input range: −20 to +20 VDC.
130
SCPI Command
To enable seamless voltage or current autoranging on
channel 1:
SENS:VOLT:RANG:AUTO ON,(@1)
SENS:CURR:RANG:AUTO ON, (@1)
SCPI Command
Select the measurement function:
SENS:FUNC:VOLT ON,(@1)
SENS:FUNC:CURR ON,(@1)
Initiate and trigger the measurement system:
INIT:ACQ (@1)
TRIG:ACQ (@1)
Fetch the voltage, current, or power measurement:
FETC:VOLT? (@1)
FETC:CURR? (@1)
FETC:POW? (@1)
Model
Keysight N6700C Series User's Guide
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