4601 I-V Meter Operation Manual
5.3.5 Spot Measurement
5-23
5.3.5
Spot Measurement
The spot measurement operates only in remote control (GPIB/USB) and not by using the keys.
This function returns measured data when recognizing specified commands regardless of the source mode
and Operate/Suspend/Standby.
The integration time for measurement can be set separately from the integration time for sweep.
NOTE:
ADC3 spot measurement returns to the previous measurement status after the specified function is mea-
sured.
(It returns to the Ir function in the sweep mode.)
Example of use (in the sweep mode)
As for I-V characteristic measurement of solar cells, temperature measurement is performed before and
after I-V measurement with the output status kept in Operate.
In ADC3 measurement, temperature measurement Tc1 is performed before and after sweep and reference
cell current measurement Ir is performed during sweep.
AD converter
Measurement function
Command
ADC1
Output voltage measurement
Vm
SPM?1
ADC2
Output current measurement
Im
SPM?2
ADC3
Reference cell/external voltage/temperature measurement
Ir:
Reference cell current measurement
SPM?3
Em: External voltage measurement
SPM?4
Tc1: Ch1 T-type thermocouple measurement
SPM?5
Pt1: Ch1 resistance bulb (Pt) temperature measurement
SPM?6
Ad1: Ch1 IC sensor AD590 temperature measurement
Tc2: Ch2 T-type thermocouple measurement
SPM?8
Pt2: Ch2 resistance bulb (Pt) temperature measurement
SPM?9
Ad2: Ch2 IC sensor AD590 temperature measurement
OPERATE
TRIGGER
Stop value
SPOT (SPM?5)
SPOT (SPM?5)
ADC3 measurement
Source
ADC1, ADC2
measurement
Bias value
Start value
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