Table 6-1 Model 6430 Ranges; Range And Digits - Keithley 6430 Instruction Manual

Sub-femtoamp remote sourcemeter
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6-2
Range, Digits, Speed, and Filters

Range and digits

Range
The selected measurement range affects the accuracy of the measurements as well as the
maximum signal that can be measured. Note that with the output off, dashed lines are displayed
(i.e., --.---- µA), to indicate that measurements are not being performed.
Available ranges
The SourceMeter consists of a mainframe and a Remote PreAmp. The mainframe can be
used with or without the Remote PreAmp. However, when not using the Remote PreAmp, the
lower current ranges and higher resistance ranges are not available. Table 6-1 lists the available
ranges for the SourceMeter.
Table 6-1
Model 6430 ranges
With Remote
PreAmp
200V
20V
2V
200mV
*Manual ohms mode only
Voltage Ranges
Mainframe
With Remote
Only
200V
20V
2V
200mV
Current Ranges
Mainframe
PreAmp
Only
100mA
100mA
10mA
10mA
1mA
1mA
100µA
100µA
10µA
10µA
1µA
1µA
100nA
10nA
1nA
100pA
10pA
1pA
Ohms Ranges
With Remote
Mainframe
PreAmp
Only
<2Ω*
<2Ω*
20Ω
20Ω
200Ω
200Ω
2kΩ
2kΩ
20kΩ
20kΩ
200kΩ
200kΩ
2MΩ
2MΩ
20MΩ
20MΩ
200MΩ
2GΩ
20GΩ
200GΩ
2TΩ
20TΩ

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