Keithley System SourceMeter 2601B Instrument Specifications page 7

HIGH CAPACITANCE MODE
Accuracy specifications
Voltage source output
settling time
Current measure settling time
Capacitor leakage
performance
19
Using HIGH-C scripts
Mode change delay
Voltmeter input impedance
Noise
10 Hz to 20 MHz
Range change overshoot
16
High Capacitance Mode specifications are for DC measurements only.
17
100 nA range is not available in High Capacitance Mode.
18
High Capacitance Mode utilizes locked ranges. Auto range is disabled.
19
Part of KI Factory scripts. See the Series 2600B Reference Manual for details.
Specifications are subject to change without notice
SPEC-2602B Rev. B / February 2014
Models 2601B, 2602B and 2604B System SourceMeter Instrument Specifications
16,17, 18
Accuracy specifications are applicable in both Normal and High Capacitance Modes.
Time required to reach within 0.1 % of final value after source level command is
processed on a fixed range.
Current limit = 1 A
Voltage range
100 mV
1 V
6 V
40 V
Time required to reach within 0.1 % of final value after source level command is
processed on a fixed range
Values below for Vout = 1 V unless noted
Current range
3 A and 1A
100 mA and 10 mA
1 mA
100 µA
10 µA
1 µA
200 ms @ 50 nA
 Load = 5 µF in parallel with 10 MΩ

Test: 5 V step and measure
Current ranges of 100 µA and above:

11 ms delay for both in and out of High Capacitance Mode
Current ranges below 100 µA:

250 ms delay into High Capacitance Mode

11 ms delay out of High Capacitance Mode
10 GΩ in parallel with 3300 pF
< 30 mV peak-peak

6 V range
Voltage:

< 400 mV + 0.1 % of larger range

Overshoot into a 100 kΩ load, 20 MHz bandwidth
Settling time with C = 4.7 µF
load
< 200 µs
< 200 µs
< 200 µs
< 7 ms
Settling time
> 2 Ω)
< 120 µs (R
load
< 100 µs
< 3 ms
< 3 ms
< 230 ms
< 230 ms
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