Keithley 2601 Reference Manual page 485

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
www.keithley.com
Current measurement accuracy
Range
100.000nA
1.00000 A
10.0000 A
100.000 A
1.00000mA
10.0000mA
100.000mA
1.00000A
1.50000A
16
10.0000A
Temperature Coefficient (0°C–18°C and 28°C–50°C): ±(0.15 × accuracy specification)/°C.
17
Contact Check
Speed
Fast
Medium
Slow
Additional Meter Specifications
Load impedance: Stable into 10,000pF typical.
Common mode voltage: 250VDC.
Common mode isolation: >1G , <4500pF.
Over-range: 101% of source range, 102% of measure range.
Maximum sense lead resistance: 1k for rated accuracy.
Sense input impedance: >10G .
14 De-rate accuracy by Vout/2E11 per °C when operating between 18°C–28°C. Derate accuracy by Vout/2E11 + (0.15 *
Vout/2E11) per °C when operating <18°C and >28°C.
15 Four-wire remote sense only.
16 10A range accessible only in pulse mode.
17 Includes measurement of SENSE HI to HI and SENSE LO to LO contact resistances.
Specifications are subject to change without notice.
SPEC-2611_2612 Rev. A / June 2006
14,12
13
Display resolution
1pA
10pA
100pA
1nA
10nA
100nA
1 A
10 A
10 A
100 A
Maximum measurement time to
memory for 60Hz (50Hz)
1 (1.2)ms
4 (5)ms
36 (42)ms
System SourceMeter
15
Voltage burden
<1mV
<1mV
<1mV
<1mV
<1mV
<1mV
<1mV
<1mV
<1mV
<1mV
17
Models 2611/2612
®
Specifications
Accuracy (1 year)
23°C + 5°C
+ (% rdg.+amps)
0.05% + 100pA
0.025% + 500pA
0.025% + 1.5nA
0.02% + 25nA
0.02% + 200nA
0.02% + 2.5 A
0.02% + 20 A
0.03% + 1.5mA
0.05% + 3.5mA
0.4% + 25mA
Accuracy (1 year)
23°C + 5°C
+ (% rdg.+ohms)
5% + 10
5% + 1
5% + 0.3
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