Keithley 2635 Reference Manual

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
www.keithley.com
Specifications are subject to change without notice.
SPEC-2611_2612 Rev. A / June 2006 Page 5 of 6
Models 2611/2612
System SourceMeter
®
Specifications
Current measurement accuracy
14,12
Range Display resolution
13
Voltage burden
15
Accuracy (1 year)
23°C +
5°C
+
(% rdg.+amps)
100.000nA 1pA <1mV 0.05% + 100pA
1.00000ȝA 10pA <1mV 0.025% + 500pA
10.0000ȝA 100pA <1mV 0.025% + 1.5nA
100.000ȝA 1nA <1mV 0.02% + 25nA
1.00000mA 10nA <1mV 0.02% + 200nA
10.0000mA 100nA <1mV 0.02% + 2.5ȝA
100.000mA 1ȝA <1mV 0.02% + 20ȝA
1.00000A 10ȝA <1mV 0.03% + 1.5mA
1.50000A 10ȝA <1mV 0.05% + 3.5mA
10.0000A
16
100ȝA <1mV 0.4% + 25mA
Temperature Coefficient (0°C–18°C and 28°C–50°C): ±(0.15 × accuracy specification)/°C.
Contact Check
17
Speed
Maximum measurement time to
memory for 60Hz (50Hz)
17
Accuracy (1 year)
23°C +
5°C
+
(% rdg.+ohms)
Fast 1 (1.2)ms 5% + 10
Medium 4 (5)ms 5% + 1
Slow 36 (42)ms 5% + 0.3
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.

Keithley 2635 Specifications

General

Brand	Keithley
Model	2635
Category	Measuring Instruments
Language	English