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2425

Keithley*misc

The Keithley 2425 is a 100W, 3A SourceMeter Unit (SMU) designed for high-power precision electronic testing, providing four-quadrant voltage and current sourcing and measurement in a compact half-rack instrument.

Electronic TestingSemiconductor TestingSource Measure Unit

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488), RS-232, Digital I/O
Display12-character alphanumeric vacuum fluorescent (VFD), 2 lines

Physical

ParameterValue
Power Supply100 V to 240 V AC, 50 Hz/60 Hz, 250 VA maximum
Operating Temperature0°C to 50°C
Dimensions (W×H×D)213 mm × 89 mm × 370 mm
Weight4.1 kg

Voltage Source Specifications

ParameterValue
Voltage Source Ranges200 mV, 2 V, 20 V, 100 V
Voltage Source 200mV Range Resolution5 µV
Voltage Source 2V Range Resolution50 µV
Voltage Source 20V Range Resolution500 µV
Voltage Source 100V Range Resolution5 mV
Voltage Source 200mV Range Accuracy±(0.02% of rdg + 600 µV)
Voltage Source 2V Range Accuracy±(0.02% of rdg + 600 µV)
Voltage Source 20V Range Accuracy±(0.02% of rdg + 2.4 mV)
Voltage Source 100V Range Accuracy±(0.02% of rdg + 12 mV)
Voltage Limit Compliance Range200 mV to 105 V

Current Source Specifications

ParameterValue
Current Source Ranges10 µA, 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A
Current Source 10µA Range Resolution500 pA
Current Source 100µA Range Resolution5 nA
Current Source 1mA Range Resolution50 nA
Current Source 10mA Range Resolution500 nA
Current Source 100mA Range Resolution5 µA
Current Source 1A Range Resolution50 µA
Current Source 3A Range Resolution150 µA
Current Source 10µA Range Accuracy±(0.033% of rdg + 6 nA)
Current Source 100µA Range Accuracy±(0.033% of rdg + 60 nA)
Current Source 1mA Range Accuracy±(0.033% of rdg + 600 nA)
Current Source 10mA Range Accuracy±(0.033% of rdg + 6 µA)
Current Source 100mA Range Accuracy±(0.033% of rdg + 60 µA)
Current Source 1A Range Accuracy±(0.067% of rdg + 900 µA)
Current Source 3A Range Accuracy±(0.067% of rdg + 2.7 mA)
Current Limit Compliance Range10 µA to 3.15 A

Voltage Measurement Specifications

ParameterValue
Voltage Measure Ranges200 mV, 2 V, 20 V, 100 V
Voltage Measure 200mV Range Resolution1 µV
Voltage Measure 2V Range Resolution10 µV
Voltage Measure 20V Range Resolution100 µV
Voltage Measure 100V Range Resolution1 mV
Voltage Measure 200mV Range Accuracy±(0.012% of rdg + 300 µV)
Voltage Measure 2V Range Accuracy±(0.012% of rdg + 300 µV)
Voltage Measure 20V Range Accuracy±(0.015% of rdg + 1.5 mV)
Voltage Measure 100V Range Accuracy±(0.015% of rdg + 10 mV)
Voltage Measure Input Impedance>10 GΩ

Current Measurement Specifications

ParameterValue
Current Measure Ranges10 µA, 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A
Current Measure 10µA Range Resolution100 pA
Current Measure 100µA Range Resolution1 nA
Current Measure 1mA Range Resolution10 nA
Current Measure 10mA Range Resolution100 nA
Current Measure 100mA Range Resolution1 µA
Current Measure 1A Range Resolution10 µA
Current Measure 3A Range Resolution100 µA
Current Measure 10µA Range Accuracy±(0.027% of rdg + 700 pA)
Current Measure 100µA Range Accuracy±(0.025% of rdg + 6 nA)
Current Measure 1mA Range Accuracy±(0.027% of rdg + 60 nA)
Current Measure 10mA Range Accuracy±(0.025% of rdg + 600 nA)
Current Measure 100mA Range Accuracy±(0.027% of rdg + 6 µA)
Current Measure 1A Range Accuracy±(0.05% of rdg + 600 µA)
Current Measure 3A Range Accuracy±(0.05% of rdg + 1.8 mA)

Operating Ranges & Power Envelope

ParameterValue
Maximum Output Power100 W (source), 40 W (sink)
Quadrant Operation Limits4-Quadrant (source or sink capability)
Maximum Common Mode Voltage250 V DC
Guard Output Resistance<0.1 Ω
Guard Offset Voltage<150 µV

System Speed & Memory

ParameterValue
Reading Buffer Capacity5,000 readings
Maximum Pass/Fail Test Rate500 µs per test (2,000 tests/s)

Connectivity & Interfaces

ParameterValue
GPIB InterfaceIEEE-488.1 and IEEE-488.2 compliant
RS-232 InterfaceDB-9 male, 3-wire or 5-wire
Digital I/O Port4-bit output, 1-bit input, DB-9 female component handler interface
Sensing Configuration2-wire local sense or 4-wire remote sense
Output Connection TypeFront-panel safety banana jacks, rear-panel screw terminal barrier strip
Trigger Link Port8-pin micro-DIN

Software & Programming

ParameterValue
Programming Languages / Command SetsSCPI (Standard Commands for Programmable Instruments)
Driver SupportLabVIEW, LabWindows/CVI, IVI-C

Power & Environmental

ParameterValue
AC Input Voltage Range100 V to 240 V AC (±10%)
AC Input Frequency Range50 Hz / 60 Hz
Storage Temperature Range-40°C to 70°C
Operating Humidity RangeMaximum 70% RH at 35°C (non-condensing)
Cooling MechanismForced air cooling (internal fan)

Physical & Safety Specs

ParameterValue
Calibration Interval1 Year
Overvoltage Protection2V, 20V, 40V, 60V, 80V, 100V, NONE

Resistance Measurement

ParameterValue
Resistance Measure Ranges2.0 Ω to 20 MΩ
Max Lead Resistance (4-wire)10% of range per lead (20 Ω to 200 Ω ranges), 1 kΩ per lead (2 kΩ to 20 MΩ ranges)

Performance & Speed

ParameterValue
Measurement Speed (0.01 PLC)1750 readings/s (to memory)
Measurement Speed (0.1 PLC)740 readings/s (to memory)
Measurement Speed (1.0 PLC)44 readings/s (to memory)
NMRR>60 dB (at 50 Hz or 60 Hz with 1 PLC or greater)
CMRR120 dB (at DC, 50 Hz, or 60 Hz)

Sweep Capabilities

ParameterValue
Sweep TypesLinear, Log, Custom, Source Memory
Source Memory List Size100 points

General & Environmental

ParameterValue
Warm-up Time1 hour
Maximum Altitude2000 m
Power Consumption250 VA

Guard Specifications

ParameterValue
Maximum Guard Output Current2 mA

Sensing Specifications

ParameterValue
Maximum Remote Sense Lead Drop3 V (maximum voltage difference between Source and Sense HI or LO)

Interfaces

ParameterValue
Digital I/O Lines4

Memory & Storage

ParameterValue
Saved Setups Capacity3 user-defined setups

Programming & Control

ParameterValue
SCPI Version ComplianceSCPI-1996.0

Physical Specifications

ParameterValue
Rackmount Dimensions2U height, half-rack width

Performance

ParameterValue
Transient Response Time< 250 µs (to recover to within 0.1% after 50% load change)