Keithley 2401 Low Voltage SourceMeter

Keithley 2401 Low Voltage SourceMeter
Low Voltage SourceMeter Instrument
The economical Model 2401 is the latest member
of Keithley’s Series 2400 SourceMeter family,
designed specifically for low voltage test applications that demand tightly coupled sourcing and
measurement. Like all Series 2400 SourceMeter
models, the Model 2401 provides precision
voltage and current sourcing and measurement capabilities (1μV–20V and 10pA–1A). It
is both a highly stable DC power source and
a true instrument-grade 5½-digit multimeter.
The power source characteristics include low
noise, precision, and readback. The multimeter
capabilities include high repeatability and low
noise. The result is a compact, single-channel,
DC parametric tester. In operation, it can act as a
voltage source, a current source, a voltage meter,
a current meter, and an ohmmeter.
• 1μV–20V and 10pA–1A precision
voltage and current sourcing
and measurement capabilities
• Five instruments in one (IV
Source, IVR Measure)
• Source and sink (4-quadrant)
operation
• 0.012% basic measure accuracy
with 5½-digit resolution
• 2-, 4-, and 6-wire remote
V-source and measure sensing
• 1700 readings/second at 4½
digits via GPIB
• Standard SCPI GPIB, RS-232,
and Keithley Trigger Link
interfaces
• Keithley LabTracer 2.0 I-V curve
tracing application software
(download)
The Lowest Cost Precision SMU (source measurement unit) on the Market
The Model 2401 is the lowest cost precision SMU instrument on the market, offering an economical
20W I-V source/measure alternative to configuring systems and test benches with separate programmable power supplies and digital multimeters. The Model 2401 also offers an economical alternative
for applications for which precision programmable power supplies cannot deliver sufficient accuracy,
signal range, source setting, or readback resolution.
The Model 2401 offers users all the same accuracy, speed, and measurement functions as the rest
of the instruments in the Series 2400 family. It shares a common operating code base with the rest
of the family, so it can be operated and programmed within its range boundaries just like any other
Series 2400 instrument. The only functional differences between the Model 2401 and the Model 2400
are that the Model 2401 does not include 200V source and measure ranges or back panel Digital
I/O port capabilities. (However, the DB-9 connector is still provided to provide test fixture interlock ­signals.)
Model 2401 Applications
Manufacturers of components and modules for
the communications, semiconductor, computer,
automotive, and medical industries will find the
Model 2401 invaluable for a wide range of characterization and production test applications.
Its [email protected] output makes it ideal for characterizing the current-voltage (I-V) performance of
photovoltaic (solar) cells, high brightness LEDs
(HBLEDs), low voltage materials, CMOS circuits
and low-power semiconductor devices, as well as
resistance measurements on these devices.
The Model 2401 is well suited for use as a gate
bias in applications involving devices with
three or more terminals such as HBLEDs and
photovoltaic cells, reducing total system hardware costs. It also provides sufficient range for
characterizing low voltage materials and devices
(including graphene and other nano- and
MEMs-type structures), which are inherently
low ­voltage ­oriented.
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Typical Applications
• High brightness LED (DC
and pulse)
• Photovoltaic cell efficiency
(source and sink)
• Precision DC power supply/
current measure
• Discrete semiconductor devices
• Passive devices
• Laser diodes, laser diode
modules, LEDs, photodetectors
• Connectors, switches, relays
• Low voltages/resistances
• LIV
• IDDQ
• I-V characterization
O F
C O N F I D E N C E
Tightly coupled precision
Sidesourcing
Text
and measurement
®
SOURCE AND MEASURE
2401
2401
Ordering Information
Tightly coupled precision
Sidesourcing
Text
and measurement
2401
Low Voltage
SourceMeter®
Instrument
Accessories Supplied
Model 8605 Test Leads
LabVIEW Software Driver
(downloadable)
ACCESSORIES AVAILABLE
TEST LEADS
1754
5804
5805
5808
5809
8607
CA-18-1
AND PROBES
2-Wire Universal 10-Piece Test Lead Kit
Kelvin (4-Wire) Universal 10-Piece Test Lead Kit
Kelvin (4-Wire) Spring-Loaded Probes
Low Cost Single-pin Kelvin Probe Set
Low Cost Kelvin Clip Lead Set
2-Wire, 1000V Banana Cables, 1m (3.3 ft)
Shielded Dual Banana Cable, 1.2m (4 ft)
SWITCHING
7001
7002
7019-C
7053
HARDWARE
Two-Slot Switch System
Ten-Slot Switch System
6-Wire Ohms Switch Card
High-Current Switch Card
®
Advantages of a Tightly Integrated Instrument
By linking source and measurement circuitry in a single unit, the Model 2401 offers a variety of
advantages over systems configured with separate source and measurement instruments. For
­example, it minimizes the time required for test station development, setup, and maintenance, while
lowering the overall cost of system ownership. It simplifies the test process itself by eliminating many
of the complex synchronization and connection issues associated with using multiple instruments. Its
compact half-rack size conserves precious “real estate” in the test rack or bench.
Much More than a Power Supply
The tightly coupled nature of a SourceMeter instrument provides many advantages over solutions
configured from separate instruments such as a precision power supply and a digital multimeter.
For example, the Model 2401 provides faster test times by reducing GPIB traffic and simplifies the
remote programming interface. It also protects the device under test from damage due to accidental
overloads, thermal runaway, etc. Both the Model 2401’s current and voltage source are programmable with readback to help maximize device measurement integrity. If the readback reaches a programmed compliance limit, then the source is clamped at the limit, providing fault protection.
Imeter
Triggering and Control
8501-1
Trigger Link Cable, DIN-to-DIN, 1m (3.3 ft)
8501-2
Trigger Link Cable, DIN-to-DIN, 2m (6.6 ft)
8502
Trigger Link to BNC Breakout Box
8503
Trigger Link Cable, DIN-to-Dual BNC, 1m (3.3 ft)
8505
Male to 2-Female Y-DIN Cable for Trigger Link
RACK MOUNT KITS
4288-1
Single Fixed Rack Mount Kit
4288-2
Dual Fixed Rack Mount Kit
4288-4
Dual Fixed Rack Mount Kit
4288-5
Shelf Type Side by Side Rack Mounting Kit
4288-9
Dual Fixed Rack Mounting Kit
Services Available
TRN-2400-1C
1-year factory warranty extended to 3 years
from date of shipment
Course: Unleashing the Power of Your
SourceMeter Instrument
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IN/OUT HI
Remote
SENSE HI
DUT
Vmeter/Compliance
Remote
SENSE LO
Local
IN/OUT LO
Source I, Measure V, I, or W configuration
Imeter/Compliance
Local
IN/OUT HI
Remote
SENSE HI
Vmeter
Vsource
DUT
Feedback to
Adjust Vsource
Software
LabTracer 2.0 Curve Tracing Software (downloadable)
2401-3Y-EW
Local
Isource
CABLES/ADAPTERS
7007-1
Shielded GPIB Cable, 1m (3.3 ft)
7007-2
Shielded GPIB Cable, 2m (6.6 ft)
7009-5
RS-232 Cable
8620
Shorting Plug
Communication Interface
KPCI-488LPA IEEE-488 Interface/Controller for the PCI Bus
KUSB-488B
IEEE-488 USB-to-GPIB Interface Adapter
SOURCE AND MEASURE
Low Voltage SourceMeter Instrument
Remote
SENSE LO
Local
IN/OUT LO
Source V, Measure I, V, or W configuration A
G R E A T E R
M E A S U R E
O F
C O N F I D E N C E
2401
Low Voltage SourceMeter Instrument
I-V Characteristics
Like all Series 2400 SourceMeter instruments,
the Model 2401 provides four-quadrant operation. In the first and third quadrants, it operates
as a source, delivering power to a load. In the
second and fourth quadrants, it operates as a
sink, dissipating power internally. Voltage, current, and resistance can be measured during
source or sink operation.
Trigger Link Interface
All SourceMeter instruments include Keithley’s unique Trigger Link interface, which provides high
speed, seamless communications with many of Keithley’s other instruments. For example, use the
Trigger Link interface to connect a SourceMeter instrument with a Series 7000 Switching System
for a complete multipoint test solution. With Trigger Link, Series 7000 Switching Systems can
be controlled by a SourceMeter instrument during a high speed test sequence independent of a
­computer and GPIB.
+100mA
–200V
–20V
+20V
+200V
–100mA
Duty cycle
limited
–1A
Model 2401 four-quadrant operation
Built-In Test Sequencer
(Source Memory List)
The Source Memory list provides faster and easier testing by allowing you to set up and execute
up to 100 different tests that run without PC
­intervention.
• Stores up to 100 instrument configurations,
each containing source settings, measurement
­settings, pass/fail criteria, etc.
• Pass/fail limit test as fast as 500µs per point
• Onboard comparator eliminates the delay
caused when sending data to the computer
for analysis
• Built-in, user-definable math functions to
calculate derived parameters
Standard and Custom Sweeps
Sweep solutions greatly accelerate testing with
automation hooks. Three basic sweep waveforms
are provided that can be programmed for singleevent or continuous operation. They are ideal for
I/V, I/R, V/I, and V/R characterization.
• Linear Staircase Sweep: Moves from the start
level to the stop level in equal linear steps
• Logarithmic Staircase Sweep: Done on a
log scale with a specified number of steps
per decade
• Custom Sweep: Allows construction of special
sweeps by specifying the number of measurement points and the source level at each point
• Up to 1700 readings/second at 4½ digits to
the GPIB bus
• 5000 5½-digit readings can be stored in the
non-volatile buffer memory
Stop
Start
Bias
Bias
Linear staircase sweep
Stop
Start
Bias
Bias
Logarithmic staircase sweep
Stop
Start
User
defined
steps
Bias
Bias
Custom sweep
I
Example Test Sequence
Test
Pass/Fail Test
If Passes Test
If Fails Test
Test 1
Check V F1 at 100mA
against pass/fail limits
Go to Test 2
Test 2
Check V F2 at 1A against
pass/fail limits
Go to Test 3
Test 3
Check leakage ­current at
–500V and test against
pass/fail limits
1.Bin part to good bin
2.Transmit readings to computer
while handler is placing new part
3.Return to Test 1
1.Bin part to bad bin
2.Transmit data to computer while handler is
placing new part
3.Return to Test 1
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VF2
VF1 Test 2
Test 1
IR
Test 3
M E A S U R E
O F
C O N F I D E N C E
V
SOURCE AND MEASURE
+1A
Automation for Speed
A SourceMeter instrument streamlines production testing. It sources voltage or current while making
measurements without needing to change connections. It is designed for reliable operation in nonstop production environments. To provide the throughput demanded by production applications,
the SourceMeter instrument offers many built-in features that allow it to run complex test sequences
without computer control or GPIB communications slowing things down.
Tightly coupled precision sourcing and measurement
®
2401
Low Voltage SourceMeter Instrument
®
Tightly coupled precision sourcing and measurement
Unique 6-Wire Ohms Technique
The Model 2401 can make standard 4-wire, split Kelvin, and 6-wire, guarded ohms measurements and can be configured for either the constant current or constant voltage method. The 6-wire ohms technique:
Advantages of a Tightly Integrated Instrument
By linking source and measurement circuitry in a single unit, these instruments offer a variety of advantages over systems configured with separate
source and measurement instruments. For example, they minimize the
time required for test station development, setup, and maintenance, while
lowering the overall cost of system ownership. They simplify the test process itself by eliminating many of the complex synchronization and connection issues associated with using multiple instruments. And, their compact
half-rack size conserves precious “real estate” in the test rack or bench.
• Uses guard and guard sense leads in addition to the 4-wire sense and
source leads
• Locks out parallel current paths when measuring resistor networks or
hybrid circuits to isolate the component under test
Power of Five Instruments in One
(IV Source, IVR Measure)
The tightly coupled nature of a SourceMeter instrument provides many
advantages over separate instruments. For example, it provides faster
test times by reducing GPIB traffic and simplifies the remote programming interface. It also protects the device under test from damage due to
accidental overloads, thermal runaway, etc. Both the current and voltage
source are programmable with readback to help maximize device measurement integrity. If the readback reaches a programmed compliance limit,
then the source is clamped at the limit, providing fault protection.
• Allows users to configure and plot data easily from Series 2400
SourceMeter instruments, making characterization of 2-, 3-, and
4-terminal devices a snap
+
GUARD
GUARD SENSE
Imeter
IN/OUT HI
Unlike narrow-performance SMU platforms, including board-level products, which often deliver sub-optimal analog measurements due to significant loss in signal integrity, accuracy, power, and/or speed due to interconnect, thermal management, and other issues, all Series 2400 SourceMeter
instruments combine the industry’s widest dynamic range with uncompromising throughput and superior measurement integrity.
SENSE HI
DUT
R2
Isource
Vmeter
R1
R3
SENSE LO
IN/OUT LO
SOURCE AND MEASURE
6-Wire Ohms Circuit. All test current flows through R1 because the
high current guard drives the voltage across R2 to 0V.
Free LabTracer 2.0 device characterization software (downloadable).
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C O N F I D E N C E
2401
Low Voltage SourceMeter Instrument
Other Series 2400 SourceMeter Instruments
If your application requires a wider sourcing or measurement range than the Model 2401 can provide, other Series 2400 instruments likely offer the range you need. Consult the range graphs shown
here or the instrument specifications for details. Series 2600A System SourceMeter instruments are
also available to address applications that require integrating multiple source and measure channels
and/or pulsing capabilities.
+1A
+1A
+200mA
+100mA
+20mA
–200V
–20V
+20V
2400
only
+200V
–1100V –200V
–20V
+20V
2400
only
+200V +1100V
–20mA
–100mA
–100mA
Duty cycle
limited
–1A
Model 2400 and 2400-LV SourceMeter Instruments.
–60V
–20V
–1A
Model 2410 High-Voltage SourceMeter Instrument.
+3A
+3A
+1A
+1A
+100mA
+100mA
+20V +60V
–100V –60 –20
+20 +60 +100V
–100mA
–1A
–3A
Duty cycle
limited
Tightly coupled precision sourcing and measurement
®
–100mA
–1A
Duty cycle
limited
Duty cycle
limited
–3A
Model 2420 3A SourceMeter Instrument.
Model 2425 100W SourceMeter Instrument.
+10A
5A
+3A
3A
+1A
–100V –60 –20
+20 +60 +100V
100mA
+10V
–10V
–40V
–100mA
–100mA
–1A
–3A
–10A
40V
–1A
Duty cycle
limited
Pulse mode
only
Model 2430 1kW Pulse Mode SourceMeter Instrument.
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-–3A
Duty cycle
limited
-5A
Model 2440 5A SourceMeter Instrument.
A
G R E A T E R
M E A S U R E
O F
C O N F I D E N C E
SOURCE AND MEASURE
1A
+100mA
Series 2400
Low Voltage SourceMeter Line
®
Voltage Accuracy (Local or Remote Sense)
Model
Series 2400 condensed
Side Text specifications
2400, 2400-C
2401
Range
200.000mV
2.00000V
20.0000V
200.000V
200.000mV
2.00000V
20.0000V
Programming
Resolution
5µV
50µV
500µV
5mV
5µV
50µV
500µV
Source1
Accuracy (1 Year)
23°C ±5°C
±(% rdg. + volts)
0.02% + 600 µV
0.02% + 600 µV
0.02% + 2.4 mV
0.02% + 24 mV
0.02% + 600 µV
0.02% + 600 µV
0.02% + 2.4 mV
Default
Measurement
Resolution
1 µV
10 µV
100 µV
1 mV
1 µV
10 µV
100 µV
Temperature Coefficient (0°–18°C and 28°–50°C): ±(0.15 × accuracy specification)/°C.
Voltage Regulation: Line: 0.01% of range. Load: 0.01% of range + 100µV.
Over Voltage Protection: User selectable values, 5% tolerance. Factory default = none.
Current Limit: Bipolar current limit (compliance) set with single value. Min. 0.1% of range.
Overshoot: <0.1% typical (full scale step, resistive load, 10mA range).
Measurement 2, 3, 4
Accuracy (1 Year)
23°C ±5°C
±(% rdg. + volts)
0.012% + 300µV
0.012% +300µV
0.015% + 1.5 mV
0.015% + 10 mV
0.012% + 300µV
0.012% +300µV
0.015% + 1.5 mV
Output Slew Rate
(±30%)
Source/Sink Limit
0.08 V/µs
0.5 V/µs
±21 V @ ±1.05 A
±210 V @ ±105 mA
±21 V @ ±1.05 A
0.08 V/µs
ADDITIONAL SOURCE SPECIFICATIONS (All Models)
TRANSIENT RESPONSE TIME: 30µs minimum for the output to recover to its spec. following a
step change in load.
COMMAND PROCESSING TIME: Maximum time required for the output to begin to change
following the receipt of :SOURce:VOLTage|CURRent <nrf> command. Autorange On: 10ms.
Autorange Off: 7ms.
OUTPUT SETTLING TIME: Time required to reach 0.1% of final value after command is processed. 100µs typical. Resistive load. 10µA to 100mA range.
DC FLOATING VOLTAGE: Output can be floated up to ±250VDC (Model 2440 ±40VDC) from
chassis ground.
REMOTE SENSE: Up to 1V drop per load lead.
COMPLIANCE ACCURACY: Add 0.3% of range and ±0.02% of reading to base specification.
OVER TEMPERATURE PROTECTION: Internally sensed temperature overload puts unit in
standby mode.
RANGE CHANGE OVERSHOOT: Overshoot into a fully resistive 100kW load, 10Hz to 1MHz BW,
adjacent ranges: 100mV typical, except 20V/200V (20V/60V on Model 2420), 20V/100V on Model
2425 and 2430, range boundary, and Model 2440.
MINIMUM COMPLIANCE VALUE: 0.1% of range.
NOTES
1. 2400, 2410 Only: Specifications valid for continuous output currents below 105mA. For operation above 105mA
continuous for >1 minute, derate accuracy 10%/35mA above 105mA.
2. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200mV, 1A, 10A
ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200mV, 1A, 10A ranges, add
0.5%.
3. Accuracies apply to 2- or 4-wire mode when properly zeroed.
4. In pulse mode, limited to 0.1 PLC measurement.
Current Accuracy (Local or Remote Sense)
Model
SOURCE AND MEASURE
2400, 2400-C,
2401
Range
1.00000µA
10.0000µA
100.000µA
1.00000mA
10.0000mA
100.000mA
1.00000A 2
Programming
Resolution
50 pA
500 pA
5 nA
50 nA
500 nA
5 µA
50 µA
Source 1, 3
Accuracy
(1 Year) 3
23°C ±5°C
±(% rdg. + amps)
0.035% + 600 pA
0.033% + 2 nA
0.031% + 20 nA
0.034% + 200 nA
0.045% + 2 µA
0.066% + 20 µA
0.27 % + 900 µA
Temperature Coefficient (0°–18°C and 28°–50°C): ±(0.15 × accuracy specification)/°C.
CURRENT Regulation: Line: 0.01% of range. Load: 0.01% of range (except Model 2440
5A range 0.05%) + 100pA.
Voltage LIMIT: Bipolar voltage limit (compliance) set with single value. Min. 0.1% of range.
OVERSHOOT: <0.1% typical (1mA step, RL = 10kW, 20V range for Model 2400, 2410, 2420, 2425,
2430), (10V range for Model 2440).
Source/Sink Limit
±1.05A @ ±21 V
NOTES
1. 2400, 2401, 2410 Only: Specifications valid for continuous output currents below 105mA. For operation above
105mA continuous for >1 minute, derate accuracy 10%/35mA above 105mA.
2. Full operation (1A) regardless of load to 30°C (50°C for Model 2420 and 2440). Above 30°C (50°C for Model
2420 and 2440) ambient, derate 35mA/°C and prorate 35mA/W load. 4-wire mode. For current sink operation
on 1A, 3A, or 5A ranges, maximum continuous power is limited to approximately 1/2 rated power or less,
depending on current, up to 30°C ambient. See power equations in the User’s Manual to calculate allowable
duty cycle for specific conditions.
3. For sink mode, 1µA to 100mA range, accuracy is:
Model 2400, 2401: ±(0.15% + offset*4). Models 2410, 2420, 2425, 2430, 2440: ±(0.5% + offset*3).
For 1A range, accuracy is:
Model 2400, 2401: ±(1.5% + offset*8). Models 2410, 2420, 2425, 2430, 2440: ±(1.5% + offset*3).
4. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200mV, 1A, 10A
ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200mV, 1A, 10A ranges,
add 0.5%.
5. Accuracies apply to 2- or 4-wire mode when properly zeroed.
6. In pulse mode, limited to 0.1 PLC measurement.
Contact Check Specifications (requires -C version)
(Not available for Model 2401)
Speed: 350µs for verification and notification.
Contact Check:
2 W15 W50 W
No contact check failure
<1.00 W<13.5 W<47.5 W
Always contact check failure
>3.00 W>16.5 W>52.5 W
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Default Measurement
Resolution
10 pA
100 pA
1 nA
10 nA
100 nA
1 µA
10 µA
Measurement 4, 5, 6
Accuracy (1 Year)
23°C ±5°C
±(% rdg. + amps)
0.029% + 300 pA
0.027% + 700 pA
0.025% + 6 nA
0.027% + 60 nA
0.035% + 600 nA
0.055% + 6 µA
0.22 % + 570 µA
A
G R E A T E R
M E A S U R E
O F
C O N F I D E N C E
Series 2400
Low Voltage SourceMeter Line
Resistance Measurement Accuracy (Local or Remote Sense)1, 2, 5
Range
Default
Resolution
Default Test
Current
2400, 2401
<0.20000 W3
–
–
Normal Accuracy
(23°C ±5°C)
1 Year, ±(% rdg. + ohms)
Enhanced Accuracy
(23°C ±5°C) 4
1 Year, ±(% rdg. + ohms)
2400, 2401
2400, 2401
Source I ACC + Meas. VACC
Source I ACC + Meas. VACC
2.00000 W3 10µW
20.0000 W 100µW
100mA
0.10% +
0.003W
0.07% +
0.001W
200.000 W 1mW
10mA
0.08% +
0.03 W
0.05% +
0.01 W
2.00000kW 10mW
1mA
0.07% +
0.3 W
0.05% +
0.1 W
20.0000kW 100mW
100µA
0.06% +
3
W
0.04% +
1
200.000kW 1
W
10µA
0.07% + 30
W
0.05% + 10
W
W
2.00000MW6 10
1µA
0.11% + 300
W
0.05% + 100
W
W
20.0000MW7 100
1µA
kW
0.05% + 500
W
200.000MW3 >200.000 MW3
100nA
–
1kW
–
Source I ACC + Meas VACC
–
0.11% +
1
Source I ACC + Meas. VACC
0.66% + 10 kW
Source I ACC + Meas. VACC
TEMPERATURE COEFFICIENT (0°–18°C and 28°–50°C):
±(0.15 × accuracy specification)/°C.
Source I Mode, Manual Ohms: Total uncertainty = I source
accuracy + V measure accuracy (4-wire remote sense).
Source V Mode, Manual Ohms: Total uncertainty = V
source ­accuracy + I measure accuracy (4-wire remote sense).
6-wire ohms mode: Available using active ohms guard and
guard sense. Max. Guard Output Current: 50mA (except 1A
range). Accuracy is load dependent. Refer to White Paper no.
2033 for calculation f­ormula.
Guard Output Impedance: <0.1W in ohms mode.
NOTES
1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset
specifications, except 200mV, 1A, 10A ranges, add 0.05%. For 0.01 PLC,
add 0.05% of range to offset specifications, except 200mV, 1A, 10A
ranges, add 0.5%.
2. Accuracies apply to 2- or 4-wire mode when properly zeroed.
3. Manual ohms only – except 2420, 2425, 2430, 2440 for 2W range and
2410 or 2400 for 200MW range.
4. Source readback enabled, offset compensation ON. Also available on
2410, 2420, 2425, 2430, and 2440 with similar ­accuracy enhancement.
5. In pulse mode, limited to 0.1 PLC measurement.
6. Except 2440; default test current is 5µA.
7. Except 2440; default test current is 0.5µA.
W
0.35% + 5 kW
Source I ACC + Meas. VACC
System Speeds
Measurement1
MAXIMUM RANGE CHANGE RATE: 75/second.
MAXIMUM MEASURE AUTORANGE TIME: 40ms (fixed source).2
Series 2400 condensed
Side Text specifications
®
Sweep Operation3 Reading Rates (rdg./second) for 60Hz (50Hz):
Speed
Fast
IEEE-488.1 Mode
Fast
IEEE-488.2 Mode
Medium
IEEE-488.2 Mode
Normal
IEEE-488.2 Mode
NPLC/Trigger Origin
0.01 / internal
0.01 / external
0.01 / internal
0.01 / external
0.10 / internal
0.10 / external
1.00 / internal
1.00 / external
Measure
To Mem.
To GPIB
2081 (2030) 1754
1239 (1200) 1254
2081 (2030) 1198 (1210)
1239 (1200) 1079 (1050)
510 (433)
509 (433)
438 (380)
438 (380)
59
(49)
59 (49)
57
(48)
57 (48)
Source-Measure
To Mem.
To GPIB
1551 (1515)
1369
1018 (990)
1035
1551 (1515)
1000 (900)
1018 (990)
916 (835)
470 (405)
470 (410)
409 (360)
409 (365)
58 (48)
58 (48)
57 (48)
57 (47)
Source-Measure5
Pass/Fail Test4, 5
To Mem.
To GPIB
902 (900)
981
830 (830)
886
902 (900)
809 (840)
830 (830)
756 (780)
389 (343)
388 (343)
374 (333)
374 (333)
56 (47)
56 (47)
56 (47)
56 (47)
Source-Memory4
To Mem.
To GPIB
165 (162)
165
163 (160)
163
165 (162)
164 (162)
163 (160)
162 (160)
133 (126)
132 (126)
131 (125)
131 (125)
44 (38)
44 (38)
44 (38)
44 (38)
Single Reading Operation Reading Rates (rdg./second) for 60Hz (50Hz):
Speed
Fast (488.1)
Fast (488.2)
Medium (488.2)
Normal (488.2)
Measure
To GPIB
537
256 (256)
167 (166)
49
(42)
NPLC/Trigger Origin
0.01 / internal
0.01 / internal
0.10 / internal
1.00 / internal
Source-Measure5
To GPIB
140
79 (83)
72 (70)
34 (31)
Source-Measure Pass/Fail Test4,5
To GPIB
135
79 (83)
69 (70)
35 (30)
Speed
Fast
Medium
Normal
NPLC/Trigger Origin
0.01 / external
0.10 / external
1.00 / external
Measure To GPIB
1.04 ms (1.08 ms)
2.55 ms (2.9 ms)
17.53 ms (20.9 ms)
Source Pass/Fail Test
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
Source-Measure Pass/Fail Test5, 7
To GPIB
4.82 ms (5.3 ms)
6.27 ms (7.1 ms)
21.31 ms (25.0 ms)
NOTES
Reading rates applicable for voltage or current measurements. Auto zero off, autorange off, filter off, display off,
trigger delay = 0, and binary reading format.
2
Purely resistive lead. 1µA and 10µA ranges <65ms.
3
1000 point sweep was characterized with the source on a fixed range.
1
1.888.KEITHLEY (U.S. only)
w w w.keithley.com
4
5
6
7
A
Pass/Fail test performed using one high limit and one low math limit.
Includes time to re-program source to a new level before making m
­ easurement.
Time from falling edge of START OF TEST signal to falling edge of end of test signal.
Command processing time of :SOURce:VOLTage|CURRent:TRIGgered <nrf> command not included.
G R E A T E R
M E A S U R E
O F
C O N F I D E N C E
SOURCE AND MEASURE
Component for 60Hz (50Hz): 4, 6
Series 2400
Low Voltage SourceMeter Line
®
general
Noise Rejection:
Fast
Medium
Slow
Series 2400 condensed specifications
1
NPLC
0.01
0.1
1
NMRR
—
—
60 dB
CMRR
80 dB
80 dB
100 dB1
Except lowest 2 current ranges = 90dB.
Load Impedance: Stable into 20,000pF typical.
Common mode voltage: 250V DC (40V DC for Model 2440).
Common Mode Isolation: >109W, <1000pF.
OVERRANGE: 105% of range, source and measure.
Max. Voltage Drop Between Input/Output and sense terminals: 5V.
Max. Sense Lead Resistance: 1MW for rated accuracy.
SENSE INPUT IMPEDANCE: >1010W.
GUARD OFFSET VOLTAGE: <150µV, typical (300µV for Models 2430, 2440).
Source Output modes:
Fixed DC level
Memory List (mixed function)
Stair (linear and log)
Memory Buffer: 5,000 readings @ 5 digits (two 2,500 point buffers). Includes selected measured
value(s) and time stamp. Lithium battery ­backup (3 yr+ battery life).
SOURCE MEMORY LIST: 100 points max.
Programmability: IEEE-488 (SCPI-1995.0), RS-232, 5 user-definable power-up states plus
factory default and *RST.
Digital Interface: Interlock: Active low input. Note: DIO Post N/A.
Power Supply: 100V to 240V rms, 50–60Hz (automatically detected at power up).
Model 2400, 2401: 190VA.
COOLING: Convection.
EMC: Conforms to European Union Directive 89/336/EEC, EN 61326-1.
Safety: UL listed to UL 61010B-1:2003: Conforms to European Union Low Voltage
Directive.
Vibration: MIL-PRF-28800F Class 3 Random.
WARM-UP: 1 hour to rated accuracies.
DIMENSIONS: 89mm high × 213mm wide × 370mm deep (3½ in × 83⁄8 in × 149⁄16 in). Bench
Configuration (with handle and feet):104mm high × 238mm wide × 370mm deep (41⁄8 in ×
93⁄8 in × 149⁄16 in).
WEIGHT: 3.21kg (7.08 lbs) (Model 2425, 2430, 2440: 4.1kg, 9.0 lbs).
ENVIRONMENT: Operating: 0°–50°C, 70% R.H. up to 35°C. Derate 3% R.H./°C, 35°–50°C.
Storage: –25°C to 65°C.
Specifications are subject to change without notice.
All Keithley trademarks and trade names are the property of Keithley Instruments, Inc.
All other trademarks and trade names are the property of their respective companies.
A
SOURCE AND MEASURE
KEITHLEY INSTRUMENTS, INC.
■
G R E A T E R
28775 AURORA RD.
■
M E A S U R E
CLEVELAND, OH 44139-1891 ■
O F
C O N F I D E N C E
440-248-0400
■
Fax: 440-248-6168
■ 1-888-KEITHLEY
■
www.keithley.com
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© Copyright 2011 Keithley Instruments, Inc.
Printed in the U.S.A.
No. 3130
08.17.11
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