Series 2400 SourceMeter SMU Instruments

Voltage Accuracy (Local or Remote Sense)

NOTES

1. 2400, 2401, 2410 Only: Specifications valid for continuous output currents below 105 mA. For operation above 105 mA continuous for >1 minute, derate accuracy 10%/35 mA above 105 mA.
2. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.5%.
3. Accuracies apply to 2- or 4-wire mode when properly zeroed.

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   Temperature Coefficient (0°–18°C and 28°–50°C):
   ±(0.15 × accuracy specification)/°C on 20 V and 1000 V ranges.
   ±(0.30 × accuracy specification)/°C on 200 mV and 2 V ranges..

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   Voltage Regulation — Line: 0.01% of range. Load: 0.01% of range + 100 µV.

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   Over Voltage Protection — User selectable values, 5% tolerance. Factory default = none.

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   Current Limit — Bipolar current limit (compliance) set with single value. Min. 0.1% of range.

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   Overshoot — <0.1% typical (full scale step, resistive load, 10 mA range).

Additional Source Specifications (All Models)

Transient Response Time — 30 µs 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: 10 ms. Autorange Off: 7 ms.

Output Settling Time — Time required to reach 0.1% of final value after command is processed. 100 µs typical. Resistive load. 10 µA to 100 mA range.

DC Floating Voltage — Output can be floated up to ±250 VDC (2440 ±40 VDC) from chassis ground.

Remote Sense — Up to 1 V 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 100 kΩ load, 10 Hz to 1 MHz BW, adjacent ranges: 100 mV typical, except 20 V/200 V (20 V/60 V on 2420), range boundary, and 2440.

Minimum Compliance Value — 0.1% of range.

Current Accuracy (Local or Remote Sense)

NOTES

1. 2400, 2401, 2410 Only: Specifications valid for continuous output currents below 105 mA. For operation above 105 mA continuous for >1 minute, derate accuracy 10%/35 mA above 105 mA.
2. Full operation (1 A) regardless of load to 30°C (50°C for 2420 and 2440). Above 30°C (50°C for 2420 and 2440) ambient, derate 35 mA/°C and prorate 35 mA/Ω load. 4-wire mode. For current sink operation on 1 A, 3 A, or 5 A 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, 1 µA to 100 mA range, accuracy is: 2400, 2401: ±(0.15% + offset*4). 2410, 2420, 2440: ±(0.5% + offset*3). For 1 A range, accuracy is: 2400, 2401: ±(1.5% + offset*8). 2410: ±(0.15% x accuracy specification)/°C on 20 V and 1000 V ranges ±(1.5% + offset*3). 2420, 2440: ±(1.5% + offset*3.
4. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.5%.
5. Accuracies apply to 2- or 4-wire mode when properly zeroed.
6. 2400 only.

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   Temperature Coefficient (0°–18°C and 28°–50°C) — ±(0.15 × accuracy specification)/°C.

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   Current Regulation — Line: 0.01% of range. Load: 0.01% of range (except 2440 5 A range 0.05%) + 100 pA.

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   Voltage Limit — Bipolar voltage limit (compliance) set with single value. Min. 0.1% of range.

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   Overshoot — <0.1% typical (1 mA step, RL = 10 kΩ, 20 V range for 2400, 2401, 2410, 2420), (10 V range for 2440).

Resistance Measurement Accuracy (Local or Remote Sense) ^{1, 2, 5}

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: 50 mA (except 1 A range). Accuracy is load dependent. Refer to White Paper below for calculation ­formula: “Obtaining More Accurate Resistance Measurements Using the 6-wire Ohms Measurement Technique.”

Guard Output Impedance — <0.1Ω in ohms mode.

NOTES

1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.5%.
2. Accuracies apply to 2- or 4-wire mode when properly zeroed.
3. Manual ohms only – except 2420, 2440 for 2 Ω range and 2400, 2401, or 2410 for 200 MΩ range.
4. Source readback enabled, offset compensation ON. Also available on 2410, 2420, and 2440 with similar ­accuracy enhancement.
5. Except 2440; default test current is 5 µA.
6. Except 2440; default test current is 0.5 µA.

System Speeds

Measurement ¹

Maximum Range Change Rate — 75/second.

Maximum Measure Autorange Time40 ms (fixed source).²

Sweep Operation³ Reading Rates (rdg./second) for 60 Hz (50 Hz)

Single Reading Operation Reading Rates (rdg./second) for 60 Hz (50 Hz)

Component for 60 Hz (50 Hz) ^{4, 6}

NOTES

1. 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. 1 µA and 10 µA ranges <65 ms.
3. 1000 point sweep was characterized with the source on a fixed range.
4. Pass/Fail test performed using one high limit and one low math limit.
5. Includes time to re-program source to a new level before making ­measurement.
6. Time from falling edge of START OF TEST signal to falling edge of end of test signal.
7. Command processing time of :SOURce:VOLTage|CURRent:TRIGgered <nrf> command not included.

General Specifications

Noise Rejection —

Load Impedance — Stable into 20,000 pF typical.

Common Mode Voltage — 250 V DC (40V DC for 2440).

Common Mode Isolation — >10⁹Ω, <1000pF.

Overrange — 105% of range, source and measure.

Max. Voltage Drop Between Input/Output and Sense Terminals — 5 V.

Max. Sense Lead Resistance — 1 MΩ for rated accuracy.

Sense Input Impedance — >10¹⁰Ω.

Guard Offset Voltage — <150 µV, typical (300 µV for 2440).

Source Output Modes — Fixed DC levelMemory 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

Output Enable — Active low input.

Handler Interface — Start of test, end of test, 3 category bits. +5 V @ 300 mA supply. Not available on 2401.

Digital I/O — 1 trigger input, 4 TTL/Relay Drive outputs (33 V @ 500 mA, diode clamped). Not available on 2401.

Power Supply — 100 V to 240 V rms, 50–60 Hz (automatically detected at power up). 2400, 2401: 190 VA. 2410: 210 VA. 2420: 220 VA. ²⁴40: 240VA.

Cooling — 2401: Convection. 2410, 2420, 2440: Forced air, variable speed.

EMC — Conforms to European Union Directive 89/336/EEC, EN 61326-1.

Safety — Conforms to European Union Low Voltage Directive. 2400 and 2401 UL listed to UL 61010-1:2012 and UL 61010-2-30:2012.

Vibration — MIL-PRF-28800F Class 3 Random.

Warm-Up — 1 hour to rated accuracies.

Dimensions — 89 mm high × 213 mm wide × 370 mm deep (3½ in × 8³⁄⁸ in × 14⁹⁄¹⁶ in). Bench Configuration (with handle and feet): 104 mm high × 238 mm wide × 370 mm deep (4¹⁄⁸ in × 9³⁄⁸ in × 14⁹⁄¹⁶ in).

Weight — 3.21 kg (7.08 lbs.) (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.

Supplied Accessories

Test Leads

LabVIEW Driver — Software Driver ­(downloadable)

LabTracer — Software ­(downloadable)

Available Accessories

Test Leads and Probes

1754 2-Wire Universal 10-Piece Test Lead Kit

5804 Kelvin (4-Wire) Universal 10-Piece Test Lead Kit

5805 Kelvin (4-Wire) Spring-Loaded Probes

5808 Low Cost Single-pin Kelvin Probe Set

5809 Low Cost Kelvin Clip Lead Set

8607 2-Wire, 1000 V Banana Cables, 1 m (3.3 ft)

CA-18-1 Shielded Dual Banana Cable, 1.2 m (4 ft)

Cables/Adapters

7007-1 Shielded GPIB Cable, 1 m (3.3 ft)

7007-2 Shielded GPIB Cable, 2 m (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

Triggering and Control

2499-DIGIO — Digital I/O Expander Assembly (not for 2401)

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

Available Services

2400-3Y-EW — 1-year factory warranty extended to 3 years from date of shipment

2401-3Y-EW — 1-year factory warranty extended to 3 years from date of shipment

2410-3Y-EW — 1-year factory warranty extended to 3 years from date of shipment

2420-3Y-EW — 1-year factory warranty extended to 3 years from date of shipment

2440-3Y-EW — 1-year factory warranty extended to 3 years from date of shipment

C/2400-3Y-ISO — 3 (ISO-17025 accredited) calibrations within 3 years of purchase for 2400, 2400-LV*

C/2401-3Y-ISO — 3 (ISO-17025 accredited) calibrations within 3 years of purchase for 2401*

C/2410-3Y-ISO — 3 (ISO-17025 accredited) calibrations within 3 years of purchase for 2410*

C/2420-3Y-ISO — 3 (ISO-17025 accredited) calibrations within 3 years of purchase for 2420*

C/2440-3Y-ISO — 3 (ISO-17025 accredited) calibrations within 3 years of purchase for 2440*

TRN-2400-1-C — Course: Unleashing the Power of Your SourceMeter SMU Instrument

*Not available in all countries

Ordering Information

2400 200V, 1A, 20W SourceMeter SMU Instrument

2401 20V, 1A, 20W SourceMeter SMU Instrument

2410 1100V, 1A, 20W SourceMeter SMU Instrument

2420 60V, 3A, 60W SourceMeter SMU Instrument

2440 40V, 5A, 50W SourceMeter SMU Instrument

Warranty Information

Warranty Summary — This section summarizes the warranties of the Series 2400. For complete warranty information, refer to the Series 2400 Reference Manual. Any portion of the product that is not manufactured by Keithley is not covered by this warranty and Keithley will have no duty to enforce any other manufacturer’s warranties. Hardware Warranty Keithley Instruments, Inc. warrants the Keithley manufactured portion of the hardware for a period of one year from defects in materials or workmanship; provided that such defect has not been caused by use of the Keithley hardware which is not in accordance with the hardware instructions. The warranty does not apply upon any modification of Keithley hardware made by the customer or operation of the hardware outside the environmental specifications.

Software Warranty — Keithley warrants that the Keithley produced portion of the software or firmware will conform in all material respects with the published specifications for a period of ninety (90) days; provided the software is used on the product for which it is intended in accordance with the software instructions. Keithley does not warrant that operation of the software will be uninterrupted or error-free, or that the software will be adequate for the customer’s intended application. The warranty does not apply upon any modification of the software made by the customer.