The Keithley 2611B is a high-performance, single-channel System SourceMeter (SMU) designed for high-throughput production testing and precision laboratory research. Combining a highly stable power source with a high-resolution digital multimeter, the 2611B offers 4-quadrant precision voltage and current sourcing and measurement up to 200 V and 10 A (pulsed). Supported by Keithley's Test Script Processor (TSP) technology, it allows for high-speed automated testing with minimized PC-communication overhead.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, LAN (LXI Class C), RS-232, USB 2.0, TSP-Link, Digital I/O |
| Display | Dual-line Vacuum Fluorescent Display (VFD) |
| Warm-up Time | 2 hours |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz, 240 VA max |
| Operating Temperature | 0 °C to 50 °C |
| Dimensions (W×H×D) | 213 mm × 89 mm × 460 mm |
Voltage Source Specifications
| Parameter | Value |
|---|---|
| Voltage Source Range | 200 mV to 200 V |
| Voltage Programming Resolution | 5 µV (on 200 mV range) |
| Voltage Source Programming Accuracy | 0.02% + 24 mV |
| Voltage Source Settling Time | <50 µs to 0.1% of step value |
| Voltage Limit/Compliance Range | 200 mV to 200 V |
Current Source Specifications
| Parameter | Value |
|---|---|
| Current Source Range | 100 nA to 1.5 A (10 A pulsed) |
| Current Programming Resolution | 2 pA (on 100 nA range) |
| Current Source Accuracy | 0.03% + 500 nA (on 1 mA range) |
| Current Limit/Compliance Range | 100 nA to 1.5 A |
Voltage Measurement Specifications
| Parameter | Value |
|---|---|
| Voltage Measure Range | 200 mV to 200 V |
| Voltage Measure Resolution | 100 nV (on 200 mV range) |
| Voltage Measure Accuracy | 0.015% + 10 mV |
| Voltage Measure Input Impedance | >10 GOhm (for V <= 2 V) |
Current Measurement Specifications
| Parameter | Value |
|---|---|
| Current Measure Range | 100 nA to 1.5 A (10 A pulsed) |
| Current Measure Resolution | 100 fA (on 100 nA range) |
| Current Measure Accuracy | 0.03% + 1.5 µA |
Pulsed Mode Characteristics
| Parameter | Value |
|---|---|
| Minimum Pulse Width | 150 µs |
| Maximum Pulsed Current | 10 A |
| Maximum Pulsed Power | 200 W |
Operating Ranges & Power Envelope
| Parameter | Value |
|---|---|
| Maximum Output Power | 30.3 W |
| Quadrant Operation | 4-quadrant source or sink |
| Guard Offset Voltage | <150 µV |
System Speed & Memory
| Parameter | Value |
|---|---|
| Reading Buffer Capacity | Up to 140,000 readings |
| Maximum Sweep Rate | Up to 20,000 readings/s (to internal memory) |
Connectivity & Interfaces
| Parameter | Value |
|---|---|
| Sensing Configuration | 2-wire local or 4-wire remote sense |
| TSP-Link Port | 2 ports, RJ-45 for system expansion with other 2600 series instruments |
| Safety Interlock Connector | 3-pin terminal block (requires interlock for V > 40V) |
| Output Connection Type | Phoenix-type screw terminal block |
Software & Programming
| Parameter | Value |
|---|---|
| Programming Languages | TSP (Test Script Processor), SCPI Emulation (Keithley 2400 emulation) |
| Embedded Scripting Support | TSP/Lua scripting with 16MB non-volatile flash memory |
Power & Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -25 °C to 65 °C |
| Operating Humidity Range | Up to 70% RH up to 35 °C (non-condensing) |
| Altitude Rating | Maximum 2000 meters above sea level |
| Cooling Mechanism | Forced air, variable speed internal fan |
Physical & Safety Specs
| Parameter | Value |
|---|---|
| Calibration Interval | 1 year |
| Safety Certifications | CE, UL, CSA |
| Overvoltage Protection | Configurable OVP limit up to 210V |
Operating Modes
| Parameter | Value |
|---|---|
| High Capacitance Mode Max Load Capacitance | 50 µF |
| Normal Mode Max Load Capacitance | 10 nF |
Isolation & Grounding
| Parameter | Value |
|---|---|
| LO to Chassis Max Voltage | 250 V |
Sensing
| Parameter | Value |
|---|---|
| Max Sense Lead Resistance | 100 Ω |
Measurement
| Parameter | Value |
|---|---|
| A/D Converter Integration Time | 0.001 NPLC to 25 NPLC |
Interfaces
| Parameter | Value |
|---|---|
| LXI Compliance | LXI Core 2011 (Version 1.4) |
Performance
| Parameter | Value |
|---|---|
| Temperature Coefficient | ±(0.15 × accuracy specification)/°C (0 °C to 18 °C & 28 °C to 50 °C) |
| Transient Response Time | < 110 µs to recover to within 0.1% of setup value for a 60% step change in load |
| Voltage Source Overshoot | < 0.1% typical |
| Current Source Overshoot | < 0.1% typical |
| Max Reading Rate to Memory | 20,000 readings/s |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Digital I/O Pull-up Voltage | 5 V nominal |
| Digital I/O Max Sink Current | 250 mA |
Source Specifications
| Parameter | Value |
|---|---|
| Voltage Source Load Regulation | 0.01% of range + 100 µV |
| Voltage Source Line Regulation | 0.01% of range |
| Current Source Load Regulation | 0.01% of range + 100 pA (on 100 nA to 1 A ranges) |
| Current Source Line Regulation | 0.01% of range |
Measurement Specifications
| Parameter | Value |
|---|---|
| Current Measure Voltage Burden | < 100 µV (on 100 nA to 1 A ranges), < 1 mV (on 1.5 A range), < 3 mV (on 10 A range) |
System Specifications
| Parameter | Value |
|---|---|
| TSP-Link Maximum Nodes | 32 instruments (up to 64 channels) |
Technology
Source Measure Unit (SMU)
Applications
Semiconductor characterization, precision IV testing, component production testing, and automated test systems
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