The Keithley 2604B is a dual-channel System SourceMeter (SMU) designed for high-throughput bench and production testing. Part of the Keithley Series 2600B family, it provides tightly integrated 4-quadrant precision voltage and current sourcing along with high-resolution measurement capabilities. The 2604B is optimized for applications that do not require digital I/O, TSP-Link, or contact check capabilities, offering a cost-effective, high-performance dual-channel SMU solution.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), LAN (LXI Class C), USB 2.0 (Device and Host) |
| Display | Dual-line vacuum fluorescent display (VFD) |
| Warm-up Time | 2 hours |
| Standard Warranty | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz/60 Hz, 240 VA max |
| Operating Temperature | 0 °C to 50 °C |
| Dimensions (W×H×D) | 213 mm × 89 mm × 435 mm |
| Weight | 5.5 kg |
System Configuration
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
Voltage Source Specifications
| Parameter | Value |
|---|---|
| Voltage Source Range | 100 mV to 40 V |
| Voltage Programming Resolution | 5 µV (on 100 mV range) |
| Voltage Limit/Compliance Range | 100 mV to 40 V |
Current Source Specifications
| Parameter | Value |
|---|---|
| Current Source Range | 100 nA to 3 A DC, 10 A pulsed |
| Current Programming Resolution | 2 pA (on 100 nA range) |
| Current Limit/Compliance Range | 100 nA to 3.03 A |
Voltage Measurement Specifications
| Parameter | Value |
|---|---|
| Voltage Measure Range | 100 mV to 40 V |
| Voltage Measure Resolution | 100 nV (on 100 mV range) |
| Voltage Measure Input Impedance | >10 GΩ |
Current Measurement Specifications
| Parameter | Value |
|---|---|
| Current Measure Range | 100 nA to 3 A DC, 10 A pulsed |
| Current Measure Resolution | 100 fA (on 100 nA range) |
Pulsed Mode Characteristics
| Parameter | Value |
|---|---|
| Minimum Pulse Width | 100 µs |
| Maximum Pulsed Current | 10 A |
Operating Ranges & Power Envelope
| Parameter | Value |
|---|---|
| Maximum Output Power | 40 W per channel (80 W total) |
| Quadrant Operation Limits | 4-quadrant source or sink |
| Maximum Common Mode Voltage | 250 V DC |
Connectivity
| Parameter | Value |
|---|---|
| Sensing Configuration | 2-wire local or 4-wire remote sense |
| Output Connection Type | Screw-terminal block connectors (rear panel) |
System Speed & Memory
| Parameter | Value |
|---|---|
| Maximum Sweep Rate | 20,000 readings per second (to memory) |
| Reading Buffer Capacity | >140,000 readings |
Software & Programming
| Parameter | Value |
|---|---|
| Programming Languages / Command Sets | TSP (Test Script Processor), SCPI (Keithley 2400 emulation) |
| Embedded Scripting Support | TSP (Test Script Processor) engine |
| Emulation Modes | Keithley 2400 emulation |
Power & Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -25 °C to 65 °C |
| Cooling Mechanism | Forced air, temperature-controlled fan |
| Altitude Rating | Maximum 2000 m above sea level |
Physical & Safety Specs
| Parameter | Value |
|---|---|
| Calibration Interval | 1 year |
Performance
| Parameter | Value |
|---|---|
| Transient Response Time | < 110 µs (typical, to recover to within 0.1% of limit after a 10% to 90% step change in load) |
| Maximum Measurement Speed | 20,000 readings/s (at 0.001 NPLC to internal memory) |
| Guard Offset Voltage | < 150 µV (typical) |
| Common Mode Impedance | > 10^9 Ω, < 4500 pF |
Compliance & Safety
| Parameter | Value |
|---|---|
| Safety Standards | UL 61010-1, CAN/CSA C22.2 No. 61010-1, EN 61010-1 |
| EMC Standards | Conforms to European Union EMC Directive, EN 61326-1 |
Technology
Source Measure Unit (SMU)
Applications
Precision DC sourcing and measurement, semiconductor characterization, production testing, LED testing
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