The Keithley 220 is a programmable current source capable of sourcing currents from a 2 nA full range up to 100 mA. It features an adjustable voltage compliance of up to 105 V, an onboard memory supporting up to 100 storage points, and a standard IEEE-488 interface for remote automated testing and measurement.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | IEEE-488 |
| Display | LED |
| Warm-up Time | 1 hour to rated accuracy |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 216 × 127 × 359 |
| Weight | 3.2 kg |
Current Source Specifications
| Parameter | Value |
|---|---|
| Maximum Output Current | 100 mA |
Voltage Compliance
| Parameter | Value |
|---|---|
| Maximum Compliance Voltage | 105 V |
| Compliance Resolution | 1 V |
Control, Triggering & Memory
| Parameter | Value |
|---|---|
| Memory Locations | 100 |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Output Connector | Triaxial |
Performance
| Parameter | Value |
|---|---|
| Programmable Dwell Time | 3 ms to 999.9 s |
| Output Polarity | Bipolar (Positive and Negative) |
| Number of Current Ranges | 9 (decade ranges) |
| Current Range Scales | 1 nA to 100 mA full scale |
| Compliance Voltage Range | 1 V to 105 V |
| Output Resistance | > 10^14 Ω (on 1 nA to 10 µA ranges) |
Programming & Control
| Parameter | Value |
|---|---|
| Dwell Time Range | 3 ms to 999.9 s |
Connectivity
| Parameter | Value |
|---|---|
| IEEE-488 Standard | IEEE-488-1978 |
| Guarding | Active guard output via rear panel Triax |