- User selectable 1000mA or 2000mA range
 - 0.05mA resolution (1,000mA range)
 - <15uA noise
 - USB interface
 
| Name | 4220-DR | 
|---|---|
| Description | 4220-DR LaserSource, 1A/2A | 
| Size | 1.82 (47) x 8.5 (215) x 11.13 (283) | 
| PD Setpoint Accuracy | 0.05% + 1 μA | 
| Current Range | 0 – 1000 (mA) / 0 – 2000 (mA) | 
| Voltage Measurement Accuracy | 0.05% + 0.005 V | 
| Voltage Temperature Coeff | < 100 ppm/°C | 
| PD Temperature Coeff | < 200 ppm/°C | 
| Voltage Range | 0 – 5 V | 
| Setpoint Accuracy | 0.025% + 0.3 (mA)/ 0.025% + 0.5 (mA) | 
| Temperature Coeff | 50 ppm/°C | 
| Measurement Accuracy | 0.025% + 0.3 (mA) / 0.025% + 0.5 (mA) | 
| QCW | No | 
| Noise/Ripple | < 12 μA rms / < 15 μA rms | 
| Current Resolution | 0.05 (mA) / 0.1 (mA) | 
| Stability | < 10 (ppm), 1 hour | 
| PD Measurement Accuracy | 0.05% + 1 μA | 
| Transients | < 200 μA | 
| PD Stability | < 200 ppm, 24 hours | 
| Compliance Voltage | 5 V | 
| PD Bias | 0 to -5V, software programmable | 
| Modulation Bandwidth | 150 kHz | 
| Voltage Setpoint Accuracy | 0.05% + 0.005 V | 
| Modulation Input Range | 0 – 10V, 10kΩ | 
| Voltage Stability | < 50 ppm, 1 hour | 
| PD Range | 5-5,000 μA | 
| Laser Connector | DB-9, female | 
| PD Resolution | 0.1 μA | 
| Voltage Resolution | 0.001 V | 
| I/O | USB 2.0 Full Speed (Type B) | 



