Keithley 2520, Service Manual, Page: 14 / 137

1-2 Performance Verification Model 2520 Pulsed Laser Diode Test System Service Manual
Introduction
Use the procedures in this section to verify that Model 2520 Pulsed Laser Diode Test
System accuracy is within the limits stated in the instrument’s one-year accuracy
specifications. You can perform these verification procedures:
• When you first receive the instrument to make sure that it was not damaged during
shipment.
• To verify that the unit meets factory specifications.
• To determine if calibration is required.
• Following calibration to make sure it was performed properly.