| 06 | bit serial asynchronous interface (RS-232-C) |
| 1613006 | 3YR CAL & REPAIR |
| 525A/LEADS | THERMOCOUPLE AND TEST LEADS |
| 5500/CAL-L | LICENSE FOR MET/BASE SOFTWARE |
| CASE | 5500A/CASE - TRANSIT CASE |
| Coil | 50 Turn Coil |
| MET/BASE-6 | METROLOGY SOFTWARE, REQUIRES MET/CAL-L |
| MET/BASE-7 | MET BASE 7 SOFTWARE |
| MET/CAL-L | CAL SOFTWARE USER LICENSE |
| PQ | Power Quality Option |
| PQ/6 | POWER QUALITY AND 600MHZ SCOPE CAL OPTS |
| RAC3YR | REPAIR & ACCR CAL 3YRS |
| SC1100 | 1100 MHz Oscilloscope Calibrator |
| SC2 | CALIBRATION SERVICE FOR 2 YEARS |
| SC300 | 300 MHz Oscilloscope Calibrator |
| SC600 | 600 MHz Oscilloscope Calibrator |
| Z540X2 | 2 YRS CALIBRATION |