| C3 | Calibration Service 3 Years |
| C5 | Calibration Service 5 Years |
| R3 | Repair Service 3 Years (including warranty) |
| R3DW | Repair service coverage 3 years (includes product warranty period); 3 year period starts at time of customer instrument purchase |
| R5 | Repair Service 5 Years (including warranty) |
| R5DW | Repair service coverage 5 years (includes product warranty period); 5 year period starts at time of customer instrument purchase |