| B1 | Spectrum analyzer module 9kHz - 3GHz |
| B2 | Transfer relay |
| B3 | Generator interlock relay |
| B7 | Option for IMS: Hardware extension for using two power sensors |
| B7 | Option for IMS: Hardware extension for using three power sensors |
| DCV-2 | Documentation of calibration vaules |
| DCV-ZP | Printout of DCV (additional, in combination with DCV-Option only) |
| DKD | IMS DKD(ISO17025) calibration incl. ISO 9000 calibration (order only with device) |