| Vulcan Smart+ | Vulcan Optimum+ | Vulcan Expert+ |
| Grade identification and full chemistry | Grade identification and full chemistry | Grade identification and full chemistry |
| Stainless steels, low alloy steels, tool steels, Ni alloys | Cu, Ti | Stainless steels, low alloy steels, tool steels, Ni alloys |
| Co, Cu, Pb, Sn, Ti, Zn alloys | Al and Mg alloys, Li in Al alloys | Co, Cu, Pb, Sn, Ti, Zn alloys |
| Optional - Built-in camera | Optional - Built-in camera | Al and Mg alloys |
| Wi-Fi / ExTOPE Connect cloud service | Wi-Fi / ExTOPE Connect cloud service | Optional - Built-in camera |
| Pre-burn to clean the sample surface | Pre-burn to clean the sample surface | Wi-Fi / ExTOPE Connect cloud service |
| IP54 (NEMA 3 equivalent) dust and splash water protected | IP54 (NEMA 3 equivalent) dust and splash water protected | Pre-burn to clean the sample surface |
| MIL-STD-810G compliant | MIL-STD-810G compliant | IP54 (NEMA 3 equivalent) dust and splash water protected |
| Full day operation with one battery* | Full day operation with one battery* | MIL-STD-810G compliant |
| 1 Year Warranty (instrument) | 2 Year Warranty (instrument) | Full day operation with one battery* |
| AISI, DIN, GB and JIS grade libraries | AISI, DIN, GB and JIS grade libraries | 2 Year Warranty (instrument) |
| | | AISI, DIN, GB and JIS grade libraries |