| Feature | CPT®
 | NS3000®
 |
| Selectively evaluate large & small myelinated and unmyelinated sensory fibers |  | |
| Detects hyperesthetic and hypoesthetic conditions | | |
| Unaffected by skin thickness or edema or normal variations in skin and ambient temperatures | | |
| Test any cutaneous site | | |
| Test mucosal sites | | |
| Automated double-blinded procedure | | |
| Patient controlled testing | | |
| Automated forced-choice sNCT/CPT evaluation mode | | |
| Ranged CPT (RCPT) evaluation mode: toe, ankle, finger & palm | | |
| Ranged CPT (RCPT) evaluation mode: all standardized sites including trigeminal n. & dermatomes C2-8 & L4-S1 | | |
| Laboratory testing mode: Programmable Computer Control | | |
| Pain Tolerance Threshold (PTT) evaluation mode | | |
| Percentile Allodynia evaluation mode (fingers & toes) | | |
| Manual testing mode | | |
| Remote patient response module | | |
| Evaluation recorder/printer | | |
| Neuval examination evaluation & database software | | |
| Rechargeable battery powered system | | |
