| 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 | • | • |
