Return to the Extech 407736 Digital Sound Level Meter| Part Number | Alternate P/N | NIST Certification | Price | |
|---|---|---|---|---|
| 407736 | 407736 | Without NIST Calibration Certificate | $279.99 | |
| 407736-NIST | 407736NIST | With NIST Calibration Certificate (7 to 10 days lead time) | $404.99 |